CN2907099Y - IP technology based data and voice switching system - Google Patents
IP technology based data and voice switching system Download PDFInfo
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- CN2907099Y CN2907099Y CN 200520040821 CN200520040821U CN2907099Y CN 2907099 Y CN2907099 Y CN 2907099Y CN 200520040821 CN200520040821 CN 200520040821 CN 200520040821 U CN200520040821 U CN 200520040821U CN 2907099 Y CN2907099 Y CN 2907099Y
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Abstract
The utility model relates to a data and voice exchange system based on the IP network technology, established through the coordination with PBX (Private Branch Exchange) via the IAD transition card (Voice Media Gateway). The IAD card is composed of a control unit, an IP protocol processing unit and a data and voice transition unit, positioned with a protocol processing and transition control software, is an IP Packet exchange and data / voice transition card device with a controller, supporting the QSIG protocol, allowing the interconnected multiple regionality IP PBX to build large-scale high performance, and seamless analog phone system. The utility model can be built into a data and voice exchange system based on the IP network technology together with the traditional PBX, the exchange controller, the applied management software, the terminal access module, the communication terminal device, the multi-service digital network platform, etc., creating the seamless connection between the PBX and the Ethernet broadband voice.
Description
Technical field
The present invention relates to network communication field, the IAD that relates in particular to a kind of IP of being equipped with packet protocol process software transforms card and cooperates make Ethernet broadband voice and the PBX set up to realize data, the speech exchange system of seamless link with traditional voice switching equipment PBX (subscriber exchange).
Background technology
The traditional voice switching equipment mainly relies on analog phone line that PSTN provides or digital link interface and realizes speech transmissions between the various places by the exchange of speech net.Along with Internet fast development, the Ethernet platform is being brought into play ever more important and indispensable effect as the information interchange platform in business community and commercial activity.Though the main tool of the commercial communication of tradition---PBX subscriber exchange is because its efficient stable, characteristics such as simple and practical are still being played the part of irreplaceable role in commercial communication, simultaneously because traditional shortcoming---high telephone expenses, purposes are single etc. is subjected to great challenge.
The voice product that is applied to Ethernet IP switching technology at present emerges in an endless stream: the soft communication of PC to PC, IP (Internet Protocol: Internet protocol) gateway of Bo Hao access device, VoIP or the like, but, realize that the application on the commercial meaning exists great defective and practical limitation owing to traditional switching technology effectively is not connected with Ethernet.
In present broadband network, have a kind of small-sized, the equipment that can finish the ip voice access is IAD (Integrated Access Device, integrated access equipment, another name voice medium gateway), IAD is a small-sized voice medium gateway that some analog telephone mouths are arranged, by an Ethernet interface access network based on ethernet.Wherein, both can carry out intercommunication between several analog telephones that connect on the IAD or the fax, also can dial or answer IP phone, send or received Fax over IP by Ethernet.Because IAD both can be towards telecom operators, but also To enterprises network users has made full use of existing broadband IP data network, and the ip voice value-added service is provided, so be the effective solution of saving the telephone communication expense, it is used also more and more widely.
The appearance of IAD equipment provides platform in online extension of broadband voice and application for traditional PBX advantage function.At present the method that adopts generally is to select for use the port of PBX (user port or trunking port) multiply-connected with the S/O port of IAD, is realized and being connected and the IP conversion of signals of Ethernet by the IAD gateway, as shown in Figure 1.IAD gateway device and PBX subscriber exchange are multiply-connected by trunking port, and two equipment combinations for separate rely on the physical channel to connect between the equipment.The quantity (port multiple connection quantity) of passage had both been limited in this connection, because multistage conversion causes signal attenuation and reliability to reduce, had increased use cost simultaneously.
Summary of the invention
The purpose of this invention is to provide a kind of data, speech exchange system that cooperates the IP based network technology of setting up by IAD card pluggable mode with PBX, make traditional direct access network based on ethernet of commercial voice exchange, thereby realize truly provide interconnecting of traditional voice net and Ethernet for business users, support Call Center, multiple functions such as CTI, DID comprehensively, by adopting strategies such as LCR (economic route), COS (grade of service), SMDR (internal accounting), with the communication minimization of cost.
The object of the present invention is achieved like this:
A kind of data based on the IP technology, speech exchange system, comprise and have user interface, the PBX subscriber exchange of trunk interface, the IAD card, it is characterized in that it is by the PBX subscriber exchange, the IAD card is combined in the device (Fig. 1), as shown in Figure 2, it is by master controller, switching network, trunk interface, the IAD card, Subscriber Interface Module SIM is formed by connecting, described user interface is by (9a) end and trunk interface (5a) end, (4a) end of IAD card is realized connection, and by user interface (9b) end and trunk interface (5b) end, (4b) end of IAD card, with switching network (6a), (6b) the end realization links to each other with switching network, and described switching network is by (7a), (7b) two ends respectively with 8 (a) of master controller, 8 (b) end links to each other and realizes being connected with master controller.
Described subscriber exchange PBX device have one with the supporting draw-in groove of IAD (voice medium gateway), IAD (voice medium gateway) can insert this draw-in groove and PBX (user class switch) fuses.
Described switching network, be a cover based on the voice of IP open protocol and data, switch software, have MEGACO/H.248V1 (RFC3015), MGCPV1.0/Packet Cable NCS (RFC 2705), ITU-T H.323, SIP (RFC 3261) signaling and control protocol disposal ability; Support PPPOE, PPPOA dial continuous access and DHCP, BOOTP dynamic address allocation pattern;
Described IAD card, adopt G.711 (64Kb/s, μ rule/A rule), (5.3Kb/s G.723.1,6.3Kb/s), (8Kb/s) mode G.729A, speech processes comprises satisfied G.168 2000 standards of echo elimination, Adaptive Time Delay jitter buffer, quiet inhibition and comfortable noisiness produce, and reach the outer dtmf signal transmission of band in the band; Realize simultaneously that automated facsimile detects, the transparent transmission of G.711 faxing, Ethernet real-time fax T.38.
Comprise control unit, IP protocol processing unit, data/voice converting unit and bus interface in the described IAD card, and dispose protocol processes and SCS, finish the packing of ethernet ip bag/analyse bag.The IAD cartoon crosses that draw-in groove fuses with it on the insertion PBX subscriber exchange.
IAD transition card of the present invention cooperates the data based on the IP agreement, the speech exchange system of setting up with PBX, comprise PBX, IAD transition card, application management software, terminal called equipment, port access module and multi-service digital network platform; System adopts DBAS II bus as PBX (subscriber exchange) module controls bus, and the intra-office exchanges data realizes by data/address bus; Switching network controller and IAD card connection realize the data protocol exchange, and the intra-office exchanges data realizes by data/address bus; IAD card (voice medium gateway) is finished the packing of ethernet ip bag/analyse bag; The D/A switch of voice is finished in the port access module; Application management software is based on the integrated management software of PBX (subscriber exchange), for the user provides user management, parameter designing, telnet, accounting management etc.
Described PBX (subscriber exchange) module is the commercial communication apparatus that a cover can provide the exchange of speech function.
On described PBX (subscriber exchange) general purpose card slot device design have one with the supporting draw-in groove of IAD (voice medium gateway), IAD (voice medium gateway) can insert this draw-in groove and PBX (subscriber exchange) fuses.
Described application management software is the Open Management instrument that is used to realize user's environment for use demand; By application management software, can realize elasticity number coding, the control of economic route, user gradation management, data acquisition/analysis, Route Selection and office direction setting; Business service such as calling number management and called number analysis;
Described port access module comprises user interface, trunk interface and Ethernet interface (LAN card), by exchange control unit and unified control of master controller and management;
Described communication terminal equipment is IP phone machine, PC computer, digital telephone set, analog telephone, facsimile machine, multipurpose voice/data terminal equipment;
Described multi-service digital network platform is PSTN numeral, analog signal lines interface, ADSL digital link interface, DDN/ISDN digital data network line interface.
Beneficial effect of the present invention is: IAD card newly developed (voice medium gateway) transition card is supported the QSIG agreement, allows interconnected multiple regional IP PBX, sets up large-scale, efficient seamless virtual telephony system.Data-voice switching system by itself and conventional P BX assembly, by switching network and unified control of master controller and management, the contradiction of having avoided PBX subscriber exchange and IAD independently to control separately, business users can not changed on the basis that has use habit and least cost now, and realization utilizes the advantage separately of communication network and Ethernet to reach the purpose of seamless link.Because this system is fully based on existing PBX mature technique, functional characteristics, can there be any particularity to user's applied environment and scheme selection, the Ethernet access function of Zeng Qianging makes system applies ability and cost performance obtain very big raising simultaneously.
Description of drawings
Fig. 1 is data, the speech exchange system structure chart that existing IAD card and conventional P BX form;
Fig. 2 is data of the present invention, speech exchange system structure chart.
Concrete working method
Below in conjunction with accompanying drawing and concrete working method the present invention is further described:
Fig. 2 is data of the present invention, speech exchange system structure chart.The flow process of voice data transmission is among Fig. 2: communication terminal equipment (digital subset, analog station, IP function phone, facsimile machine) is converted to data through interface module (S, 2B+D) and exchanges to the gateway controller of IAD card by switching control module, and gateway controller is transferred to Ethernet switch with packing data; Vice versa.
The IAD card directly inserts PBX control and switching bus, and data and voice are realized exchange by the PBX switching network.Terminal equipment voice or data can be transferred to (PSTN end office (EO)) through trunk interface by the PBX switching network, or realize transmission by IAD equipment and Ethernet switch (the Internet).
User interface, trunk interface and LAN card (Ethernet interface) are integrated in PBX inside, by switching network and unified control of master controller and management, the contradiction of having avoided PBX and IAD independently to control realizes that PBX traditional advantage function is in broadband voice online effective extension and application (network call center function, the direct recall terminal equipment of voice-over-net etc.).
Claims (2)
1, a kind of data based on the IP technology, speech exchange system, comprise and have user interface, the PBX subscriber exchange of trunk interface, the IAD card, it is characterized in that it is by the PBX subscriber exchange, the IAD card is combined in the device, by master controller, switching network, trunk interface, the IAD card, Subscriber Interface Module SIM is formed by connecting, described user interface is by (9a) end and trunk interface (5a) end, (4a) end of IAD card is realized connection, and by user interface (9 are not) end and trunk interface (5) end, (4) end of IAD card, with switching network (6a), (6b) the end realization links to each other with switching network, and described switching network is by (7a), (7b) two ends respectively with 8 (a) of master controller, the continuous realization of 8 (b) end is connected with master controller.
2, a kind of according to claim 1 data, speech exchange system based on the IP technology, it is characterized in that described subscriber exchange PBX device have one with the supporting draw-in groove of IAD (voice medium gateway), IAD (voice medium gateway) can insert this draw-in groove and PBX (user class switch) fuses.
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CN 200520040821 CN2907099Y (en) | 2005-04-13 | 2005-04-13 | IP technology based data and voice switching system |
Applications Claiming Priority (1)
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CN 200520040821 CN2907099Y (en) | 2005-04-13 | 2005-04-13 | IP technology based data and voice switching system |
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CN2907099Y true CN2907099Y (en) | 2007-05-30 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105393499A (en) * | 2014-06-30 | 2016-03-09 | Nec平台株式会社 | Gateway device, communication system, communication method, and communication program |
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2005
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105393499A (en) * | 2014-06-30 | 2016-03-09 | Nec平台株式会社 | Gateway device, communication system, communication method, and communication program |
US10375250B2 (en) | 2014-06-30 | 2019-08-06 | Nec Platforms, Ltd. | Gate way device, communication system, communication method, and communication program |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070530 |