WO2006122496A1 - Système de réalisation de service de tonalité de rappel multimédia et procédé idoine - Google Patents
Système de réalisation de service de tonalité de rappel multimédia et procédé idoine Download PDFInfo
- Publication number
- WO2006122496A1 WO2006122496A1 PCT/CN2006/000994 CN2006000994W WO2006122496A1 WO 2006122496 A1 WO2006122496 A1 WO 2006122496A1 CN 2006000994 W CN2006000994 W CN 2006000994W WO 2006122496 A1 WO2006122496 A1 WO 2006122496A1
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- WIPO (PCT)
- Prior art keywords
- terminal
- vig
- calling terminal
- ring back
- call
- Prior art date
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/42017—Customized ring-back tones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
- H04N21/4788—Supplemental services, e.g. displaying phone caller identification, shopping application communicating with other users, e.g. chatting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
- H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
- H04M2201/50—Telephonic communication in combination with video communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2207/00—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place
- H04M2207/18—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place wireless networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2207/00—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place
- H04M2207/18—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place wireless networks
- H04M2207/185—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place wireless networks wireless packet-switched
Definitions
- the present invention relates to a solution for implementing a ring back tone service in a communication network, and more particularly to a system and method for implementing a multimedia ring back tone service.
- the ring tone generally refers to the ringing tone of the called terminal when the called terminal receives the call
- the ring back tone refers to the process in which the calling terminal calls the called terminal, and is terminated by the communication system network.
- the ring tone played by the caller.
- the tone is a ring back tone that is customized by the called terminal on the network side of the communication system.
- the ring back tone may be music and songs pre-stored on the network side of the communication system providing the ring back tone service.
- the ring back tone service can be applied not only in mobile networks, but also in fixed network or third generation (3G) communication networks, such as Wideband Code Division Multiple Access (WCDMA) networks.
- 3G Third Generation
- WCDMA Wideband Code Division Multiple Access
- the main object of the present invention is to provide a system for realizing a multimedia ring back tone service, which can implement a multimedia ring back tone service in a 3G communication network.
- Another aspect of the present invention provides a method for implementing a multimedia ring back tone service, the method
- the multimedia ring back tone service can be implemented in a 3G communication network.
- a system for implementing a multimedia ring back tone service includes: a communication network, the system further comprising: a multimedia ring back tone MRBT platform and a video interworking gateway VIG for storing a terminal multimedia ring back tone in the communication network, wherein
- the MRBT platform is connected to the service switching center of the jurisdiction terminal in the communication network and the multimedia gateway MGW through the VIG.
- the VIG uses the sub-terminal to initiate the call to the call through the service switching center, and establishes the slave terminal through the MGW and VIG to the MRBT platform.
- the communication link, the MRBT platform plays the multimedia ring back tone to the terminal through the established communication link.
- the communication network is a third generation 3G communication network, a fourth generation 4G communication network or a next generation communication network NGN, and the service switching center is a mobile service switching center MSC Server ⁇
- the 3G communication network is a wideband code division multiple access WCDMA network.
- the VIG When the terminal call is connected, the VIG is used to remove the communication link from the VIG to the MRBT platform, and establish a communication link from the VIG through the service switching center to which the called terminal belongs to the called terminal, and perform the terminal and the called terminal. Call.
- the VIG is integrated in a service switching center.
- a method for implementing a multimedia ring back tone service where an MRBT platform for storing a multimedia ring back tone and a VIG for interacting between the MRBT platform and the terminal are set on the network side of the communication system, the method further comprising:
- the VIG Before the calling terminal initiates a call to the called terminal to the call, the VIG establishes a communication link from the MRBT platform via the VIG to the calling terminal, and the multimedia ringback tone set by the called terminal stored in the MRBT platform is communicated. The link is sent to the calling terminal.
- the VIG is set in a service switching center on the network side of the communication system.
- the service switching center to which the calling terminal belongs The single-address full message ACM is sent, and the MSC Server that receives the message connects to the calling terminal, and does not perform charging for the calling terminal.
- the method further includes:
- VIG removes the communication link from the MRBT platform to the VIG, establishes a communication link from the VIG to the called terminal, and performs a call from the calling terminal to the called terminal via the VIG.
- the VIG After the communication link of the VIG to the called terminal is established, the VIG receives the ANM message sent from the called terminal, sends an ANM message to the MSC Server to which the calling terminal belongs, and receives the message from the service switching center to the calling party. The terminal starts the current call billing.
- the method further includes: determining a step of the called terminal setting a multimedia ring back tone on the MRBT platform and paging to the called terminal.
- the process of determining that the called terminal sets the multimedia ringback tone on the MRBT platform is: the service switching center to which the calling terminal belongs queries the home location register HLR storing the called terminal subscription information, and the HLR returns to the service switching center to which the calling terminal belongs. A message indicating that the called terminal sets a multimedia ring back tone on the MRBT platform.
- the message indicating that the called terminal sets the multimedia ring back tone on the MRBT platform carries an SRI-ACK message with whether to set a multimedia ring back tone.
- the MRBT platform also stores a ringback tone. Before determining that the called terminal sets the multimedia ringback tone on the MRBT platform, the method further includes:
- the service switching center to which the calling terminal belongs determines whether the call initiated by the calling terminal is a video call and the calling terminal and the communication network where the calling terminal is located support the video call. If yes, perform the determination that the called terminal sets the multimedia ringback on the MRBT platform. The step of the tone and the subsequent steps; otherwise, the service switching center to which the calling terminal belongs establishes a bearer link from the calling terminal to the MRBT platform, and the ring back tone set by the called terminal stored in the MRBT platform is sent through the bearer link. Give the calling terminal. '
- the method further includes:
- the service switching center to which the calling terminal belongs removes the bearer link from the MRBT platform to the terminal, establishes a communication link from the calling terminal to the called terminal, and performs a call from the calling terminal to the called terminal.
- the media format is set to the calling terminal in the VIG, and the multimedia ringback tone set by the called terminal stored on the MRBT platform is sent to the calling terminal according to the set media format.
- the setting the media format to the calling terminal is set according to the call capability negotiation result performed by the VIG and the calling terminal;
- the present invention adds an MRBT platform capable of providing multimedia ring back tone and a VIG for transmitting multimedia ring back tone between the terminal and the MRBT platform in the WCDMA network.
- a communication link from the MRBT platform via the VIG and the multimedia gateway (MGW) to the terminal is established through the VIG, and the MRBT platform transmits the pre-stored multimedia body ringback tone to the terminal.
- the present invention can integrate the VIG into the mobile service switching center (MSC Server) of the 3G communication network, and when providing the multimedia ring back tone to the terminal, establish the VIG function from the MRBT platform through the MSC Server with the VIG function.
- MSC Server mobile service switching center
- the MSC Server the communication link of the MGW to the terminal, and the MRBT platform sends the pre-stored multimedia body ringback tone to the terminal. Therefore, the system and method provided by the present invention can implement a multimedia ring back tone service in a 3G communication network.
- FIG. 1 is a system implementation of implementing a multimedia ring back tone service in a WCDMA system according to the present invention; a schematic diagram of Example 1;
- FIG. 2 is a schematic diagram of a second embodiment of a system for implementing a multimedia ring back tone service in a WCDMA system according to the present invention
- Embodiment 3 is a flowchart of Embodiment 1 of a method for implementing a multimedia ring back tone service in a WCDMA system according to the present invention
- Embodiment 4 is a flowchart of Embodiment 2 of a method for implementing a multimedia ring back tone service in a WCDMA system according to the present invention
- FIG. 5 is a flowchart of Embodiment 3 of a method for implementing a multimedia ring back tone service in a WCDMA system according to the present invention. Mode for carrying out the invention
- the present invention is described by taking a 3G communication network as a WCDMA network as an example.
- the present invention is directed to implementing a multimedia ring back tone service in a 3G communication network, such as a WCDMA network.
- a video interworking gateway VIP, Vedio Interactive Gateway
- MRBT Multimedia Ring Back Tone
- VIG is used to support the MRBT platform to send multimedia ring back tone to the terminal.
- FIG. 1 A schematic diagram of a first embodiment of a system for implementing a multimedia ring back tone service in a WCDMA network is shown in FIG. 1.
- a system for providing a multimedia ring back tone includes a calling terminal, a Node B to which the calling terminal belongs, and a calling terminal.
- the MSC Server here mainly completes the mobile service switching function and the call control function
- the O-MSC Server is the MSC Server of the calling terminal
- the T-MSC Server is the visited MSC Server of the called terminal, which mainly stores the current information of the called terminal, and completes the connection between the called terminals during the call.
- the MGW mainly completes the connection between the VIG and the terminal, so that the multimedia ringback tone sent by the VIG can be sent to the terminal through the MGW.
- the HLR mainly stores the subscription information of the terminal, and interacts with the MSC Server to provide the MSC Server with the information of the terminal currently under the jurisdiction of the MSC Server.
- the HLR stores information about whether the terminal initiates the multimedia ring back tone service.
- the HLR returns a response message to the MSC Server, it carries "SS-CODE" to identify whether the terminal activates the ring back tone service.
- the VIG is set between the MRBT platform and the MSC Server, and between the MRBT platform and the MGW.
- the MRBT platform provides the multimedia ringback tone to the terminal through the VIG.
- the MRBT platform is used to save the preset multimedia ring back tone of the terminal.
- the multimedia ring back tone is sequentially sent to the terminal through the VIG and the MGW.
- the signaling interaction between the VIG and the MGW of the present invention is carried over the relay circuit or the IP network; the signaling interaction between the VIG and the MSC Server uses the Integrated Service Data Network User Part (ISOP) signaling; the VIG and MRBT platforms The signaling interaction between the two uses the Session Initiation Protocol (SIP) protocol, which is carried over the Internet Protocol (IP).
- SIP Session Initiation Protocol
- the VIG can also be integrated into the MSC Server.
- the MSC Server with the VIG function that is, the O-MSC Server in the figure is used to support the MRBT platform to send the multimedia ring back tone to the terminal.
- the MRBT platform and the VIG-capable MSC Server are carried by IP.
- the information sent and received is SIP.
- the Real-Time Transport Protocol (RTP) protocol is adopted between the MRBT platform and the MGW, and the SIP protocol is used between the O-MSC and the MRBT platform. Interaction.
- RTP Real-Time Transport Protocol
- FIG. 3 is a flowchart of Embodiment 1 of a method for implementing a multimedia ring back tone service in a WCDMA system according to the present invention.
- the method uses the system shown in FIG. 1 , and assumes that the calling terminal is a 3G communication network.
- the called terminal is a 3G communication network terminal, and the calling terminal initiates a video call (VP, Vedio Phone) to the called terminal, and the signaling interaction between the O-MSC Server and the T-MSC Server adopts the ISUP protocol, and the specific The steps are:
- Step 300 The calling terminal broadcasts the number of the called terminal, that is, sends a SETUP message to the O-MSC Server to initiate the VP.
- the called terminal number is the mobile subscriber integrated service data network number (MSISDN).
- Step 301 The O-MSC Server sends a roaming information (SRI) message for inquiring the current location information of the called terminal to the HLR according to the MSISDN carried in the current call.
- SRI roaming information
- Step 302 The HLR sends a GetRoaming Number (PR) message for obtaining the current roaming number of the called terminal to the T-MSC Server where the called terminal is currently located.
- PR GetRoaming Number
- Step 303 The T-MSC Server sends the roaming number of the called terminal by acquiring a roaming number result (PRN-ACK).
- PRN-ACK roaming number result
- Step 304 The HLR sends the obtained roaming number of the called terminal to the O-MSC Server by using a roaming information result (SRI-ACK) message, and sets the SS-CODE to a specific value in the SRI-ACK message.
- SRI-ACK roaming information result
- the operator specifies that the called terminal has opened the ring back tone service.
- Step 305 The O-MSC Server determines, according to the SRI-ACK message, that the called terminal supports the ring back tone service, and the O-MSC Server determines the current call according to the network where the calling terminal is located, the call supported by the calling party, and the nature of the call initiated.
- the call is VP.
- the calling party supports the VP call, and the call initiated by the calling terminal is a VP, it is determined that the current call is a VP; otherwise, the call is considered to be a voice call, and the entire voice call is The process is as described in Figure 4 below.
- the O-MSC Server sends an Initial Address (IAM) message to the VIG.
- the called number carried by the message is "Prefixl + Mobile Subscriber Roaming Number (MSRN)", where Prefix! ⁇ allows the O-MSC Server to connect the call to the VIG. And indicate that the call is a VP call, and the MSRN indicates the network where the called terminal is currently located.
- Step 306 After receiving the IAM message, the VIG sends the current call carrying the MSRN to the T-MSC server.
- Step 307 The T-MSC Server posts (PGAING) the called terminal according to the MSRN paging carried by the call.
- Step 308 After the called terminal successfully reports, send an alerting message to the T-MSC Server.
- Steps 309-310 After receiving the Alerting message, the T-MSC Server sends an address full message (ACM) to the O-MSC Server through the VIG, and informs the O-MSC Server to connect to the calling terminal.
- ACM address full message
- Step 311 The O-MSC Server determines that the multimedia ring back tone can be provided to the calling terminal, sends an Alerting message to the calling terminal, and then sends a connection (CONNENT) message to connect, and no charging is performed at this time.
- Step 312 VIG uses "Prefix2 + Flag + MSISDN of the called terminal" as the called number, adopts the SIP protocol, wherein Prefix2 is used for VIG to connect the call to the ring back tone platform, Flag is used to indicate that the multimedia ring back tone is played, and the INVITE is sent to the MRBT platform. The message carries the calling number in the INVITE message.
- Step 313 The MRBT platform sends a 200 OK message to the VIG.
- Step 314 The VIG sends an acknowledgement (ACK) message to the MRBT platform.
- ACK acknowledgement
- Step 315 The calling terminal that receives the CONNENT message completes the capability negotiation process through the MGW and the VIG, and connects the communication link from the calling terminal, the MGW, the VIG, and the MRBT platform.
- the present invention establishes a communication from the calling terminal, O-MGW, VIG to the MRBT platform in steps 311 to 315. link.
- Step 316 The MRBT platform checks the ring back tone service information preset by the called terminal. Find the multimedia ring back tone information customized by the called terminal to the calling terminal, and then play the multimedia ring back tone, such as the video ring back tone, to the calling terminal through O-MGW and VIG.
- Step 317 After the called terminal answers the call, sends a CONNECT message to the T-MSC Server.
- Step 318 The T-MSC Server sends a response message (ANM) to the VIG.
- NAM response message
- Steps 319-320 The VIG sends an ANM message to the O-MSC Server, and after the call capability negotiation between the calling terminal and the called terminal is performed, the calling terminal and the called terminal are connected.
- Step 321 The VIG teardown and the communication link between the MRBT platform send a release (BYE) message to the MRBT platform.
- Step 322 The MRBT platform sends a 200 OK message to the VIG.
- Step 323 The O-MSC Server that receives the ANM message starts to charge the calling terminal.
- Step 324 After the VIG completes the call capability negotiation process between the calling terminal and the called terminal, the calling terminal and the called terminal perform a call.
- Step 325 After the calling terminal or the called terminal ends the call, the calling terminal passes
- the O-MSC Server sends a Release (REL) message to the T-MSC Server, or the called terminal sends a REL message to the O-MSC Server through the T-MSC Server, removes the connection between the calling terminal and the called terminal, and releases the call, O- The MSC Server stops charging the calling terminal.
- REL Release
- the MRBT platform since the MRBT platform must first establish a communication link from the MRBT platform through the VIG platform and the O-MGW to the calling terminal before the multimedia ringback tone is played to the calling terminal, the MRBT platform and the calling terminal must be completed. Call ability negotiation. After the communication link is established between the MRBT platform and the calling terminal, the O-MSC Server receives the ACM message sent by the VIG. At this time, the O-MSC Server does not perform charging, and must wait until the calling terminal and the called terminal. After establishing the communication link, after receiving the ANM message sent by the VIG, the calling terminal and the called terminal are connected, and the charging of the calling terminal is started.
- the VIG and the calling terminal negotiate the call capability. Since the VIG does not know the calling capability level of the called terminal at this time, the VIG will according to the calling party.
- the call capability level supported by the terminal selects a media format, and the MRBT platform broadcasts the multimedia ringback tone to the calling terminal on the established communication link.
- the VIG negotiates with the called terminal to perform the calling capability. If the called terminal does not support the media format selected by the VIG for the calling terminal, the secondary call fails.
- the present invention can investigate and count the call capability levels supported by various 3G communication network terminals in the current communication network before performing the multimedia ring back tone service, and select the media formats supported by all terminals, in the VIG.
- the configuration is used as a basis for the call capability negotiation between the VIG and the calling terminal and the called terminal during the playing of the multimedia ring back tone and the calling terminal and the called terminal.
- the VIG performs media format conversion on the media stream sent by the called terminal during the call.
- the communication between the calling terminal and the called terminal can be performed normally.
- the present invention can stipulate several call capability levels between the VIG and MRBT platforms.
- the MRBT platform After receiving the INVITE message sent by the VIG, the MRBT platform initiates a 200 OK message to the VIG, carrying the MRBT platform selected this time.
- the media format informs the VIG to establish a media format selected from the MRBT platform to the communication link of the calling terminal, thereby reducing the signaling interaction process for establishing the call capability negotiation of the communication link, and shortening the response of playing the multimedia ring back tone. time.
- the MRBT platform in the present invention can also store a voice ringback tone played by the called terminal to the calling terminal.
- Embodiment 2 is a flowchart of Embodiment 2 of a method for implementing a multimedia ring back tone service in a WCDMA system according to the present invention.
- the method uses the system shown in FIG. 1 to support a calling terminal as a 3G communication network terminal, and the called terminal is a In the second generation communication network (2G) terminal, the calling terminal initiates a voice call to the called terminal, or the calling terminal initiates a call in the 2G network, and the ISUP protocol is adopted between the O-MSC Server and the T-MSC Server, and the specific steps are :
- Step 400 The calling terminal broadcasts the number of the called terminal, that is, sends a SETUP message to the O-MSC Server to initiate a voice call.
- the called terminal number is MSISDN, and the MSISDN is used to indicate the called terminal.
- Step 401 The O-MSC Server sends an SRI message for querying the current location information of the called terminal to the HLR.
- Step 402 The HLR sends a PRN message for obtaining the current roaming number of the called terminal to the T-MSC Server where the called terminal is currently located.
- Step 403 The T-MSC Server sends the roaming number of the called terminal by using PR-ACKJ ⁇ .
- Step 405 The O-MSC Server determines, according to the SRI-ACK message, that the called terminal supports the ring back tone service, and the O-MSC Server determines that the current call is a voice call according to the network where the calling terminal is located and the sexual shield that initiates the call.
- the calling terminal supports the VP, and the call initiated by the calling terminal is VP, it is determined that the current call is a VP, and the processing call of the entire VP is as shown in FIG. 3; otherwise, it is considered This call is a voice call.
- the O-MSC Server sends the call carrying the MSRN to the T-MSC Server, that is, sends the IAMo.
- Step 406 The T-MSC Server pages the called terminal according to the MSRN carried by the call.
- Step 407 After the called terminal successfully reports, send an Alerting message to the T-MSC Server.
- Step 408 The T-MSC Server that receives the Alerting message sends an ACM message to the O-MSC Server.
- Steps 409 - 410 the O-MSC Server that receives the ACM message sends an Alerting message to the calling terminal, and simultaneously transmits the IAM message sent to the MRBT platform through the VIG, and establishes the call from the calling terminal through the O-MSC Server to the MRBT platform. Bear the connection.
- the present invention can also transmit the IAM message directly to the MRBT platform without transparent transmission through the VIG.
- Step 411 The MRBT platform that receives the IAM message transparently transmits the ACM message sent to the O-MSC Server through the VIG.
- the present invention can also transmit the ACM message directly to the MRBT platform without transparent transmission through the VIG.
- Step 412 The MRBT platform searches for the ring back tone information customized by the called terminal to the calling terminal according to the ring back tone service information preset by the called terminal, and plays the voice ring back tone to the calling terminal through the O-MSC Server.
- Step 413 After the called terminal answers the call, send a CONNECT message to the T-MSC Server. '
- Step 414 The T-MSC Server sends an ANM message to the O-MSC Server.
- Steps 415-417 The O-MSC Server that receives the ANM message sends a CONNECT message to the calling terminal, and performs a call capability negotiation between the calling terminal and the called terminal, and establishes a call link between the calling terminal and the called terminal. , start billing the calling terminal.
- Step 418 The O-MSC Server transparently transmits the REL message sent to the MRBT platform through the VIG, and removes the bearer connection between the MRBT platform and the MRBT platform.
- the present invention may also be unreachable. After the VIG transparent transmission, the REL message is sent directly to the MRBT platform.
- Step 419 The MRBT platform that receives the REL message stops playing the voice ringback tone to the calling terminal, releases the bearer connection established by the O-MSC Server and the calling terminal, and sends an RLC message to the O-MSC Server.
- Step 420 The calling terminal and the called terminal make a call through the established call link.
- Step 421 After the calling terminal or the called terminal ends the call, the calling terminal sequentially passes the O-MSC Server and the T-MSC Server to the called terminal, or the called terminal sequentially passes the T-MSC Server and the O-MSC.
- the server sends a REL message to the calling terminal, removes the connection between the calling terminal and the called terminal, releases the call, and the O-MSC Server stops charging the calling terminal.
- FIG. 5 is a flowchart of Embodiment 3 of a method for implementing a multimedia ring back tone service in a WCDMA system according to the present invention. The method uses the system shown in FIG. 2, and the specific steps are as follows:
- Step 500 - Step 504 is the same as steps 300 to 304 described in FIG.
- Step 505 The O-MSC Server determines, according to the SRI-ACK message, that the called terminal supports the ring back tone service, and the O-MSC Server determines that the current call is a VP according to the network where the calling terminal is located and the nature of the call.
- the calling terminal and the network where the calling terminal is located support the VP, and the call initiated by the calling terminal is VP, it is determined that the current call is a VP; otherwise, the call is considered to be a voice call, and the whole process is as shown in FIG. 6 .
- the O-MSC Server sends an IAM message to the T-MSC Server, which carries the MSRN of the called terminal and pages the called party.
- Step 506 The T-MSC Server according to the MSRN PGAING called the terminal carried by the message. '
- Step 507 Similar to step 308 described in FIG. 3, after the called terminal successfully reports, the T-MSC Server sends an Alerting message.
- Step 508 After receiving the Alerting message, the T-MSC Server sends the message to the O-MSC Server. 0994
- the ACM message informs the O-MSC Server to connect to the calling terminal. '
- Step 509 Similar to step 311 described in FIG. 3, the O-MSC Server determines that the multimedia ring back tone can be provided to the calling terminal, sends an Alert message to the calling terminal, and then sends a CONNENT message to connect. fee.
- Step 510 The O-MSC Server uses "Prefix + Flag + MSISDN of the called terminal" as the called number, where the Prefix is used to connect the call to the CRBT platform, and the Flag identifies whether to play the multimedia CRBT or the voice CRBT, using the SIP protocol, to the MRBT.
- the platform sends an INVITE message and carries the calling number in the INVITE message.
- Step 511 - Step 512 is the same as steps 313 to 314 described in FIG.
- Step 513 The calling terminal that receives the CONNENT message completes the capability negotiation process and connects the communication link from the calling terminal, 0-MGW, O-MSC Server to the MRBT platform.
- the present invention establishes a step from the calling terminal, 0-MGW, O-MSC Server to the MRBT platform in step 508 513. Communication link.
- Step 514 The MRBT platform searches for the multimedia ring back tone information customized by the called terminal to the calling terminal according to the ring back tone service information preset by the called terminal, and sequentially plays the multimedia to the calling terminal through the O-MSC Server and the O-MGW.
- Ringback tone such as video ringback tone.
- the O-MSC Server of the present invention can establish a communication link between the MRBT platform and the calling terminal, and transmit a multimedia ringback via the communication link.
- Step 515 Similar to the step 317 described in FIG. 3, after the called terminal answers the call, it sends a CO NECT message to the T-MSC Server.
- Step 516 The T-MSC Server sends an A M to the O-MSC Server.
- Step 517 The O-MSC Server tears down the communication link between the MRBT platform and sends a BYE message to the MRBT platform.
- Step 518 The MRBT platform sends a 200 OK message to the O-MSC Server.
- Steps 519 ⁇ 520, the O-MSC Server completes the call capability negotiation process, establishes a communication link between the calling terminal and the called terminal, and starts charging the calling terminal.
- Step 521 After the MSC Server completes the call capability negotiation process between the calling terminal and the called terminal, the calling terminal and the called terminal make a call.
- Step 522 is the same as step 325 described in FIG. 3.
- the calling terminal sends a REL message to the T-MSC server through the O-MSC Server, and the called terminal and the called terminal are called.
- the connection, the call is released, and the O-MSC Server stops charging the calling terminal.
- the O-MSC Server establishes a bearer connection from the MRBT platform to the calling terminal through the O-MSC Server, and the MRBT platform gives the calling party through the 0-MGW.
- the terminal plays the voice ringback tone pre-customized by the called terminal as the calling terminal.
- the O-MSC Server removes the bearer connection from the MRBT platform to the calling terminal via the O-MGW, establishes a communication link from the calling terminal to the called terminal according to the prior art, and completes the calling terminal. The communication of the called terminal.
- This process is the same as the process of implementing the voice ringback tone in the prior art and will not be applied to the VIG function of the O-MSC Server.
- the MRBT platform of the present invention needs to establish a communication link from the MRBT platform through the O-MSC Server and the O-MGW to the calling terminal before the multimedia ringback tone is played to the calling terminal, it must be completed.
- the MRBT platform negotiates with the calling capability of the calling terminal. After the communication link between the MRBT platform and the calling terminal is established, the O-MSC Server receives the AQVi message sent by the T-MSC Server, and the O-MSC Server does not perform charging, and must wait until the calling terminal and the After the terminal is set up to establish a communication link, after receiving the ANM message sent by the T-MSC Server, the charging of the calling terminal is started.
- the multimedia ringback tone is pre-established by the O-MSC Server to establish a communication link from the MRBT platform to the calling terminal, and the calling terminal is charged, so that the calling terminal does not pay for listening to the multimedia ringback tone, thereby improving
- the enthusiasm of the user to use the multimedia ring back tone service is beneficial to the development of the multimedia ring back tone service.
- the O-MSC Server and the calling terminal have to perform call capability negotiation, since the O-MSC Server does not know the called terminal at this time.
- the call capability level the O-MSC Server selects a media format according to the call capability level supported by the calling terminal, and the MRBT platform broadcasts the multimedia ringback tone to the calling terminal on the established communication link.
- the O-MSC Server negotiates the call capability with the called terminal. If the called terminal does not support the media format selected by the O-MSC Server for the calling terminal, the call will be made. failure.
- the present invention can investigate and count the call capability levels supported by various 3G terminals in the current communication network before starting the multimedia ring back tone service, and select the media formats supported by all terminals.
- the MSC Server is configured to perform the call capability negotiation between the O-MSC Server and the calling terminal and the called terminal during the playing of the multimedia ring back tone and the calling terminal and the called terminal.
- the O-MSC Server performs media format on the media stream sent by the called terminal during the call.
- the conversion ensures that the communication between the calling terminal and the called terminal can be performed normally.
- the MRBT platform receives the INVITE message sent by the O-MSC Server, it sends a 200 OK message to the O-MSC Server, carries the media format selected by the MRBT platform, and informs the O-MSC Server to establish the slave.
- the communication link from the MRBT platform to the calling terminal The selected media format reduces the signaling interaction process for establishing call capability negotiation for establishing a communication link, and shortens the response time for playing multimedia ring back tone.
- the ISUP protocol and other protocols may be used not only between the O-MSC Server and the T-MSC Server of the present invention.
- the processing rule of playing the voice ring back tone and playing the multimedia ring back tone and the attribute of the calling terminal and the calling terminal are Whether the communication network in which the communication network supports multimedia ringback tone is related to whether the attribute of the called terminal and the communication network where the called terminal is located support multimedia ring back tone.
- the rules for different calling terminals to implement different types of ring back tones in different communication networks are as follows:
- the present invention can play a voice ringback tone to the calling terminal; when the calling terminal is a 2G terminal, the communication network where the calling terminal is located is a 3G communication network.
- the present invention can play a voice ringback tone to the calling terminal; when the calling terminal is a 3G communication network terminal, and the communication network where the calling terminal is located is 2G, the present invention can play a voice ring tone to the calling terminal; For the 3G communication network terminal, the communication network where the calling terminal is located is a 3G communication network, and the present invention can play the multimedia ring back tone to the calling terminal regardless of whether the network where the called terminal is located is a 3G network or a 2G network.
- the calling terminal and the called terminal make a call
- the calling terminal is a 3G communication network terminal and the network where the calling terminal is located is a 3G communication network
- the called terminal is a 2G terminal, or a called terminal
- the calling terminal and the called terminal can only make voice calls, but cannot perform video. call.
- the invention can realize the multimedia ring back tone service not only in the WCDMA system, but also can realize the multimedia ring back tone service in the multimedia information transmission support 3G communication network.
- the present invention can implement the multimedia ring back tone service in the 3G communication network.
- the multimedia ring back tone service is implemented by the present invention, there is no voice path between the calling terminal and the called terminal, and the call of the segment terminal can be effectively solved. Capacity negotiation and billing issues during the call.
- the called terminal when the called terminal is a 2G terminal, or the called terminal is a 3G communication network terminal, but the called terminal does not support the multimedia video call, or the called terminal is a 3G communication network terminal, but the network where the called terminal is located is 2G.
- the 2G terminal that applies for the multimedia ring back tone service or the 3G communication network that does not support the video call is dialed.
- a multimedia ring back tone is played to the calling terminal.
- the present invention can also be applied to a Next Generation Communication Network (NGN) or a 4th Generation (4G) communication network.
- NGN Next Generation Communication Network
- 4G 4th Generation
- the VIG is also added to the communication network, and the MRBT providing the multimedia ring back tone is also added. platform.
- VIG is used to support the MRBT platform to send multimedia ring back tone to the terminal.
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- General Engineering & Computer Science (AREA)
- Telephonic Communication Services (AREA)
- Mobile Radio Communication Systems (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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EP06741882A EP1855475A4 (en) | 2005-05-16 | 2006-05-16 | SYSTEM FOR REALIZING MULTIMEDIA RECALL CELLS AND METHOD THEREFOR |
US11/626,803 US7912198B2 (en) | 2005-05-16 | 2007-01-24 | System and method for implementing multimedia ring back tone service |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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CN2005100695887A CN1867002B (zh) | 2005-05-16 | 2005-05-16 | 一种实现多媒体回铃音业务的***及方法 |
CN200510069589.1 | 2005-05-16 | ||
CNB2005100695891A CN100558126C (zh) | 2005-05-16 | 2005-05-16 | 一种实现多媒体回铃音业务的方法、***及设备 |
CN200510069588.7 | 2005-05-16 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US11/626,803 Continuation US7912198B2 (en) | 2005-05-16 | 2007-01-24 | System and method for implementing multimedia ring back tone service |
Publications (1)
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WO2006122496A1 true WO2006122496A1 (fr) | 2006-11-23 |
Family
ID=37430936
Family Applications (1)
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PCT/CN2006/000994 WO2006122496A1 (fr) | 2005-05-16 | 2006-05-16 | Système de réalisation de service de tonalité de rappel multimédia et procédé idoine |
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US (1) | US7912198B2 (zh) |
EP (1) | EP1855475A4 (zh) |
WO (1) | WO2006122496A1 (zh) |
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CN101227736B (zh) * | 2007-12-27 | 2011-08-10 | 华为技术有限公司 | 一种呼叫控制方法及通讯***以及相关设备 |
US8200196B2 (en) * | 2008-01-28 | 2012-06-12 | Comverse Ltd. | Method and a system for enabling multimedia ring-back-within the context of a voice-call |
CN101282579B (zh) * | 2008-05-08 | 2011-06-08 | 华为技术有限公司 | 记录通话的方法、***、通话记录平台及彩铃平台 |
CN101621755B (zh) * | 2008-07-03 | 2012-07-04 | 华为技术有限公司 | 一种实现多媒体呼叫方法、装置和*** |
US8204200B2 (en) * | 2008-09-03 | 2012-06-19 | Core Wireless Licensing S.à.r.l. | Method, system, and apparatus for overriding a ring back signal |
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CN101902837A (zh) * | 2009-05-31 | 2010-12-01 | 华为技术有限公司 | 一种多媒体回铃音的实现方法、装置和*** |
CN101646055B (zh) * | 2009-09-03 | 2013-10-16 | 中兴通讯股份有限公司 | 实现视频互通网关功能的视频媒体服务器及视频互通方法 |
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Also Published As
Publication number | Publication date |
---|---|
US7912198B2 (en) | 2011-03-22 |
US20070268359A1 (en) | 2007-11-22 |
EP1855475A1 (en) | 2007-11-14 |
EP1855475A4 (en) | 2008-10-01 |
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