MXPA99004602A - System and method for providing enhanced services for a telecommunication call - Google Patents

System and method for providing enhanced services for a telecommunication call

Info

Publication number
MXPA99004602A
MXPA99004602A MXPA/A/1999/004602A MX9904602A MXPA99004602A MX PA99004602 A MXPA99004602 A MX PA99004602A MX 9904602 A MX9904602 A MX 9904602A MX PA99004602 A MXPA99004602 A MX PA99004602A
Authority
MX
Mexico
Prior art keywords
signaling
message
service platform
communication
call
Prior art date
Application number
MXPA/A/1999/004602A
Other languages
Spanish (es)
Inventor
Lee Nelson Tracy
M Christie Fallecido Joseph
Original Assignee
Sprint Communications Co Lp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sprint Communications Co Lp filed Critical Sprint Communications Co Lp
Publication of MXPA99004602A publication Critical patent/MXPA99004602A/en

Links

Abstract

A system and method provide enhanced services for a call that is transported from a communication device (106) through an asynchronous transfer mode system. The call has user communications (124) in asynchronous transfer mode cells and call signaling (116). A signaling processor (110) receives the call signaling and processes the call signaling to determine a connection to a service platform (112). The signaling processor transports a processor control message (120) designating the selected connection. An asynchronous transfer mode interworking unit (114) receives the user communication from the communication device and the processor control message from the signaling processor. The asynchronous transfer mode interworking unit converts the user communications from the asynchronous transfer mode cells to a format compatible with the service platform and dynamically transports the user communications to the service platform in real time. The service platform processes the user communications.

Description

SYSTEM AND METHOD TO PROVIDE IMPROVED SERVICES FOR A TELECOMMUNICATION CALL Field of the Invention The present invention relates to the field of telecommunications transmission and processing.
Brief Compendium of the Invention The present invention comprises a system for providing services, for a call originating from a first communication device, in an asynchronous transfer mode format. The call has user communication and call signaling. The system comprises a service platform, adapted to receive user communication. The system further comprises a signal processor, adapted to receive call signaling from the first communication device and to process the call signaling to select a first connection for the service platform. The signaling processor carries a processor control message, which designates the first selected connection. The system also comprises a unit of REF .: 30114 interworking, adapted to receive the control message of the processor from the signaling processor and to receive communication with the user, from the first communication device. The interworking unit converts the user communication, from an asynchronous transfer mode format, into a format that can be used by the service platform and uses the processor control message, to transform the converted user communication, into the service platform. Also, the present invention is a system for providing services for calling from a first communication device, in a time division multiplexing format. The call has user communications and call signaling. The system comprises a service platform adapted to receive user communications, in an asynchronous transfer mode format. The service platform applies an interactive application to user communications to process user communications. The system further comprises a signal processor, adapted to receive call signaling from the first communication device and to process the call signaling to select a first connection for the service platform. The signaling processor carries a processor control message designating the first selected connection. The system further comprises an interworking unit, adapted to receive the processor control message from signaling processor and to receive user communications from the first communication device. The interworking unit inter-operates the user communications of a time-division multiplexing format, to cells formatted in an asynchronous transfer mode that identify the first connection selected for the service platform. In another aspect, the present invention is a method for connecting a call from a first communication device, through a system in asynchronous transfer mode. The call has user communications and call signaling. The method consists of receiving a call signaling in a signaling processor. The call signaling is processed to select a first selected connection of a plurality of connections for a service platform for user communications. A processor control message is transported from the signaling processor designating the first selected connection. The method further comprises receiving the user communications and the processor control message in an interworking unit. User communications are converted into the interworking unit, of an asynchronous transfer mode format, to a format that is compatible with the service platform, the response to the processor control message and transported, from the interworking unit on the first selected connection, to the service platform. User communications are received on the service platform and processing of user communications. In still another aspect, the present invention is a method for connecting a call from a first communication device, in a time division multiplexing format. The call has user communications and call signaling. The method consists in receiving a call signaling in a signaling processor and processing the call signaling to select a first selected connection of a plurality of connections, for a service platform for user communications. The processor control message is transported from the signaling processor designating the first selected connection. The user communications and the processor control message are received in the interworking unit. The method further comprises converting the user communications that are in the interworking unit, from a time division multiplex format to asynchronous transfer formatted cells that identify the first selected connection, for the service and transport platform. the converted user communications, from the interworking unit on the first selected connection, to the service platform. User communications are received on the service platform and processing of user communications. In still another aspect, the present invention is a system for connecting a call in a system in asynchronous transfer mode. The call has user communications and call signaling. The system comprises a first communication device adapted to carry the call, a service node adapted to process the user communications and a signaling processor adapted to receive the call signaling and to process the call signaling, to select a connection for the service node. The signaling processor carries a processor control message designating the selected connection. The system also comprises an interworking unit, located in the system in asynchronous transfer mode, adapted to receive the user communications from the first communication device, to receive the processor control message from the signaling processor, and to use the processor control message to route user communications to the service node, over the selected connection. In addition, the present invention is a method for connecting a call through a system in asynchronous transfer mode, to a service node. The call has user communications and call signaling. The method consists of transporting the call from the communication device, the user communications comprising cells in asynchronous transfer mode. The method includes receiving call signaling in a signaling processor and processing the call signaling to select a connection from a plurality of connections, for the service node. The processor control message is transported from the signaling processor, which designates the selected connection. The user communications and the processor control message are received in an interworking unit. The method further comprises converting user communications from cells in asynchronous transfer mode to a format that can be used by the service node and using the processor control message to route user communications to the service node, over the selected connection and process user communications in the service node. The present invention further comprises a method for connecting a call through a system in asynchronous transfer mode, to a service node. The method comprises selecting in a processor, a selected connection of a plurality of connections, for a service platform, for user communications. An interworking unit is notified of which of the plurality of connections was selected. User communications are received in the interworking unit. The user communications are converted into the interworking unit from an asynchronous transfer mode format to a format that is compatible with the service platform. The converted user communications are transported in real time from the interworking unit, over the selected connection, to the service platform.
Description of the Drawings Figure 1 is a block diagram of a service platform system, in accordance with the present invention. Figure 2 is a block diagram of a service platform system operating with a time division multiplexing device, in accordance with the present invention. Figure 3 is a block diagram of a service platform system with an extended asynchronous transfer mode system, in accordance with the present invention. Figure 4 is a message sequence diagram for a service platform, in accordance with the present invention. Figure 5 is a message sequence diagram for a plurality of service platforms. Figure 6 is a message sequence diagram for a service platform with a plurality of media processors, in accordance with the present invention. Figure 7 is a functional diagram of a plurality of service platforms interacting in an asynchronous transfer mode system.
Figure 8 is a block diagram of a plurality of service platforms that interact in an asynchronous transfer mode system. Figure 9 is a functional diagram of an asynchronous transfer mode interworking multiplexer for use in a synchronous optical network system, in accordance with the present invention. Figure 10 is a functional diagram of an asynchronous transfer mode interworking multiplexer for use in a digital hierarchy system, in accordance with the present invention. Figure 11 is a block diagram of a signaling processor, constructed in accordance with the present invention. Figure 12 is a block diagram of a data structure having tables that are used in the signaling processor of Figure 11. Figure 13 is a block diagram of additional tables that are used in the signaling processor of Figure 12 Figure 14 is a table diagram of a table of a circuit between exchanges, used in the processor of Figure 13.
Figure 15 is a table diagram of a central group table, used in the processor of Figure 13. Figure 16 is a table diagram of an exception circuit table, used in the processor of Figure 13. Figure 17 is a table diagram of an automated number index table, used in the processor of 'Figure 13. Figure 18 is a table diagram of a table of called numbers, used in the processor of Figure 13. Figure 19 is a table diagram of a routing table, used in the processor of Figure 13. Figure 20 is a table diagram of a treatment table, used in the processor of Figure 13. Figure 21 is a table diagram of a message table, used in the processor of Figure 13.
Detailed Description of the Preferred Modality A call is a request to telecommunications services. The telecommunication systems provide the services and process the telecommunication calls between the communication devices. Each call has call signaling and user communications. The user communications contain the caller information, such as voice communication or data communication and these are communicated through a connection. The call signaling contains the information that facilitates the processing of the call, and is communicated through a link. 'The call signaling contains information that, for example, describes the called number and the number of the caller. Examples of call signaling are standardized signaling, such as SS7, C7, the integrated services digital network (ISDN), and the digital private network signaling (DPNSS) system. A call can be transmitted from a communication device. A communication device can be, for example, the equipment in the customer's premises, a call processing platform, a switch, or any other device, capable of initiating, handling or concluding a call. The equipment in the client's facilities can be, for example, a telephone, a computer, a fax machine, or a private exchange connected to the public network. A call processing platform can be, for example, a service platform or any other enhanced platform that is capable of processing calls. User communications and call signaling can be transported by means of a communication device, through an in-band transmission, such as a superframe (SF), or an extended superframe (ESF), on a multiplexing carrier by time division (TDM), such as a digital signal level (DS) communication line. The zero level digital signal (DSO), the digital level one signal (DSl) and the digital level three signal (DS3), are common designations that carry over band communications. Other equivalent designations also carry in-band traffic. For example, European communication systems, such as European level one (El), European level two (E2), European level three (E3) and European level four (E4) are common designations that convey in-band communications. In addition, call signaling and user communications can be transported out of band in separate transport paths, separate transport channels, separate transport connections or separate transport means. These transports can be transported on means of a DS level or its European equivalent, as well as in electric or optical systems of higher speeds, such as the synchronous optical network (SONET) and synchronous digital hierarchy (SDH). For example, signaling system 7 (SS7) and its European equivalent, C7, carry out-of-band signaling traffic. Moreover, narrow band systems, such as a digital integrated services network (ISDN) and broadband systems, such as a broadband integrated services digital network (B-ISDN), including the digital network of integrated broadband services (B-ISDN) over an asynchronous transfer mode (ATM), carry call signaling and out-of-band user communications. Broadband systems provide a wider bandwidth than narrowband systems in calls, in addition to providing digital call processing, verification and correction of errors. The asynchronous transfer mode is a technology that has been used in conjunction with the synchronous optical network (SONET) and the synchronous digital hierarchy (SDH), to provide broadband call switching and call transport for telecommunications services. Asynchronous transfer mode is a protocol that describes the communication of user communications in cells in asynchronous transfer mode. Since the protocol uses cells, the cells can be transported on demand, by traffic for the service with connection, traffic for the service without connection, constant bit traffic, variable bit traffic including burst traffic and between the equipment that both requires timing, such as one that does not require timing. Asynchronous transfer mode systems handle calls over switched virtual paths (SVP) and switched virtual circuits (SVC). The virtual nature of the asynchronous transfer mode allows multiple communication devices to use a physical communication line at different times. This type of virtual connection uses the bandwidth more efficiently, and therefore provides a more efficient transport in terms of cost, in the calls of the clients, that permanent virtual circuits (PVC) or other dedicated circuits. The asynchronous transfer mode system is able to connect a caller from a point of origin, to a destination point, by selecting a connection from the point, from origin to destination point. The connection contains a virtual path (VP) and a virtual channel (VC). A virtual channel (VC) is a logical connection between two endpoints, for the transfer of cells in asynchronous transfer mode. A virtual path (VP) is a logical combination of virtual channels (VC). The system in asynchronous transfer mode designates the selected connection, by means of specifying a virtual path identifier (VPI) that identifies the selected virtual path (VP) and a virtual channel identifier (VCI) that identifies the virtual channel ( VC) selected, within the virtual path (VP) 'selected. Since connections in asynchronous transfer mode are unidirectional, bidirectional communications in an asynchronous transfer mode system, virtual path identifiers (VPIs) / companion virtual channel identifiers (VCIs) are usually required. The synchronous optical network (SONET) and the synchronous digital hierarchy (SDH) protocols describe the physical means and the protocols up to which, the communication of the cells in asynchronous transfer mode, instead. The synchronous optical network (SONET) includes optical transmission of optical carrier signals (OC) and electrical transmission of synchronous transport signals (STS). The synchronous optical network (SONET) signals transmit at a base rate of 51.84 Megabits per second (Mbps) on the optical carrier of level one (OC-1) and on the synchronous transport signal (STS-1). The multiples of these are also transmitted, such as level three synchronous transport signals (STS-3) and level three optical carrier signals (OC-3) at 155.52 Mbps rates, and level synchronous transport signals twelve (STS-12) and twelve-level optical carrier signals (OC-12) at rates of 622.08 Mbps, and fractions of these as a virtual tributary group at a rate of 6,912 Mbps. The synchronous digital hierarchy (SDH) includes the transmission of optical synchronous transport module signals (STM O) and electrical synchronous transport module signals (STM E). Synchronous digital hierarchy (SDH) signals transmit at a base rate of 155.52 Mbps in optical or electrical level one synchronous transport module signals (STM-1 E / O). Also multiples of these are transmitted, such as optical or electrical level four synchronous transport module signals.
(STM-4 E / O) at rates of 622.08 Mbps, and fractions thereof, such as a tributary unit group (TUG) at a rate of 6,912 Mbps. Telecommunications systems require call configuration information to initiate a connection between communication devices. The call configuration uses the information that is in the call signaling, to make the correct connection between the communication devices, in such a way that the user communications can be transported along the existing connection between the communication devices . The calls are made to a service provider. This service provider processes the call signaling and provides a selected service to process the call, based on the information that is in the call signaling. Many calls require only general processing and general services, such as basic call routing to a destination point from the point of origin, or other basic services. However, sometimes improved services are required for call processing. Such enhanced services are generally located at a service node within a service platform and can process user communications in response to control messages. These enhanced services often use digital signal processing, application programs, and database storage to perform the processing required by the enhanced services. These enhanced services often provide interactive call features that require a caller to interact with the telecommunication network equipment in order to achieve improved service. For example, a call may require processing of acknowledgment of voice reception, before allowing the caller to access an information database. It is possible that such a call requires improved services in which the caller interacts with a voice reception acknowledgment processor that is within the telecommunication network. It requires a system and a method to dynamically transfer calls through a system in asynchronous transfer mode, to a service platform. The system in asynchronous transfer mode contains the telecommunications communication devices, such as a communication device, a destination device, a switching equipment, which allows the call to be transported to its correct destination within the network in the mode of transmission. asynchronous transfer. Accordingly, there is a need for a system and method for connecting calls that pass through a system in asynchronous transfer mode, to devices such as platforms, which can provide the enhanced services. Moreover, this must be done on a call-by-call basis in real time.
Service Platform Systems The system of the present invention provides call transmission and real-time call switching within a system in asynchronous transfer mode within a telecommunications network. The system connects the calls that pass through the system in asynchronous transfer mode, to the service nodes that can provide enhanced services to process the calls. Moreover, it is possible to select specific interactive applications within a service platform, to process each call. Figure 1 illustrates the use of a service platform system in accordance with the present invention. A telecommunications system 102 has a service platform system 104 that interacts with a first communication device 106 and a second communication device 108. The service platform system 104 contains a signaling processor 110, a service platform 112 and an interworking unit 114. The service platform system-104 may receive one or more calls and routes calls to the appropriate device. The service platform system 104 processes the calls using interactive applications.
Links are used to carry call signaling and control messages. The term "link" as used herein means a means of transmission, used to carry call signaling and control messages, for example, a link may carry a call signaling or a device control message. which contains instructions and / or data for the device A link may 'carry, for example, out-of-band signaling such as call signaling SS7, C7, ISDN, B-ISDN, GR-303, local area network ( LAN), or data bus call signaling A link can be, for example, a data link AAL5, UDP / IP, Eithernet, or a DSO over TI.In addition, as shown in the figures, a link can represent a single physical link or multiple links, such as a link or a combination of several links of ISDN, SS7, TCP / IP, or some other data link.The term 'control message' as used here, means a signaling message or c control, a signaling or control instruction, a signaling or control signal - or signaling instructions whether proprietary or normalized, to carry information from one point to another. The connections are used to transport the user's communications and other device information, between the elements and devices of the telecommunications system 102. The term "connection" as used herein, means the transmission medium used to transport the user communications. , between the communication devices or between the elements of the telecommunications system 102. For example, a connection can carry the user's voice, computer data or other data of the communication device.A connection can be associated both with the communications from within band, as with out-of-band communications. A system of links and connections connects the elements of the telecommunications system 102. The signaling processor 110 connects the first communication device 106 through a link 116, to the platform service 112 through link 118, to the interfun unit 114 through the link 120 and the second communication device 108 through the link 122. The interworking unit 114 communicates the first communication device 106 through the connection 124, to the service platform 112 through the connection 126 and to the second communication device 108 through the connection 128. It should be appreciated that other links may be extended from the signaling processor 110 to other systems, networks or devices. In addition, other connections may be extended from the interworking unit 114, or from the first and second communication devices 106 and 108 to other systems, networks or devices. Each of the first and second communication devices 106 and 108 comprises the equipment at the client's premises, a call processing platform, a switch, or any other device capable of initiating, handling or terminating a call, including a telephone , a computer, a fax machine, a private exchange connected to the public network, a service platform, or an improved platform capable of processing calls. It should be appreciated that other communication devices may be included. However, the number of communication devices has been restricted, for purposes of clarity. Signaling processor 110 of service platform system 104 accepts call signaling or control messages from, and transmits call signaling or control messages to, all different elements and devices. Signaling processor 110 therefore controls call routing and call processing on service platform 112. A mode of signaling processor 110, is discussed below, in more detail. The service platform 112 provides the enhanced services for the user communications received through the interworking unit 114. The service platform 112 may have one or more applications, to provide multiple services. Such services may include voice mail, fax messaging, mailboxes, acknowledgment of voice reception, multiparty conferences, calling cards, routing by menus, three-digit services (N00) such as toll-free services (800 ) or call for a fee (900 in the United States of America), prepaid cards, tone detection and call transfers. The service platform 112 receives the control messages from the signaling processor 110. The control messages instruct the service platform 112 in which application to use in the service platform, to process the user communications. The service platform 112 processes the user communications and returns the result of the processed data to the signaling processor 110. In addition, the service platform 112 returns the processed user communications to the interworking unit 114 to be transported back to the first and second communication devices 106 and 108. The interworking unit 114 interworks the connections on a call-by-call basis. The interworking unit 114 may be an interworking multiplexer in asynchronous transfer mode which interworking between the asynchronous transfer mode format and other formats, in order to provide the multiplexing and demultiplexing functions, or it may be an interworking unit. in asynchronous transfer mode that interwork between different types of systems in asynchronous transfer mode and provide the domain assignment. In addition, the interworking unit 114 may be a unit with only domain allocation capability, an asynchronous transfer mode multiplexer which provides the multiplexing and demultiplexing functions for the cells in asynchronous transfer mode, or other types of network units. interworking The interworking unit 114 accepts the preceding user communications from, and transports the user communications to, the first communication device 106, the second communication device 108 and the service platform 112. Preferably the interworking unit 114, will be a interworking multiplexer in asynchronous transfer mode, which interworking between the first communication device 106 that communicates user communications in a time-division multiplexing format over a digital zero-level signal (DSO), the service platform 112 which communicates user communications in a time-division multiplexing format over a zero-level digital signal (DSO), and the second communication device 108 that communicates user communications in an asynchronous transfer mode format, over a conduit Synchronous Optical Network (SONET) or a hierarchical conduit synchronous digital (SDH). However, it should be appreciated that the first and second communication devices 106 and 108 can be devices, both in asynchronous transfer mode format, and in time division multiplex format, and the interworking can be performed between any of the formats . A type of interworking unit that is compatible with the present invention is discussed more fully below. The interworking unit 114 accepts the control messages from, and sends the control messages to, the signaling processor 110. The interworking unit 114 uses the information gained from the control message of the signaling processor, to identify the required interworking assignment, such that the user communications are converted between the formats that are compatible with the first communication device 106, the second communication device 108 and the service platform 112. A selected connection is designated by means of a virtual path identifier (VPI) / virtual channel identifier (VCI) selected, for 'transmissions formatted in asynchronous transfer mode, or a zero-level digital signal (DSO) selected for transmissions in time division multiplexing format. The interworking unit 114 dynamically interoperates accordingly with the selected VPI / VCI identifiers for the selected DSOs, and dynamically interoperates the selected zero level digital signals (DSO) for the selected VPI / VCI identifiers. Since zero-level digital signal communications (DSO) are bidirectional and communications in asynchronous transfer mode are typically unidirectional, companion VPI / VCI identifiers may be required to perform interworking between a digital zero-level signal (DSO) and an asynchronous transfer mode. In addition, the interworking unit 114 has a time division multiplexing interworking function, which allows the interworking unit to transport the user communications, between the service platform 112 and the first and second communication devices 106 and 108, without having to convert to user communications, to another format. This may occur, for example, when the user communications that are transferred from the first and second communication devices 106 and 108 are in the same format as the format that is being used by the service platform 112. Referring to the Figure 1, the system operates as follows. In the preferred enhanced service processing system, a call is received on the service platform 112, from a communication device, such as the second communication device 108. The call signaling is transported from the second communication device 108 to the signaling processor 110. The user communications are transported in the cells in asynchronous transfer mode from the second communication device 108, to the interworking unit 114. The signaling processor 110 processes the call signaling. The service platform 112 reads the call characteristics, such as routing label, including the origin point code (OPC), the destination point code (DPC), the circuit identification code (CIC) or the selection Signaling link (SLS). Based on the processing of the call characteristics found in the call signaling, the signaling processor 110 determines what action should be taken, what service is the call requiring, and when there is a plurality of service platforms, which platform of service and which application within the service platform can provide the service. The signaling processor 110 sends a processor control message to the selected service platform 112, designating the correct application to process the user communications. In addition, based on the call signaling processing, the signaling processor 110 selects a connection 126 from the interworking unit 114, to the service platform 112 for user communications. The signaling processor 110 sends a processor control message to the interworking unit 114, designating the selected connection. The interworking unit 114 receives both the user communications from the second communication device 108, and the processor control message from the signaling processor 110. The interworking unit 114 converts the ATM cells containing the user communications , to a form that is compatible with service platform 112. Generally, ATM cells are converted to a time division multiplexing format. The interworking unit 114 then uses the information gained from the processor control message, for routing user communications to the service platform 112, over the selected connection 126. The selected connection 126 is generally a digital zero-level signal (DSO) selected. The service platform 112 receives both the user communications from the interworking unit 114, and the processor control message from the signaling processor 110. The service platform 112 uses the information found in the control message processor, to process user communications, using the selected interactive application. When the application has finished, the service platform 112 transmits the processing results to the signaling processor 110, and the user communications processed to the interworking unit 114, so that they are transported back to the second communication device 108 or to another signaling processor or device (not shown). The results of the processing contain the control messages and the data that allow the signaling processor 110 to route the processed user communications back to another service platform, to the second communication device 108 or to the first communication device 106. If the user communications are transported to the second communication device, the user communications must be interfunctioned to the ATM cells that identify the VPI / VCI identifiers of the selected connection 128. However, the user communications do are transported to the first communication device 106, the user communications do not need to be converted to ATM cells. In the present example, the user communications are transported to the first communication device 106. The processing results and the processed user communications are transported to the signaling processor 110 and the first communication device 106, respectively, either during the call or at the end of the call. In addition to transferring the processing results, the service platform 112 also transmits a complete service signal to the signaling processor 110. Signaling processor 110 receives the complete service signal and processing results, and processes them to determine, if the processed user communications should be transferred to a different device. If further processing is required, the signaling processor 110 selects a connection and transmits a message to the interworking unit 114, thereby designating the new selected connection to either the second communication device 108 or a new selected device ( not shown). If the selected device is a device in asynchronous transfer mode (ATM), the interworking unit 114 converts the processed user communications it received from the service platform 112 to ATM cells that identify the selected connection. ATM cells can, for example, identify the VPI / VCI identifiers of the connection, for the selected device. The interworking unit 114 then transmits the ATM cells over the connection to the selected device. The conversion of user communications to ATM cells and the transmission of ATM cells over the connection occurs dynamically in real time. It will be appreciated that the call can be handled, initiated or terminated by any of the communication devices 106 or 108. For example, the user communications can be transported by the first communication device 106 and then received by the second communication device. communication 108. Alternatively, user communications can be transported by one of communication devices 106 or 108, processed by the service platform 112 and transported back to the same communication device 106 or 108. Also, it will be appreciated that, in spite of the above described operation of the system of the first communication device 106 was a device multiplexing by time division, the service platform 112 was a time division multiplexing device, and the second communication device 108 was an asynchronous transfer mode device, the first and second communication devices 106 and 108 and service platform 112, can receive, transport and manage user communications, in any required format. Thus, user communications can be processed in a system, wherein the first communication device 106 is a device in asynchronous transfer mode, the service platform 112 is a device either a time division multiplexing device and the second communication device 108 is a time division multiplexing device, or in a system wherein, the first communication device 106 is a device in asynchronous transfer mode, the service platform 112 is a time division multiplexing device and the second communication device 108 is a device in asynchronous transfer mode. In addition, user communications can be processed in a system where the first communication device 106 is a device in asynchronous transfer mode, the service platform 112 is a device in asynchronous transfer mode and the second communication device is 108 either a device in asynchronous transfer mode, or in a system wherein, the first communication device 106 is a time division multiplexing device, the service platform 112 is a device in asynchronous transfer mode and the second device is 108 communication is a device in asynchronous transfer mode. In each of these instances, the signaling processor 110, the service platform 112 and the interworking unit 114 operate similarly to the operation described above. As will be appreciated by any person skilled in the art, interworking for user communications will be determined, according to the format of the devices. Figure 2 illustrates a telecommunications system 102 in which an ATM 230 interconnect is used to route calls. The one ATM 230 interconnection has a connection 232 to the second communication device 108 and a connection to the interworking unit 114. The one ATM interconnect 230 receives the ATM cells from the interworking unit 114 on a connection 234 and directs the cells ATM to the second communication device 108, on the connection 232 that is between them. Alternatively, an ATM 230 interconnect can route calls to another system in asynchronous transfer mode (ATM), over a connection 236. As illustrated in the telecommunications system 102 of Figure 3, a service platform system 104A, It can contain many elements. A first communication device 106 and a second communication device 108 interact with the service platform system 104A. The service platform system 104A contains a signaling processor 110 and a service platform 112A. In addition, the service platform system 104A contains a service control point 336, a service database 338 and an interworking multiplexer (mux) 340. The service platform 112A contains a central computer 342, a first processor of media 344 and a second media processor 346. However, a service platform may have more or fewer processors, in addition to other devices. The signaling and control messages are transported between the devices of the telecommunications system 102, in links. The signaling processor 110 communicates with the signaling processor 110 via a link 116, with the second communication device 108 through a link 122, with the service control point 336 through a link 348, with the service database 338 through a link 350, with the interworking multiplexer 340 through a link 352 and with the central computer 342 through a link 354. Preferably, the links 116, 122, 348, 350 , 352 and 354 are local area network (LAN), SS7 or SS7 over ATM links. The central computer 342 communicates with the first media processor 344 through a link 356, with the second media processor 346 through a link 358 and with the service database 338 through a link 360. Preferably , the links 356, 358 and 360 are, either, a local area network (LAN) or a data bus. The user communications are transported between the devices of the telecommunications system 102, in connections. The interworking multiplexer 340 communicates with the first communication device 106 via a connection 362, with the second communication device 108 through a connection 364, with the first media processor 344 through a connection 366 and with the second media processor 346 through a connection 368. The service platform system 104A may receive one or more calls and thus route calls to the appropriate device. Signaling processor 110 accepts control messages from, and transmits control messages to, other elements and equipment. Signaling processor 110 therefore controls call routing and call processing in the telecommunications system. The service control point (SCP) 336 contains information about the telecommunications system 102 and how to route the calls through the telecommunications network. The service control point 336 is queried by means of signaling processor 110, to determine how to route calls with advanced routing features, such as N00 or routing by menus. The signaling processor 110 may pass the information it obtains from the service control point 336, to the central computer 342 in the processor control message. The service database 338 is a logically centralized data storage device from which the signaling processor 110 or the central computer 342 data of a communication device or other device data. The service database 338 has two aspects of user and device profiles. First, the service database 338 has the data of the service subscription and the processing options, which denote the services to which a particular call or a particular communication device has access. The service data includes such information, such as voice messages, fax messages and e-mail. The interworking multiplexer 340 inter-operates between the ATM cells and other call formats, at the same time providing the multiplexing and demultiplexing functions. The interworking multiplexer 340 accepts user communications from the second communication device 108 and from the first communication device 106. The interworking multiplexer 340 accepts a processor control message containing the signaling and control information from the processor signaling 110. The processor control message from the signaling processor 110 designates a selected connection from the interworking multiplexer 340, for, and is, the first media processor 344 or the second media processor 346. In addition, the processor control message designates a selected connection, from the interworking multiplexer 340 to either of two, first communication device 106 or the second communication device 108. A selected connection is designated by means of a selected VPI / VCI identifier or a digital zero-level signal (DSO) selected . The interworking multiplexer 340 routes the user communications by means of the selected connection. The user communications are communicated back and forth between the interworking multiplexer 340, to be transported to another device or to either the first media processor 344 or the second media processor 346, or to both processors. The interworking multiplexer 340 uses the information obtained from the control message of 1 . ** signal processor processor, for converting user communications received from the second communication device 108, for example, between the ATM cells and a format that is compatible with the media processors 344 and 346. The media processors 344 and 346 they contain the applications that process user communications. The media processors 344 and 346 perform said processing, such as detection and collection of tones. The media processors 344 and 346 collect any information from the user communications that are required to terminate an application or manipulate user communications. The media processors 344 and 346 run the applications that process voice and tones. The media processors 344 and 346 report the results * of processing the processed data to the central computer 342 or to the signaling processor 110 in a media data signal. In certain cases, serial data from user communications and processed user communications are transferred to central computer 342 for further processing. In one embodiment, the system operates as follows, wherein a call is initiated from the second communication device 108 and the user communications return to the second communication device.
The central computer 342 is the handler of the service node that controls the devices in the service node or service platform 112A. The central computer 342 receives a processor control message from the signaling processor 110. The processor control message instructs the central computer 342, in which application it is to be used in the media processors 344 and 346, to process the communications of user. The central computer 342 controls the processing of user communications-in the media processors 344 and 346, and returns the results of the processed data to the signaling processor 110 in a data signal of the central computer. The central computer 342 instructs the media processors 344 and 346 to return the processed user communications to the interworking multiplexer 340, so that they are transported back to the second communication device 108. The central computer 342 can also send a control message to the signaling processor 110, with control messages, such as the service completed message. It will be appreciated, that other calls can be made to and from other devices. In another embodiment, the system operates as follows, wherein the first communication device 106 makes a call that will be processed and returned to the first communication device. The call signaling is transported to the signaling processor 110, such that the signaling processor 110 can route the call to the appropriate device. The user communications are transported to the interworking multiplexer 340, so that they are transported to an appropriate service, such as the "media" processors 344 and 346. After the user communications are processed, they are transported from the processors. means 344 and 346 through the interworking multiplexer 340 and back to the first communication device 106. The first communication device 106 can transmit the call in a variety of formats, including SF, ESF, ISDN, B- ISDN and GR-303, and on a variety of transmission media, including TDM, SONET and SDH Referring to Figure 3, operation of system 104A is as follows: In the system, signaling processor 110 controls the central computer 342 and media processors 344 and 346 that process user communications that pass through an ATM system. Echoes the connections as and as needed, to connect the devices in the telecommunications system 102.
A call received in the service platform system 104A from the second communication device 108. The call signaling is transported from the second communication device 108, to the signaling processor 110. The user's communications are transported in ATM cells from the second communication device 108, to the interworking multiplexer 340. The signaling processor 110 processes the call signaling. Signaling processor 110 processes the characteristics of the call that are within the call signaling. Based on the processing of call characteristics, the signaling processor 110 determines which service the call requires and which central computer and media processor, and which application in the media processor, can provide the service. However, sometimes call features are not sufficient to determine the specific communication device that is making a request for a service or to determine the specific required service desired. This can happen, for example, when a device dials a "800" number, to have access to a calling card service. In such a situation, an application of the service may require a personal identification code before access to the service is provided. The signaling processor 110 may then invoke the applications in the signaling processor 110 or in the media processor 344, which may interact with the call to determine the identity of the device or the desired service. In addition, the signaling processor 110 may consult the service control point 336 or the service database 338. This may allow signaling processor 110 to obtain service options, service data and routing information from the service provider. call, to determine the required combination of the elements that provide the signal processing, the database and the connection, to provide a service. The call signaling is processed and the signaling processor 110 determines the resource needed to process the service request. The signaling processor 110 then sends a processor control message to the selected central computer 342, designating the application that will be used to process the user communications. In addition, based on the processed call signaling, the signaling processor 110 selects a connection from the interworking multiplexer 340 to the media processor 344, selected to process the user communications. The signaling processor 110 sends a processor control message to the 340, designating the selected connection 336 and instructing the interworking multiplexer 340, to dynamically connect the call in real time, to a service platform 112A and to convert the user communications within the interworking multiplexer 340, of ATM cells, to a format that is compatible with the selected media processor 344. The interworking multiplexer 340 receives both the user communications from the second communication device 108, and the control message from the processor from the signaling processor 110. The interworking multiplexer 340 converts the ATM cells containing the communications of the user, to a form that is compatible with the selected media processor 344. Generally, ATM cells are converted to a time division multiplex (TDM) format. The interworking multiplexer 340 then uses the information obtained from the processor control message to route the user communications to the selected media processor 344 over the selected connection 366. The user communications are received in the selected media processor 344. In addition, the central computer 342 transmits a central control message instructing the media processor 344 in which application to use and provide other control messages to control the processing of the user communications., the first media processor 344, processes the user communications in accordance with the control messages from the central computer 342. The first media processor 344 then reports the processing results to the central computer 342, in a signal from In addition, the first media processor 344 transmits the processed user communications to the interworking multiplexer 340. The central computer 342 can further service the processing results. The central computer 342 transfers the processing results; with or without an additional service, to the signaling processor 110, within a central control message. The central control message may require that the central computer 342 and its associated first media processor 344 be released because the processing is finished, or may require another service or another media processor. When the signaling processor 110 receives the central control message, it can instruct the interworking multiplexer 340 to transfer the processed user communications to the second communication device 108 or the first communication device 106. In addition, the processor signaling 110 can instruct the interworking multiplexer 340 to transfer the processed user communications to another service platform or other media processor that is on the "same service platform 112 A. If the processing is terminated, the interworking multiplexer 340 will be instructed by the signaling processor 110 to release the connection to the first media processor 344, at which point the connection will be released Figure 4 illustrates message transmissions for the processing of user communications and messages of control that takes place among the many telecommunications network devices to process a call. The message sequences illustrate the method for connecting a call through an ATM system, to a service platform. With reference to Figures 3 and 4, a second communication device 108 transmits a call, including call signaling and user communications. The call signaling is received in the signaling processor 110, and the user communications are transported to an interworking multiplexer 340 until a connection is taken by the second communication device 108. The signaling processor 110 processes the call signaling. to determine which application and which service platform is required to process user communications. Signaling processor '110 selects a connection for a selected service platform 112A. Signaling processor 110 transmits a processor control message to service platform 112A, making a service request for user communications. The service request designates the application that will process the user communications and designates a connection between the service platform 112A and the interworking multiplexer 340, at which point the user communications will be transported. Additionally, the signaling processor 110 transmits a processor control message to the interworking multiplexer 340, thereby designating the selected connection assignment for the selected service platform 112A. When the service platform 112A is connected to the interworking multiplexer 340 by means of a digital signal level (DS) transmission line, the connection assignment is a time division multiplexing port number, such as a port designation. digital level zero signal (DSO) or an EO port designation. The interworking multiplexer 340 connects to the service platform 112A over the selected connection. When the service platform 112A is a TDM system and the second communication device 108 is an ATM system and is transmitting the user communications in ATM cells, the interworking multiplexer 340 inter-works with the VPI / VCI identifiers of the connection. , from which the ATM cells are being received in the digital level zero signal (DSO) or in the EO of the connection, to the service platform 112 A. However, when the processed user communications are being processed from the platform of service 112A, to the interworking multiplexer 340, the interworking multiplexer 340 interworks with the digital zero-level signal (DSO) and the E0 of the connection, from which the user communications are being received from the service platform 112A to the identifiers VPI / VCI of the selected connection, to the second communication device 108 or other communication device 108 selected. The VPI / VCI identifier of the selected connection, returned at 108, or to another selected communication device, is designated in a processor control message. The second communication device 108 and the service platform 112A can therefore, by transmitting the user communications from one to the other, through the interworking multiplexer 340 over the selected connection. The interworking multiplexer 340 interoperates the transmission of user communications, between the format of the second communication device 108 and a format that is compatible with the service platform 112A. In a preferred method, user communications are converted from ATM cells from the second communication device 108,. to a TDM format that is transported over a DSO or E0, to service platform 112A. In the opposite direction, the user communications received from the service platform 112A over a DSO or E0, in the time division multiplex format, are converted to ATM cells, which identify the VPI / VCI identifiers to connect to the second communication device 108 or another selected device. The selected connection designations, both for the second communication device 108 and for the service platform 112A, are received in the interworking multiplexer 340, from the signaling processor 110. When the processing of the user communications has been completed by the service platform 112A, transmits to the signaling processor 110, a control message having a finished service message. Until it is received. the control message, the signaling processor 110 sends a processor control message to the interworking multiplexer 340, making a request that the connection be terminated, and the second communication device 108 making a request that the connection be released . In response to the processor control message, the connections are disconnected. With reference to Figures 3 and 5, after a connection has been made and the user communications have been processed in a first media processor, signaling processor 110 may terminate that additional processing is required and selects in the second processor of means 346, to further process user communications. The signaling processor 110 could transmit a second processor control message to the interworking multiplexer 340, which designates a second selected connection 368, for the second media processor 346. In response to the second processor control message, the multiplexer of interworking 340 dissociates the connection to the first media processor 344 and forces the second selected connection to the second media processor second media processor 346. Next, the interworking multiplexer 340 transmits the "user communications to the second media processor". In addition, the signaling processor transmits another processor control message to the central computer 342 thus designating an application selected in the second media processor 346 for processing the user communications. control message processor, the central computer 342 transmits a central control message to the second media processor 346, to control the processing of user communications and report the results of processing. Figure 5 illustrates the message transmissions that take place, among the many devices of the telecommunications system 102, to further process the user communications in a second media processor 346. The message sequences illustrate the method for connecting a call through of an ATM system, from a first media processor 344 to a second media processor 346, after a connection has been made to the first media processor. Both media processors 344 and 346 are controlled by a single central computer 342. After the first connection is made by the 'interworking multiplexer 340 and the connection occurs between the second communication device 108 and the first media processor 344 on the service platform 112A (see Figure 3), the central computer 342 can be a request for additional user communications to be terminated in second media processor 346. Host computer 342 then transmits to the signaling processor 110, a central control message containing a finished service message. Alternatively, the signaling processor 110 may initiate processing in the second media processor 346. Until reception of the central control message, the signaling processor 110 selects a connection reassignment for the second media processor 346 and transmits to the multiplexer. of interworking 340, a processor control message designating the second selected connection. In a TDM system, the designation of the second connection selected for the second media processor 346 is a TDM port designation such as a DSO or an EO. Until the reception of the processor control message, the interworking multiplexer 340 dissociates the connection for the first media processor 344, and the user communications interwork with the selected connection for the second media processor 346. The second communication device 108 and the second media processor 346 interact as described above. When the processing of the user communications has been completed by the second media processor 346, the central computer 342 transmits to the signaling processor 110, a central control message having a finished service message. Upon receipt of the central control message, the signaling processor 110 sends a processor control message to the interworking multiplexer 340 making a request that the connection be terminated, and to the second communication device 108 making a request so that the connection is released. In response to the processor control message, connections are disconnected.
Figure 6 illustrates the message transmissions that take place between the many devices of the telecommunications system, to further process the user communications on a second service platform 602 after the user communications have been previously processed by the service platform 112A (see Figure 3). The message sequences illustrate the method for connecting a call through an ATM system from a first service platform 112A to a second service platform 602, after a connection to the first service platform has been terminated. After the initial connection has been made by means of the interworking multiplexer 340 and the interaction occurs between the second communication device 108 and the first service platform 112A, the first service platform 112A may require a request that an further processing of user communications on the second service platform 602. The first service platform could transmit to the signaling processor 110, a control message having a finished service message. Alternatively, signaling processor 110 may initiate processing on the second service platform 602.
Upon receipt of the control message, the signaling processor 110 selects a connection reassignment for the second service platform 602 and transmits a processor control message to the interworking multiplexer 340 thus designating the reassignment of the selected connection. In a TDM system, the designation of the connection selected for the second service platform 602 is a TDM connection designation, such as a designation of DSO or E0. Until the reception of the processor control message, the interworking multiplexer 340 dissociates the connection for the first service platform 112A and interferes with the user communications, towards the connection selected for the second service platform 602. The second communication device 108 and the second service platform 602 can interact as well, as described above. When the processing of the user communications is completed, by means of the second service platform 602, the second service platform transmits to the signaling processor 110, a control message having a finished service message. Until receipt of the control message, the signaling processor 110 sends a processor control message to the interworking multiplexer 340, making a request for the connection to be terminated, and to the second communication device 108, making a request for that the connection be released. In response to the respective processor control messages, the connections are disconnected. Figure 7 illustrates the interaction that can take place, between service platforms and communication devices, when multiple service platforms are required for call processing, or when call processing is required by a communication device that does not have local access to the service platform. For example, a local communication device 702 is connected to a local service platform system 704, which contains local signaling processor 706, a local service platform 708 and a local ATM interworking multiplexer 710. The communication device local 702 transmits a call to the local service platform system 704, to process the call by means of an inexpensive application or by means of an application that is frequently used. The call signaling is transported to the local signaling processor 706, and the user communications are transported to the local ATM interworking multiplexer 710. The local signaling processor 706 selects a connection for the local service platform 708 from the multiplexer of local ATM interworking 710 and transmits a processor control message to the local ATM interworking multiplexer 710 that designates the selected connection. In addition, the service platform transmits a processor control message to the local service platform 708, designating the application that will be used to process user communications. The local ATM interworking multiplexer 710 transmits the user communications to the local service platform 708, over a selected connection and the local service platform 708 processes the user communications. Alternatively, the local communication device 702 can transmit a designated call to a main service platform system 712. The main service platform system 712 contains expensive applications or applications that are not frequently used, which are shared by a plurality of devices. of communication and other devices within the telecommunications network. The main service platform system contains a main signaling processor 714, a main service platform 716 and a main ATM interworking multiplexer 718. The local communication device 702 can access the main service platform system 712 by means of transporting the call signaling to the local signaling processor 706. The local signaling processor 706 carries the call signaling to the signaling processor "main 714. In addition, the local communication device 702 carries the user communications to the multiplexer of local ATM interworking 710. The local ATM interworking multiplexer 710 receives a processor control message from the local service platform, designating a selected connection for the main ATM interworking multiplexer 718 through an ATM interconnect system 720 and the VPI / VCI identifier of the selected connection. The local ATM interworking multiplexer 710 converts the user communications to ATM cells that identify the VPI / VCI identifier of the selected connection and transmits the ATM cells to the ATM interconnection system 720. The interconnection system ATM 720 interconnects the ATM cells to the selected connection together with the VPI / VCI identifier and routes the ATM cells to the main ATM interworking multiplexer 718. In addition, the main signaling processor 714 selects a connection for the main service platform 716 and transmits to the interworking multiplexer Main ATM 718, a processor control message, designating the selected connection. The main ATM interworking multiplexer 718", converts the ATM cells to user communications, having a format that is compatible with the main service platform 716 and transmits user communications over a selected connection to the main service platform 716, for processing A processor control message from the main signaling processor 714 and to the main service platform 716 designates the applications and controls for processing the user communications In a similar manner, a communication device 722 which it does not have a local service platform, it can transmit a call for it to be processed by the main service platform system 712 or by the main signaling processor 714. The communication device 722 transmits the call signaling to the signaling processor 724 and communication device, and the com user communications to the ATM interworking multiplexer 726. The signaling processor 724 controls the transmission of call signaling and user communications to the appropriate system. Figure 8 illustrates the interaction of service platforms in a telecommunications network. Figure 8, a local service platform system 802 interacts together with a peripheral service platform system 804. The peripheral service platform system 804 interacts in the same way, together with a main service platform system 806. Either of the service platform systems 802, 804 and 806 can transmit a call to any other system.
The ATM Interworking Multiplexer Figure 9 shows one embodiment of an ATM interworking multiplexer (mux) 902 that is appropriate for the present invention, but others are also applicable to other multiplexers that support the requirements of the invention. The ATM interworking multiplexer 902 has a control interface 904, an OC-M / STS-N 906 interface, a DS3 interface 908, a DS1 interface 910, a DSO interface 912, a signaling processor 914, an adaptation layer ( AAL) 916, an OC-M / STS-M 918 interface and an ISDN / GR-303 920 interface. The ISDN / GR-303 920 interface accepts control messages from the signaling processor 922. In particular, the interface control 904 identifies the DSO connections and the virtual connection assignments in the control messages, from the signaling processor 922. These assignments are provided to the adaptation layer 916, for implementation. The OC-M / STS-N 906 interface, the DS3 908 interface, the DS1 910 interface, the DSO 912 interface and the ISDN / GR-303 920 interface can each accept calls, including user communications, from a remote control device. communication 924. In a similar manner, the OC-M / STS-M 918 interface can accept calls, including user communications, from a 926 communication device. The OC-M / STS-N 906 interface accepts the signals from communication formatted in OC-N and the communication signals formatted in STS-N and converts the communication signals of the OC-N and STS-N formats to the DS3 format. The DS3 908 interface accepts the communication signals in the DS3 format and converts them to communication signals in DSl format. The DS3 908 interface can accept DS3 signals from the OC-M / STS-N 906 interface or from an external connection. The DSL 910 interface accepts communication signals in DSL format and converts them to communication signals in DSO format. The DSL 910 interface can accept DSI signals from the DS3 908 interface or from an external connection. The DSO 912 interface accepts communication signals in the DSO format and provides an interface for the 916 adaptation layer. The ISDN / GR-303 920 interface accepts the communication signals in both ISDN format and GR-303 format and converts the communication signals to the DSO format. In addition, each interface can transmit signals in a manner similar to that of the communication device 924. The interface OC-M / STS-M 918 has such an operation as to accept the ATM cells from the adaptation layer 916 and transmit ATM cells on the connection, to the communication device 926. The interface OC-M / STS-M 918 can also accept ATM cells in the OC or STS format and transmit them to the adaptation layer 916. The adaptation layer 916 comprises both to a convergence sub-layer and to a segmentation and reassembly sub-layer (SAR). The adaptation layer 916 has such an operation to accept the information of the call origination device in the DSO format, from the DSO interface 912 and to convert the information of the call originating device into ATM cells. Adaptation layers are already known in the art and information about adaptation layers is provided by document 1.363 of the International Telecommunication Union (ITU), which is incorporated herein, for reference. An adaptation layer for speech communication signals is described in U.S. Patent Application Serial No. 08 / 395,745, which was filed on February 28, 1995, entitled * Cell Processing for Voice Transmission "and which is incorporated herein for reference The adaptation layer 916 obtains from the control interface 904, the virtual path identifier (VPI) and the virtual channel identifier (VCI) of each digital level zero signal (DSO), for each connection The adaptation layer 916 also obtains the identity of the DSO (or DSO digital level signals of a Nx64 call.) The adaptation layer 916 then transfers the information of the call originating device., between the identified DSO and the identified virtual ATM connection. An acknowledgment that the assignments have been implemented towards the signaling processor 922 may be sent, if desired. Calls with multiple zero-level digital signals (DSO) of 64 Kilobits per second (Kbps) are known as Nx64 calls. If so desired, the adaptation layer 916 can be configured to accept control messages for Nx64 calls, through the control interface 904. As discussed above in 902 it also handles calls in the opposite direction, i.e. in the direction from the OC-M / STS-M 918 interface to the DSO 912 interface, including calls coming from the DSL 910 interface, DS3 908 interface, OCM / STS-N 906 interface and the ISDN / GR interface -303 920. For this type of traffic, the VPI / VCI identifier has already been selected and the traffic has been routed through the interconnection (not shown). As a result, adaptation layer 916 only needs to identify the DSO for the selected VPI / VCI identifier. This can be done through a verification table. In alternative embodiments, the signaling processor 922 can provide these DSO VPI / VCI identifier assignments through the control interface 904, for the adaptation layer 916. A technique for processing the identifiers VPI / VCI was discovered in the patent application American with serial number 08 / 653,852, which was filed on May 28, 1996, and entitled '' '' Telecommunications System wi th a Connection Processing Systeirf ', and which is incorporated here for your reference. DSO connections are bidirectional and ATM connections are typically unidirectional. As a result, two virtual connections in the opposite directions will typically be required, for each DSO. Those skilled in the art will appreciate how this can be accomplished, within the context of the invention. For example, the "interconnection may be provided with a second set of VPI / VCI identifiers in the opposite direction such as the original set of VPI / VCI identifiers." For each call the ATM interworking ultiplexers may be configured to automatically bring this identifier VPI / VCI, to provide a bidirectional virtual connection that matches the bidirectional zero-level digital signal (DSO) of the call In some embodiments, it may be desirable to incorporate digital signal processing capabilities at the DSO level. In the present invention digital signal processing is used to detect the triggering of the call It may also be desirable to apply echo cancellation and encryption to the selected DSO circuits In these modes, a signaling processor 914 may be included, either separately (as shown) or as part of the DSO 912 interface. The processor signaling 922 may be configured to send control messages to the ATM interworking multiplexer 902, to implement particular characteristics of the particular DSO circuits. Figure 10 shows another embodiment of an ATM interworking multiplexer (mux) 1002, which is appropriate for the present invention. The ATM interworking multiplexer 1002 has a control interface 1004, an electrical / optical interface STM-N 1006, an interface E3 1008, an interface El 1010, an interface E0 1012, a signaling processor 1014, an ATM adaptation layer 1016 , an electrical / optical interface STM-M 1018 and a digital private network signaling system (DPNSS) interface 1020. The service platform system 104 accepts control messages from signaling processor 1022. In particular, the interface control 1004 identifies the E0 connections and the virtual connection assignments, in the messages from the signaling processor 1022. These assignments are provided to the ATM adaptation layer 1016, for implementation. The STM-N 1006 electrical / optical interface, the E3 1008 interface, the 1010 interface, the E0 1012 interface and the 1020 digital private network signaling system interface can each accept calls, including user communications from a second communication device 1024. In the same way, the electrical / optical interface STM-M 1018 can accept calls, including user communications, from a third communication device 1026. The electrical / optical interface STM-N 1006 accepts the signals from communication in optical or electrical STM-N format and converts the communication signals from an STM-N or electrical STM-N optical format to a three format. The E3 1008 interface accepts the communication signals in the E3 format and converts the communication signals to the El format. The E3 1008 interface can accept E3 signals from the STM-N 1006 electrical / optical interface or from an external connection. The interface The 1010 accepts communication signals in the El format and converts them to communication signals in E0 format. The interface The 1010 can accept El signals from the STM-N 1006 electrical / optical interface, the E3 1008 interface or from an external connection. The E0 interface 1012 accepts the communication signals in the E0 format and provides an interface for the ATM adaptation layer 1016. The digital private network signaling system interface 1020 accepts the communication signals in the DPNSS format and converts the signals of communication to the E0 format. In addition, each interface can transmit signals in a manner similar to that of the second communication device 1024. The electrical / optical interface STM-M 1018 has such an operation, to accept ATM cells from the ATM adaptation layer 1016 and to transmit ATM cells over a connection to the third communication device 1026. The electrical / optical interface STM-M 1018 can also accept ATM cells in the electrical / optical format STM- M and transmitting them to the ATM adaptation layer 1016. The ATM adaptation layer 1016 comprises both a convergence sub-layer and a segmentation and reassembly sub-layer (SAR). The ATM adaptation layer 1016 has such an operation to accept call originating device information in the E0 format from the E0 1012 interface and to convert the call originating device information into ATM cells. The adaptation layer ATM 1016 obtains from the signaling processor 1014 the virtual path identifier (VPI) and the virtual channel identifier (VCI) of each call connection. The adaptation layer ATM 1016 also obtains the identity of each call. The ATM adaptation layer 1016 then transfers the call originating device information between the identified E0 and the identified ATM virtual connection. If so desired, an acknowledgment that the assignments have been implemented may be sent back to 1022. If so desired, the ATM adaptation layer 1016 may be configured to accept control messages through the control interface 1004, for Nx64 calls. As discussed above, the ATM 1002 interworking multiplexer also handles calls in the opposite direction, ie in the direction from the electrical / optical interface STM-M 1018 to the E0 1012 interface, including the calls coming from the interface The 1010, in accordance with the present invention, interface E3 1008, electrical / optical interface STM-N 1006 and the digital private network signaling system interface 1020. For this traffic, the VPI / VCI identifier has already been selected and the traffic has been routed through the interconnection (not shown). As a result, the ATM adaptation layer 1016 needs only to identify the preassigned E0 for the selected VPI / VCI identifier. This can be done through a verification table. In alternative embodiments, the signaling processor 1022 can provide this VPI / VCI identifier assignment, through the control interface 1004, to the ATM adaptation layer 1016.
DSO connections are bidirectional and ATM connections are typically unidirectional. As a result, two virtual connections in the opposite directions will typically be required for each EO. Those skilled in the art will appreciate how this can be accomplished, within the context of the invention. For example, the interconnection may be provided with a second set of VPI / VCI identifiers in the opposite direction such as the original set of VPI / VCI identifiers. For each call, the ATM interworking multiplexers can be configured to automatically bring this VPI / VCI identifier, to provide a bidirectional virtual connection that matches the bidirectional EO of the call. In some embodiments, it may be desirable to incorporate digital signal processing capabilities at the EO level. For example, in the present invention digital signal processing is used to detect the triggering of the call. It may also be desirable to apply echo cancellation. In these embodiments, a signaling processor 1014 may be included, either separately (as shown) or as part of the EO interface 1012. The signaling processor 1022 may be configured to send control messages to the multiplexer. ATM 1002 interworking, to implement particular characteristics of EO circuits in particular.
The Signaling Processor The signaling processor is referred to as a call / connection manager (CCM) and the latter receives and processes the telecommunication call signaling and controls the messages to select connections that establish communication paths for the calls. In the preferred mode, the call / connection manager (CCM) processes SS7 signaling to select connections for a call. The processing of the call / connection manager (CCM) is described in the United States patent application with the legally filed number 1148, which is entitled 'Telecommunication Systeirf', which is assigned to the same assignee of this patent application. and which, is incorporated here for your reference. In addition to the selection connections, the call / connection manager (CCM) performs many other functions in the context of call processing. Not only can it control routing and select real connections, it can also validate callers, control echo cancellers, generate billing information, invoke intelligent network functions, access remote databases, manage traffic and balance the network loads. Any expert in the art will immediately appreciate how the call / connection manager (CCM) described above can be adapted to operate in the above-described modes. Figure 11 illustrates a version of the call / connection manager (CCM). Other versions are also contemplated. In the embodiment of Figure 11, the call / connection manager 1102 controls an ATM interworking multiplexer (mux) which performs interworking of the DSO signals and the VPI / VCI identifiers. However, the call / connection manager (CCM) can control other communication devices and connections, in other modalities. The call / connection manager 1102 comprises a signaling platform 1104, a control platform 1106 and an application platform 1108. Each of the platforms 1104, 1106 and 1108 are coupled to the other platforms. The signaling platform 1104 is externally coupled to the SS7 systems, in particular to the systems having a message transfer part (MTP), an ISDN user part (ISUP), a part of 3 signaling connection control (SCCP), an intelligent network application part (INAP) and a transaction capability application part (TCAP). The control platform 1106 is externally coupled to a multiplex control, an echo control, resource control, billing and operation. The signaling platform 1104 comprises the MTP functionality parts from levels 1 to 3, and ISUP, TCAP, SCCP and INAP. And it has such an operation, to transmit and receive the SS7 messages. The ISUP, SCCP, INAP and TCAP functionality use MTP to transmit and receive SS7 messages. Collectively, this functionality is referred to as 'SS7 Battery' and is already known.The software or software required by any person skilled in the art to configure an SS7 battery is available on the market, for example, from Trilli um Company. control platform 1106, comprising several external interfaces, including a multiplexing interface, an echo interface, a resource control interface, a billing interface and an operations interface.The multiplexing interface exchanges messages with at least one multiplexer , these messages understand the assignments of DSO signals to VPI / VCI identifiers, acknowledgments and situation information.The echo control interface, exchanges messages with the echo control systems.The messages exchanged with the echo control systems, can include instructions that enable or disable echo cancellation in digital DSO signals, acknowledgments and situation information, in The resource control interface exchanges messages with external resources. Examples of such resources are devices that implement continuity checking, encryption, compression detection / transmission of tones, voice detection and voice mails. The messages exchanged with the resources are instructions to apply the resource to DSO digital signals, acknowledgments and situation information, in particular. For example, a message can instruct a continuity check facility, provide a loop, or send and detect a tone for a continuity test. The billing interface transfers the relevant billing information to the billing system, the typical billing information includes the parties making the call, time points of the call and any special features that are applied to the call. The operations interface allows configuration and control of the call / connection manager 1102. Any person skilled in the art will appreciate, how to produce the software or software for the interfaces of the control platform 1106. The application platform 1108 has functions to process the signaling information from the signaling platform 1104, in order to select connections. The identity of the selected connections is provided to the control platform 1106, for the multiplexing interface. Application platform 1108 is responsible for validation, routing translation, call control, exceptions, screening and error handling. In addition to providing the control requirements for the multiplexer, the application platform 1108 also provides requirements for echo control and resource control, towards the appropriate interface of the control platform 1106. In addition, the application platform 1108 generates the information signaling to be transmitted by means of signaling platform 1104. The signaling information may be ISUP, INAP or TCAP messages for external network elements. The relevant information for each call is stored in a call control block (CCB) for each call. The call control block (CCB) can be used to track and bill the call. The application platform 1108 operates in accordance with the Basic Telephone Communication Model (BCM), defined by the International Telecommunications Union (ITU). An example of the Basic Telephone Communication Model (BCM) is created to handle each call. The Model of a Basic Telephone Communication (BCM) includes a process of origin and a process of destination. The application platform 1108 includes a service switching process (SSF) which is used to invoke the service control function (SCF). Typically, the service switching process (SSF) is consulted with TCAP or INAP messages. The source and destination processes will have access to remote databases with intelligent network functionality (IN), through the service switching process (SSF) function. The software or software requirements for the 1108 application platform can be produced in the description and specification language (SDL), defined in document ITU-T Z.100. The description and specification language (SDL) can be converted to C code. Additional coding of C and C ++ can be added, as required to establish the environment. The call / connection manager 1102 may comprise of the software or software described above, loaded on a computer. The computer can be an Integrated Micro Products FT-Sparc 600 computer (IMP), which uses the Solaris operating system and conventional database systems. It may be desirable to use the multi-processing capability of a Unix operating system. From Figure 11, it can be seen that the application platform 1108 processes the signaling information to control numerous systems and facilitates connections and call services. The signaling SS7 is exchanged with external components through the signaling platform 1104, and the control information is exchanged with external systems through the control platform 1106. Advantageously, the call / connection manager 1102 is not integrated into the unit of central processing (CPU) of switch that is coupled to a switch matrix. Unlike the service control point (SCP), the call / connection manager 1102 is capable of processing ISUP messages, independently of the TCAP queries.
SS7 Messaging Designations The SS7 messages are already known. The designations for several SS7 messages are commonly used.
Those skilled in the art are familiar to the following message designations: ACM - Terminated Address Message ANM - BLO Response Message - BLA Blocking - CPG Blocking Acknowledgement - CRG Call Progress - Load CGB Information - 'Blocking CGBA Circuit Group - GRS Group Group Blocking Acknowledgment - GR Circuit Group Reinitialization - CGU Circuit Group Reinitialization Acknowledgement - CGUA Circuit Group Unlocking - CQM Circuit Group Unlocking Acknowledgment - Group Consultation of CQR Circuits - CRM Circuit Group Query Response - CRA Circuit Reservation Message - CVT Circuit Reservation Acknowledgment - CVR Circuit Validation Test - CFN Circuit Validation Response - COT Confusion - CCR Continuity - Request for Continuity Verification EXM - Exit Message INF - INR Information - Information Request IA N - Initial Address LPA - PAM Loop Acknowledge - Pass REL - Release RLC - 'Terminate Release RSC - Reset RES Circuit - Resume SUS - Suspend UBL - Unblock UBA - Unlock acknowledgment UCIC - Code Message Circuit Identification Not Equipped Call Manager / Connection (CCM) Tables Call Processing typically involves two aspects. First, an incoming or 'originating' connection is recognized by means of a call originating process, for example, the initial connection that a call uses to enter a network is the originating connection in that network. Outgoing or 'destination' connection is selected by means of a destination call process. For example, the destination connection is coupled to the originating connection in order to extend the call through the network. These two aspects of call processing are referred to as the originating side of the call and the destination side of the call. Figure 12 shows the data structure used by the application platform 1108 to execute the Basic Telephone Communication Model (BCM). This is done through a series of tables that point to one another in several ways. The pointers are typically comprised of following function designations and next index. The following function points to the next table and the next index points to an income or income range in this table. The data structure has a plant circuit board 1202, a table of panel groups 1204, an exception table 1206, an ANI table 1208, a number table called 1210 and a routing table 1212. The circuit board of plants 1202 contains information related to the connections. Typically, the connections are DSO or ATM connections. Initially the switchboard circuit board 1202 is used to retrieve information about the origin connection. Then, the table is used to retrieve information about the destination connection. When the origin connection is being processed, the. number of groups of exchanges of the circuit board of plants 1202, points to the group of exchanges applicable for the origin connection in the table of groups of exchanges 1204. The table of groups of exchanges 1204 contains information related to the groups of exchanges of origin and of 'destination. When the originating connection is being processed the group of exchanges table 1204 provides the relevant information to the group of exchanges of the originating connection and typically points to exception table 1206. Exception table 1206 is used to identify various conditions of exception related to the call that may influence the routing or other type of call administration. Typically, exception table 1206 points to table ANI 1208. However, exception table 1206 may point directly to the table of panel groups 1204, the number table called 1210, or the routing table 1212. The ANI table 1208 is used to identify any special feature, related to the caller's number. The caller number is commonly known as automatic number identification (ANI). The ANI table 1208 typically points to the number table called 1210. However, the ANI table 1208 may point directly to the table of panel groups 1204 or the routing table 1212. The table number called 1210 is used to identify the Routing requirements based on the called number. This will be the case for standard telephone calls. The called number table 1210 typically points to the routing table 1212. However, it may point to the group of switchgroups table 1204. The routing table 1212 has information related to routing the call in several connections. The routing table 1212 is input from a pointer in either the exception table 1206, the ANI table 1208 or in the number table called 1210. The routing table 1212 typically points to a group of exchanges in the group table. 1204. When the exception table 1206, the ANI table 1208, the number table called 1210 or the routing table 1212 point to the table of groups of exchanges 1204, these effectively select the group of destination exchanges. When the destination connection is being processed, the number of groups of exchanges within the table of group of exchanges 1204, points to the group of exchanges that contains the applicable destination connection that is inside the table of groups of exchanges 1204 The destination circuit is used to extend the call, the ventral circuit is typically a virtual path identifier.
(VPI) / virtual channel identifier (VCI) or a zero level digital signal (DSO). Thus, it can be seen that when migrating through the tables, it can be selected for a call, a destination connection. Figure 13 is a transcription of Figure 2. The tables in Figure 12 are present, but for clarity purposes, their pointers have been omitted. Figure 13 illustrates the additional tables that can be accessed, from the tables in Figure 12. These include a CCM identification table 1302, a treatment table 1304, a query / response table 1306 and a message table 1308. The identification table of CCM 1302 contains several SS7 CCM points. This can be accessed from the central group table 1204 and points back to the central group table 1204. The treatment table 1304 identifies several special actions that have to be taken in the course of call processing. This will typically result in the transmission of a release message (REL) and a cause value. The treatment table 1304 can be accessed from the switchboard circuit board 1202, the table of "switch groups 1204, the exception table 1206, the ANI table 1208, the number table named 1210, the routing table 1212 and the treatment table 1304. The query / response table 1306 has information used to request the service control function (SCF), which can be accessed by means of the table of panel groups 1204, the exception table 1206, the ANI table 1208, the number table called 1210 and the routing table 1212. This, points to the table of group 1204, the exception table 1206, the table ANI 1208, the table of number called 1210, the table of routing 1212 and the treatment table 1304. The message table 1308 is used to provide functions for the messages coming from the destination side of the call, this can be accessed by means of the table of groups of exchanges 1204 and points to the table of groups of exchanges 1204. Figures 14-21 illustrate examples of the different table, described above. Figure 14 shows an example of the central circuit board. Initially, the central circuit board is used to access the information about the source circuit. Later in the process, it is used to provide the information about the destination circuit. In the origin circuit processing, the associated point code is used to enter the table. This is the point code of the switch or call / connection manager (CCM) associated with the source circuit. The table also contains the circuit identification code (CIC). The circuit identification code (CIC) identifies the circuit, which is typically a DSO or a VPI / VCI. If the circuit is ATM, then the virtual path (VP) and the virtual channel (VC) can also be used for identification. The number of group members is a numeric code, which is used for the selection of the destination circuit. The hardware or hardware identifier identifies the location of the hardware or hardware that is associated with the source circuit. The echo canceling identification (EC) entry identifies the echo canceller for the source circuit. The surplus fields are dynamic, since they are filled during the processing of the call. The echo control input is filled based on three fields of signaling messages: the echo suppressor indicator in the IAM or CRM, the echo control device indicator in the ACM or CPM and the information transfer capacity in the IAM. This information is used to determine if echo control is required in the call. The satellite indicator is filled with the satellite indicator in the IAM or CRM. This can be used to reject a call if many satellites are being used. The circuit situation indicates whether a given circuit is at rest, blocked or not blocked. The circuit status indicates the current circuit status, for example, active or in transition the date / time indicates when the idle circuit was at rest. Figure 15 illustrates an example of the table of panel groups. During the origin processing, the number of groups of exchanges from the plant circuit table is used to access the plant table. The flash resolution indicates how a flash situation should be resolved. The flash is a double shot of the same circuit. If the flash resolution input is set to 'par / non', the element of the network with the highest point code controls the even circuits and element of the network with the lowest point code controls the odd circuits If the entry of the flash resolution is set to 'all', the call / connection manager (CCM) controls all the circuits. If the flash resolution entry is set to 'none', the call / connection manager (CCM) produces it.The continuity control entry lists the percentage of calls that require continuity testing in the group of exchanges. The common language location identifier (CLLI) entry is a normalized Bellcore entry The entry of "group of exchanges in satellite indicates that the group of exchanges uses a satellite. The group group entry in satellite is used in conjunction with the field of the satellite indicator described above, to determine if the call has used too many satellite connections and, consequently, must be rejected. The service indicator indicates whether the incoming message comes from a call / connection manager (CCM) (ATM) or a switch (TDM). The ambient message index (OMI) points to the message table in such a way that outgoing messages can obtain parameters. The entry of the associated number planning area (NPA) identifies the area code. The selection sequence indicates the methodology that will be used to select a connection. The designations of the selection sequence field inform the group of exchanges to select circuits based on the following: Less rest, more rest, ascending, descending, clockwise and counterclockwise . The jump counter is decremented from the IAN. If the jump counter is at zero, then the call is released. The active automatic congestion control (ACC) indicates whether the congestion control is active or not. If automatic congestion control is active, then the call / connection manager (CCM) can release the call. During the completion process, the index and the following function are used to enter the plant circuit board. Figure 16 illustrates an example of the exception table. The index is used as a pointer, to enter the table. The carrier selection identification (ID) parameter indicates how the caller arrived at the network and is used to route certain types of calls. The following is used by this field: spare or without indication, selected carrier identification code presumed and entered by the calling party, selected carrier identification code presumed and not entered by the calling party, selected carrier identification code presumed and without indication of being entered by the calling party and selected carrier identification code not presumed and entered by the party call. The carrier identification (ID) indicates the network that the caller wants to use. These are used to route calls directly to the desired network. The nature of the called party's address number is differentiated between 0+ calls, 1+ calls, test calls and international calls. For example international calls can be routed to a previously selected international carrier company. "The" digits from "and" digits to "from the called party are focused on a single additional processing, towards a defined range of called numbers. digits from "is a decimal number that is within a range of 1 to 15 digits. This can be of any length and if it is filled with less than 15 digits, it will be filled with zeros in the remaining digits. The field of "digits to" is a decimal number that is within a range of 1 to 15 digits.It can be of any length and if it is filled with less than 15 digits, it will be filled with nine digits in the remaining digits. Next index and next function dot to the next table, which is typically an ANI table Figure 17 illustrates an example of the ANI table.
The index is used to enter the fields in the table. The calling party category differs from the calling party types, for example, test calls, emergency calls and common calls. The nature of the income of the charge / caller's address number indicates how the ANI should be obtained. The following is the filling of the table that is used in this field: unknown, unique subscriber numbers, ANI not available or not provided, unique national number, ANI of the called party included, ANI of the called party not included, ANI of the Part call includes national number, non-unique subscriber number, non-unique national number, non-unique international number, test line test line and all other parameter values. The 'digits from' and 'digits towards' focus on a single additional processing, towards ANI within a given range. The data entry indicates whether the ANI represents a data device that does not need echo control. Line and origin (OLI) information differentiates between the ordinary subscriber, multi-part line, ANI failure, station level classification, special operator handling, outward dialing, automatic identification, coin-operated, or coin-less, using an access to database, service call 800/888, with coins, prison service / inspected call handled by operator (blank, by irregular and normal problem) intercept outgoing broad area telecommunications service, telecommunications relay service (TRS ), cellular services, private payment station and access to private virtual network type services. The following function and the index point to the next table, which is typically the called number table. Figure 18 illustrates an example of the called number table. The index is used to enter the table. The nature of the called number of the address's income indicates the type of dialed number, for example national versus international. The 'digits from' and 'digits towards' focus on a single additional processing, towards a range of called numbers. The processing follows the logic of processing the fields 'digits from' and 'digits towards' which are in Figure 16 the following function and the next index point to the next table, which is typically the routing table. Figure 19 shows an example of the routing table. The index is used to enter the table. The transit network selection (ID) network identification (ID) plan indicates the number of digits to be used in the circuit identification code (CIC). The fields 'digits from' and 'digits towards' of the transit network selection define the range of numbers, to identify an international carrier company. The circuit code indicates that an operator is needed on the call. The following function and next index entries that are in the routing table are used to identify a group of exchanges. The second and third function / index entries below define alternative routes. The third following function entry can also point back to another set of following functions in the routing table, with the aim of expanding the number of alternative route options. The only different income that is allowed, are the pointers that go to the treatment table. If the routing table points to the table of groups of exchanges, then the table of groups of exchanges typically points to a circuit of exchanges in the circuit board of exchanges. The output from the switchboard circuit board is the terminated connection of the call. It can be seen from Figures 14 to 19 that the tables can be configured to relate to each other in such a way that the calling processes can enter the circuit board of exchanges for the originating connection and can pass through them. the tables by entering information and using the pointers. The production of the tables is typically a destination connection, identified by means of the circuit board of plants. In certain cases, a treatment is specified by means of a treatment table, instead of a connection. If a group of exchanges can be selected, at any point during processing, the process can proceed directly to the table of groups of exchanges to complete the circuit selection. For example, it may be desirable to route calls from a particular ANI, over a set of groups of particular exchanges. In this case, the ANI table can point directly to the table of groups of exchanges and the table of groups of exchanges can point to a circuit board of exchanges for a termination circuit. The default path that goes through the tables is: circuit of exchanges, groups of exchanges, exception, ANI, called number, routing, groups of exchanges and circuit of exchanges. Figure 20 illustrates an example of the treatment table. Both the index and the cause number received from the message are filled and used to enter the table. If the index is filled and used to enter the table, the cause value, coding rule and general location indicator are used to generate a REL SS7 release. The received value of message cause value is the cause value in a received SS7 message. If the received message cause value is filled and used to enter the table, then the cause value from this message is used in a REL release from the call / connection manager (CCM). The following function and the following index point to the following table. Figure 21 illustrates an example of the message table. This table allows the call / connection manager (CCM) to alter the information in outgoing messages. The type of message is used to enter the table and represents the outgoing SS7 standard message type. The parameter is the relevant parameter that is inside the outgoing SS7 message. The indices point to several entries in the table of groups of exchanges and determine if the parameters can remain unchanged, be omitted or modified in outgoing messages. Those skilled in the art will appreciate that the variations of the specific embodiments discovered above are contemplated by the invention. The invention should not be restricted to the modalities described above, but should be measured according to the following claims. It is noted that, with regard to this date, the best method known by the requested, to carry out the present invention, is that which is clear from the present, discovering the invention. Having described the invention as above, the content of the following is claimed as property.

Claims (1)

  1. CLAIMS A method for operating a service platform system, the method characterized in that it comprises: receiving signals in a signaling processor system, wherein the signaling is related to a user communication in a first communication format; in the signaling processor system, select a service platform to provide a service based on signaling; in the signaling processor system, generating and transmitting a first message and a second message, from the signaling processor system; receive user communication in the first communication format and the first message, within an interworking unit; and in the interworking unit, convert the user communication of the first communication format, to the second communication format and transmit the user communication in the second communication format, to the service platform, in response to the first message. The method according to claim 1, characterized in that selecting the service platform comprises selecting a connection for the service platform. The method according to claim 1, characterized in that the signaling is an initial address message. The method according to claim 1, characterized in that the first communication format is a communication format in asynchronous transfer mode and the second communication format is a time division multiplexing communication format. The method according to claim 1, characterized in that it also comprises: receive the user communication in the second communication format and the second message in the service platform; Y On the service platform, provide the service in response to the second message. The method according to claim 5, characterized in that it also comprises: in the service platform, generate and transmit a third message from the service platform that indicates that the service has been provided; receive the third message in the signaling processor system; in the signaling processor system, generating and transmitting a fourth message from the signaling processor system, in response to the third message; receive the four message in the interworking unit; and in the interworking unit, transmit the user communication to another destination, in response to the fourth message. A communication system, characterized in that it comprises: a signaling processor system configured to receive the signaling related to a user communication in a first communication format, select a service platform to provide a service based on signaling, generate and transmit a first message and a second message; an interworking unit configured to receive the first message and the user communication in the first communication format, convert the user communication of the first communication format, the second communication format in response to the first message, and transmit the user communication in the second communication format, towards the service platform; Y a communication link, configured to couple the signaling processor system with the interworking unit. The communication system according to claim 7, characterized in that the signaling processor system is configured to select a connection for the service platform. The communication system according to claim 7, characterized in that the signaling is an initial address message. The communication system according to claim 7, characterized in that the first communication format is a communication format in asynchronous transfer mode and the second communication format is a time division multiplexing communication format. The communication system according to claim 7, characterized in that the additionally comprises: The service platform configured to receive user communication in the second communication format and to provide the service in response to the second message; a communications link, configured to couple the signaling processor system with the service platform; and a communication connection configured to couple the interworking unit with the service platform. The communication system according to claim 9, characterized in that: the service platform is additionally configured to generate and transmit a third message indicating that the service has been provided; the signaling processor system is further configured to receive the third message and generate and transmit a fourth message based on the third message; Y the interworking unit is additionally configured to receive the fourth message and transmit the user communication to a destination, in response to the fourth message. A telecommunication signaling processor system, characterized in that it comprises: signaling means for receiving the signaling related to user communication, in a first communication format; application means for selecting a service platform, for providing a service, in response to signaling, for generating a first message for an interworking unit to convert the user communication, from a first communication format to a second communication format; communication and transmitting user communication in the second user communication format to the service platform, and to generate a second message for the service platform to provide the service; Y control means for transmitting the first message and the second message. The telecommunication signaling processor system, according to claim 13, characterized in that the application means is for selecting an application, for the service platform. The telecommunication signaling processor system, according to claim 13, characterized in that the signaling is an initial address message.
MXPA/A/1999/004602A 1996-11-22 1999-05-18 System and method for providing enhanced services for a telecommunication call MXPA99004602A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08754847 1996-11-22

Publications (1)

Publication Number Publication Date
MXPA99004602A true MXPA99004602A (en) 2000-01-01

Family

ID=

Similar Documents

Publication Publication Date Title
US5920562A (en) Systems and methods for providing enhanced services for telecommunication call
US6002689A (en) System and method for interfacing a local communication device
EP0932971B1 (en) System and method for transporting a call in a telecommunication network
US6014378A (en) Telecommunications tandem system for circuit-based traffic
US6067299A (en) Communications system for providing ATM connections and echo cancellation
NZ335501A (en) Interfacing between GR-303 and asynchronous telecommunication call systems
US6563918B1 (en) Telecommunications system architecture for connecting a call
MXPA99004602A (en) System and method for providing enhanced services for a telecommunication call
MXPA99004746A (en) System and method for interfacing a local communication device
MXPA99004664A (en) System and method for transporting a call in a telecommunication network
MXPA99004756A (en) Broadband telecommunications system interface