CN100558126C - A kind of method, system and equipment of realizing multimedia ring back tone service - Google Patents
A kind of method, system and equipment of realizing multimedia ring back tone service Download PDFInfo
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- CN100558126C CN100558126C CNB2005100695891A CN200510069589A CN100558126C CN 100558126 C CN100558126 C CN 100558126C CN B2005100695891 A CNB2005100695891 A CN B2005100695891A CN 200510069589 A CN200510069589 A CN 200510069589A CN 100558126 C CN100558126 C CN 100558126C
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Abstract
The invention discloses a kind of method system and equipment of realizing multimedia ring back tone service.Described method is provided with the MRBT platform of storage multimedia audible ringing tone and is used for carrying out between MRBT platform and the terminal mutual VIG at communication system network, this method also comprises: before calling terminal initiates a call to call through to terminal called, set up the MRBT platform successively by VIG and the MGW communication link to calling terminal, the MRBT platform is play the multimedia audible ringing tone that is provided with by terminal called by described communication link to calling terminal.System provided by the invention, Apparatus and method for can be realized multimedia ring back tone service in communication network.
Description
Technical field
The present invention relates in communication network, realize the scheme of audible ringing tone service, particularly a kind of method, system and equipment of realizing multimedia ring back tone service.
Background technology
Usually said bell sound generally is meant terminal called when receiving calling, the ring back tone of calling terminal self, and ring-back tone is meant in the process of calling terminal calling terminal called, by the bell sound of communication system network to the caller broadcast.When calling terminal is called out terminal as terminal called, in a period of time before after connecting, not answering with terminal called, use that the user of calling terminal hears no longer be original " too " ring-back tone of type, but by the ring-back tone of terminal called in the communication system network customization.Ring-back tone can provide music that the communication system network of audible ringing tone service stores in advance and song etc.
Audible ringing tone service not only can be applied among the mobile network, also can be applied in fixed network or 3G communication network, in Wideband Code Division Multiple Access (WCDMA) (WCDMA) network.
Because the 3G communication network is supported multimedia service, so in the 3G communication network, not only can adopt sound as ring-back tone, can also adopt video pictures as ring-back tone.But, in the 3G communication network, but also do not realize multimedia ring back tone service at present.
Summary of the invention
In view of this, one aspect of the present invention provides a kind of system that realizes multimedia ring back tone service, can realize multimedia ring back tone service in the WCDMA network, and this system also can realize multimedia ring back tone service in the 3G communication network.
Another aspect of the present invention provides a kind of method that realizes multimedia ring back tone service, can realize multimedia ring back tone service in the WCDMA network, and this method can also realize multimedia ring back tone service in the 3G communication network.
Technical scheme of the present invention is achieved in that
A kind of system that realizes multimedia ring back tone service, this system comprises: caller mobile services switching centre MSC Server, multimedia audible ringing tone MRBT platform and Video Interworking Gateway VIG, wherein,
Described caller MSC Server is used to receive the call request that calling terminal is initiated to terminal called, and routes the call to described Video Interworking Gateway VIG;
Described Video Interworking Gateway VIG is used for setting up calling terminal by MGW and the VIG communication link to the MRBT platform according to the routing iinformation that caller MSC Server sends;
Described MRBT platform is used for the multimedia audible ringing tone of storage terminal, by calling terminal through MGW and VIG to the communication link of MRBT platform to calling terminal play multimedia ring-back tone.
Further, described caller MSC Server is used for also determining that the calling that calling terminal is initiated is the communication network support video call at video call, calling terminal and calling terminal place, send routing iinformation to VIG, described routing iinformation carries to be used to indicate described call proceeding called out to the sign of VIG and this and is the sign of video call;
Further, described VIG is used for initiating a call to before the call through by MSC Server when terminal, sets up calling terminal by MGW and the VIG communication link to the MRBT platform according to the sign of the video call that receives.
Further, described VIG also is used for behind called party answer, removes the communication link from VIG to the MRBT platform, sets up from VIG by called MS C Server to by the communication link of calling terminal, realize calling terminal with by the conversation of calling terminal.
Further, described VIG also is used for carrying out capability negotiation with calling terminal.
Further, the Signalling exchange of described VIG and MSC Server adopts ISDN User Part, and the Signalling exchange of described VIG and MRBT platform adopts Session Initiation Protocol.
A kind of method that realizes multimedia ring back tone service, communication system network be provided with the storage multimedia audible ringing tone the MRBT platform and be used for carrying out mutual VIG between MRBT platform and the terminal, this method also comprises:
Before calling terminal initiates a call to call through to terminal called, set up the MRBT platform successively by VIG and the MGW communication link to calling terminal, the MRBT platform is play the multimedia audible ringing tone that is provided with by terminal called by described communication link to calling terminal.
Further, comprise that also VIG sends Address Complete Message to caller MSC Server, the caller MSC that receives this message connects calling terminal, and calling terminal is not chargeed.
Further, during to the call through of terminal called, this method further comprises at calling terminal:
Remove the communication link of MRBT platform, set up VIG, carry out calling terminal through the conversation of VIG to terminal called by the communication link of called MS C Server to terminal called to VIG.
Further, the described VIG that sets up passes through called MS C Server behind the communication link of terminal called, VIG receives the response message ANM of sending from terminal called, send ANM for the affiliated MSC Server of calling terminal, the MSC Server that receives this message begins to carry out this call charging to calling terminal.
Further, set up the MRBT platform successively by VIG and MGW before the communication link of calling terminal, this method also comprises: determine that terminal called is provided with multimedia audible ringing tone at the MRBT platform.
Further, set up the MRBT platform successively by VIG and MGW before the communication link of calling terminal, this method also comprises:
After caller MSC Server determines that the calling of calling terminal initiation is the communication network support video call at video call and calling terminal and calling terminal place, send initial address message to VIG, carry in the described initial address message to be used to indicate described call proceeding called out to the sign of VIG and this and be the sign of video call.
Further, setting up the MRBT platform comprises to the communication link of calling terminal by VIG and MGW successively:
VIG sends a request message to MRBT, carries in the described request message the sign of call proceeding to the MRBT platform, and foundation links with the MRBT platform;
Calling terminal and VIG carry out capability negotiation, and connect communication link, have realized setting up the communication link of MRBT platform and calling terminal.
Further, configure generic media formats in VIG, described universal media form are applicable to and realize communicating by letter of VIG and calling terminal and/or terminal called.
From such scheme as can be seen, the present invention in the WCDMA network, increased the multimedia audible ringing tone of multimedia audible ringing tone (MRBT) platform can be provided and be used for terminal and the MRBT platform between the Video Interworking Gateway (VIG) of transmitting multimedia ring-back tone.When providing multimedia audible ringing tone to terminal, to set up from the MRBT platform through VIG, multimedia gateway (MGW) communication link by VIG to terminal, the multimedia body ring-back tone that the MRBT platform will be stored in advance sends to terminal.Therefore, system and method provided by the invention can be realized multimedia ring back tone service in the 3G communication network.
Description of drawings
Fig. 1 realizes the system schematic of multimedia ring back tone service in the WCDMA system for the present invention;
Fig. 2 realizes the flow chart of the method embodiment one of multimedia ring back tone service in the WCDMA system for the present invention;
Fig. 3 realizes the flow chart of the method embodiment two of multimedia ring back tone service in the WCDMA system for the present invention.
Embodiment
In order to make the purpose, technical solutions and advantages of the present invention clearer, below lift specific embodiment and, the present invention is further elaborated with reference to accompanying drawing.
Because in the prior art, 3G communication network network side can't send multimedia audible ringing tone to terminal, so the present invention is at the 3G communication network, as realizing multimedia ring back tone service in the WCDMA network, the MRBT platform that has increased VIG and multimedia audible ringing tone is provided in the WCDMA network.Wherein, VIG is used to support the MRBT platform to send multimedia audible ringing tone to terminal.The system schematic of realization multimedia ring back tone service as shown in Figure 1 in the WCDMA system: provide the system of multimedia audible ringing tone to comprise calling terminal, Node B (NodeB) under the calling terminal, calling mobile exchanging center (O-MSC Server) and the caller multimedia gateway (O-MGW) of NodeB under the administration calling terminal, terminal called, NodeB under the terminal called, called mobile switching centre (T-MSC Server) and the called multimedia gateway (T-MGW) of NodeB under the administration terminal called, VIG, attaching position register (HLR) and MRBT platform.
The MSC Server here mainly finishes Service Switching Function and CCF, O-MSC Server wherein is the MSC Server of calling terminal, T-MSC Server is the visited MSC Server of terminal called, main preservation terminal called current information, and in calling procedure, be accomplished to continuing between the terminal called.
MGW mainly finishes continuing between VIG and the terminal, makes the multimedia audible ringing tone that is sent by VIG send to terminal by MGW.
HLR mainly preserves the CAMEL-Subscription-Information of terminal, and itself and MSC Server carry out alternately, and the information of this current institute of MSC Server office terminal is provided to MSCServer.Preserve terminal among the HLR and whether open the information of multimedia ring back tone service, at HLR during, can carry " SS-CODE " and come whether opening audible ringing tone service of marking terminal to MSC Server echo reply message.
VIG is arranged between MRBT platform and the MSC Server, and between MRBT platform and the MGW, the MRBT platform provides multimedia audible ringing tone by VIG to terminal.
The MRBT platform is used to preserve the multimedia audible ringing tone that terminal sets in advance, and when terminal is called out, multimedia audible ringing tone is sent to terminal by VIG and MGW successively.
Signalling exchange between VIG of the present invention and the MGW is by repeat circuit or IP network carrying; Signalling exchange between VIG and the MSC Server adopts ISDN(Integrated Service Digital Network) User Part (ISUP) signaling; Signalling exchange between VIG and the MRBT platform adopts session initiation protocol (SIP) agreement, and (IP) carries by Internet protocol.
Fig. 2 realizes the flow chart of the method embodiment one of multimedia ring back tone service in the WCDMA system for the present invention, suppose that calling terminal is the 3G communication network terminal, terminal called is the 3G communication network terminal, calling terminal is initiated video call (VP) to terminal called, Signalling exchange between O-MSC Server and the T-MSCServer adopts ISDN User Part, and its concrete steps are:
Step 200, calling terminal are dialed the number of terminal called, send promptly for O-MSC Server and set up (SETUP) message, initiate VP.This called terminal number is mobile subscriber's ISDN(Integrated Service Digital Network) number (MSISDN).
The MSISDN that step 201, O-MSC Server are carried according to this calling gets roaming information (SRI) message to what HLR sent inquiry terminal called current location information.
Step 202, HLR to the T-MSC at the current place of terminal called Server send obtain terminal called current roaming number obtain roaming number (PRN) message.
Step 203, T-MSC Server are by obtaining the roaming number that roaming number result (PRN-ACK) sends terminal called.
Step 204, HLR send to O-MSC Server with the roaming number of the terminal called that gets access to by getting roaming information result (SRI-ACK) message, in SRI-ACK message, SS-CODE is set to a particular value, is specified by operator, is used to identify terminal called and has opened audible ringing tone service.
Step 205, O-MSC Server determine that according to SRI-ACK message terminal called supports audible ringing tone service, and calling that O-MSC Server supports according to calling terminal place network, caller and the character of initiating this calling are determined that this is called out and is VP.
Support that the calling that VP calls out and calling terminal is initiated is VP if the calling of calling terminal place network support is VP, caller, determine that then this calling is VP; Otherwise, think then that this is called out and be audio call that the processing procedure of whole audio call is as described in following Fig. 3.
O-MSC Server sends initial address (IAM) message to VIG, the called number that this message is carried is " Prefix1+ Mobile Station Roaming Number (MSRN) ", wherein, Prefix1 is used to allow O-MSC Server that VIG is arrived in call proceeding, and indicate this to call out to VP calls out, the network at the current place of MSRN indication terminal called.
After step 206, VIG receive IAM message, send the calling that this carries MSRN to T-MSC Server.
MSRN paging (PGAING) terminal called that step 207, T-MSC Server carry according to this calling.
After step 208, the terminal called paging success, send ring (Alerting) message for T-MSC Server.
After step 209～210, T-MSC Server receive Alerting message, send Address Complete Message (ACM) for O-MSC Server, inform that O-MSC Server connects calling terminal by VIG.
Step 211, O-MSC Server judge that this can provide multimedia color ring back tone to calling terminal, after calling terminal sends Alerting message, send connection (CONNENT) message again and connect, and do not charge this moment.
Step 212, VIG with " MSISDN of Prefix2+Flag+ terminal called " as called number, adopt Session Initiation Protocol, wherein Prefix2 be used for VIG with call proceeding to color ring platform, Flag is used to represent the play multimedia CRBT, send INVITE to the MRBT platform, and in INVITE, carry calling number.
Step 213, MRBT platform send 200OK message to VIG.
Step 214, VIG send to the MRBT platform and confirm (ACK) message.
Step 215, the calling terminal that receives CONNENT message are finished the capability negotiation process by MGW and VIG, and connect the communication link from calling terminal, MGW, VIG to the MRBT platform.
In order to realize giving calling terminal play multimedia audible ringing tone service by the MRBT platform, as the video ring-back tone, the present invention is in step 211～step 215, set up a communication link from calling terminal, MGW, VIG to the MRBT platform.
Step 216, MRBT platform are searched the multimedia audible ringing tone information of terminal called to customized by calling terminal according to the audible ringing tone service information that terminal called sets in advance, successively by VIG and MGW to calling terminal play multimedia ring-back tone, as the video ring-back tone.
Step 217, terminal called send CONNECT message to T-MSC Server after replying this calling.
Step 218, T-MSC Server send response message (ANM) to VIG.
Step 219～220, VIG send ANM to O-MSC Server, carry out connecting calling terminal and terminal called after call capabilities between calling terminal and the terminal called consults.
Communication link between step 221, VIG dismounting and the MRBT platform sends release (BYE) message to the MRBT platform.
Step 222, MRBT platform send 200OK message to VIG.
Step 223, the O-MSC Server that receives ANM begin calling terminal is chargeed.
After step 224, VIG finished the call capabilities negotiations process of calling terminal and terminal called, calling terminal and terminal called were conversed.
Step 225, after calling terminal or terminal called finish this conversation, calling terminal sends to T-MSC Server by O-MSC Server and discharges (REL) message, perhaps terminal called sends REL message by T-MSC Server to O-MSC Server, remove being connected of calling terminal and terminal called, call release, O-MSC Server stops to charge to calling terminal.
Because the MRBT platform must be set up communication link by VIG and MGW to calling terminal successively from the MRBT platform before giving calling terminal play multimedia ring-back tone, consult so must finish the call capabilities of MRBT platform and calling terminal.Set up after the communication link between MRBT platform and the calling terminal, O-MSC Server can receive the ACM message that VIG sends, and this moment, O-MSCServer can not charge, must wait until set up communication link between calling terminal and the terminal called after, after receiving the ANM of VIG transmission, connect calling terminal and terminal called, begin calling terminal is chargeed.Thereby avoided owing to the communication link of setting up VIG and calling terminal for the transmission multimedia audible ringing tone in advance will be to the problem of calling terminal charging, calling terminal can not paid because listening to multimedia audible ringing tone, improve the enthusiasm that the user uses multimedia ring back tone service, helped carrying out of multimedia ring back tone service.
In order to set up communication link by VIG and MGW to calling terminal successively from the MRBT platform, VIG and calling terminal carry out call capabilities to be consulted, because VIG this moment is not also known the call capabilities rank of terminal called, VIG can give calling terminal play multimedia ring-back tone on the communication link of setting up by the MRBT platform according to the selected media formats of the call capabilities rank that calling terminal is supported.By the time after the terminal called off-hook was replied, VIG carries out call capabilities with terminal called again to be consulted, if terminal called does not support VIG for the selected media formats of calling terminal, then can cause this call failure.
In order to address this problem, the present invention can be before carrying out multimedia ring back tone service, investigate and add up the call capabilities rank that various 3G communication network terminals are supported in the current communication network, the media formats of selecting all terminals all to support, in VIG, be configured, in play multimedia ring-back tone and calling terminal and terminal called communication process, carry out the foundation that call capabilities is consulted as VIG and calling terminal, terminal called.
When in case terminal called is not supported the media formats of selected calling terminal support in play multimedia ring-back tone process, by VIG the conversation process in, the Media Stream that terminal called is sent carries out media format conversion, guarantees that the communication between calling terminal and the terminal called can normally be carried out.
The present invention can arrange several call capabilities ranks between VIG and MRBT platform, after the MRBT platform is received the INVITE of VIG transmission, initiate in the 200OK message to VIG, carry this selected media formats of MRBT platform, inform the communication link selected media formats of this foundation of VIG from the MRBT platform to calling terminal, set up the signalling interactive process that communication link will carry out the call capabilities negotiation thereby reduce, shorten the response time of play multimedia ring-back tone.
MRBT among the present invention can also store the voice ring-back tone to the calling terminal broadcast of terminal called customization.Fig. 3 realizes the flow chart of the method embodiment two of multimedia ring back tone service in the WCDMA system for the present invention, suppose that calling terminal is the 3G communication network terminal, terminal called is second generation communication network (2G) terminal, calling terminal is initiated audio call to terminal called, perhaps calling terminal makes a call in the 2G network, adopt ISDN User Part between O-MSC Server and the T-MSC Server, its concrete steps are:
Step 300, calling terminal are dialed the number of terminal called, send SETUP message promptly for O-MSC Server, initiate audio call.This called terminal number is MSISDN, and MSISDN is used to indicate terminal called.
Step 301, O-MSC Server send the SRI message of inquiry terminal called current location information to HLR.
Step 302, HLR send the PRN message of obtaining terminal called current roaming number to the T-MSC at the current place of terminal called Server.
Step 303, T-MSC Server send the roaming number of terminal called by PRN-ACK.
Step 304, HLR send to O-MSC Server with the roaming number of the terminal called that gets access to by SRI-ACK message, in SRI-ACK message, SS-CODE is set to a particular value, is specifically specified by operator, is used to identify the terminal called opening audible ringing tone service.
Step 305, O-MSC Server determine that according to SRI-ACK message terminal called supports audible ringing tone service, and O-MSC Server is according to calling terminal place network and the character of initiating this calling, determine that this is called out to be audio call.
If the calling of calling terminal place network support is VP, calling terminal supports that the calling of VP and calling terminal initiation is VP, determines that then this is called out is VP, and it is that Fig. 2 is described that the processing of whole VP is called out; Otherwise, think that then this is called out is audio call.
O-MSC Server sends the calling that this carries MSRN to T-MSC Server, promptly sends IAM.
The MSRN paging terminal called that step 306, T-MSC Server carry according to this calling.
After step 307, the terminal called paging success, send Alerting message for T-MSC Server.
Step 308, receive that the T-MSC Server of Alerting message sends ACM message for O-MSC Server.
Step 309～310, the O-MSC Server that receives ACM message send Alerting message to calling terminal, simultaneously, by the IAM message that the VIG transparent transmission sends to the MRBT platform, set up from calling terminal and connect to the carrying of MRBT platform by O-MSC Server.
If directly connect between O-MSC Server and the MRBT platform, the present invention also can not pass through the VIG transparent transmission, but directly sends IAM message to the MRBT platform.
The ACM message that step 311, the MRBT platform of receiving IAM message send to O-MSC Server by the VIG transparent transmission.
If directly connect between O-MSC Server and the MRBT platform, the present invention also can not pass through the VIG transparent transmission, but directly sends ACM message to the MRBT platform.
Step 312, MRBT platform are searched terminal called the ringback tone information of customized by calling terminal are play the voice ring-back tone by O-MSC Server to calling terminal according to the audible ringing tone service information that terminal called sets in advance.
Step 313, terminal called send CONNECT message to T-MSC Server after replying this calling.
Step 314, T-MSC Server send ANM to O-MSC Server.
Step 315～317, the O-MSC Server that receives ANM send CONNECT message to calling terminal, after carrying out the call capabilities negotiation between calling terminal and the terminal called, set up the talking link of calling terminal and terminal called, begin calling terminal is chargeed.
The REL message that step 318, O-MSC Server send to the MRBT platform by the VIG transparent transmission, the carrying between dismounting and the MRBT platform connects.
If directly connect between O-MSC Server and the MRBT platform, the present invention also can not pass through the VIG transparent transmission, but directly sends REL message to the MRBT platform.
Step 319, the MRBT platform of receiving REL message stop to play the voice ring-back tone to calling terminal, discharge the carrying of setting up by O-MSC Server and calling terminal and are connected, send release to O-MSC Server and finish (RLC) message.
The talking link that step 320, calling terminal and terminal called pass through to be set up is conversed.
Step 321, after calling terminal or terminal called finish this conversation, calling terminal passes through O-MSC Server and T-MSC Server successively to terminal called, perhaps terminal called sends REL message by T-MSCServer and O-MSC Server to calling terminal successively, remove being connected of calling terminal and terminal called, call release, O-MSC Server stops to charge to calling terminal.
Not only ISDN User Part can be adopted between O-MSC Server of the present invention and the T-MSC Server, also other agreements can be adopted.
Because audible ringing tone service of the present invention is the audible ringing tone service of being enjoyed by terminal called customization, calling terminal, whether support that with the attribute of calling terminal and the communication network at calling terminal place multimedia audible ringing tone is relevant so play the processing rule of voice ring-back tone and play multimedia ring-back tone, and whether support multimedia audible ringing tone irrelevant with the attribute of terminal called and the communication network at terminal called place.Different calling terminals are realized the regular as follows of dissimilar ring-back tones in different communication network:
When calling terminal is the 2G terminal, the communication network at calling terminal place is 2G, and the present invention can play the voice ring-back tone to calling terminal; When calling terminal is the 2G terminal, the communication network at calling terminal place is the 3G communication network, and the present invention can play the voice ring-back tone to calling terminal; When calling terminal is the 3G communication network terminal, the communication network at calling terminal place is 2G, and the present invention can play the voice ring-back tone to calling terminal; When calling terminal is the 3G communication network terminal, the communication network at calling terminal place is the 3G communication network, and no matter the network at terminal called place is 3G network or 2G network, and the present invention can give calling terminal play multimedia ring-back tone.
In 3G network, when calling terminal and terminal called are conversed, if calling terminal is the network at 3G communication network terminal and calling terminal place is the 3G communication network, and terminal called is 2G terminal or terminal called is but that 3G communication network terminal terminal called does not support that VP or terminal called are but that the network at 3G communication network terminal terminal called place is 2G, then calling terminal and terminal called can only carry out voice call, and can not carry out video calling.
The present invention not only can realize multimedia ring back tone service in the WCDMA system, and can realize multimedia ring back tone service in the 3G communication network of supporting the multimedia messages transmission.
The present invention can be in the WCDMA network, and when MSC Server did not possess the multimedia messages transmittability, by cooperatively interacting between VIG, MGW and the MRBT platform, the 3G communication network terminal of administering to MSC Server provided the multimedia audible ringing tone service.Simultaneously, when the present invention is the 2G terminal when terminal called, perhaps terminal called is but that 3G communication network terminal terminal called is not supported VP, perhaps terminal called is but that the network at 3G communication network terminal terminal called place is when being 2G, the present invention provides the multimedia audible ringing tone service also can for this Terminal Type, and guarantee that calling terminal and terminal called can normally converse, be that 2G terminal or the 3G communication network terminal of not supporting VP or terminal are but that the network at 3G communication network terminal terminal place is when being 2G, also can apply for multimedia ring back tone service, when the 3G communication network terminal of supporting VP as the calling terminal dialing application multimedia ring back tone service the 2G terminal or when not supporting the 3G communication network terminal of video call, to this calling terminal play multimedia ring-back tone.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being made within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1, a kind of system that realizes multimedia ring back tone service is characterized in that, this system comprises: caller mobile services switching centre MSC Server, multimedia audible ringing tone MRBT platform and Video Interworking Gateway VIG, wherein,
Described caller MSC Server is used to receive the call request that calling terminal is initiated to terminal called, and routes the call to described Video Interworking Gateway VIG;
Described Video Interworking Gateway VIG is used for setting up calling terminal by MGW and the VIG communication link to the MRBT platform according to the routing iinformation that caller MSC Server sends;
Described MRBT platform is used for the multimedia audible ringing tone of storage terminal, by calling terminal through MGW and VIG to the communication link of MRBT platform to calling terminal play multimedia ring-back tone.
2, the system as claimed in claim 1, it is characterized in that, described caller MSC Server is used for also determining that the calling that calling terminal is initiated is the communication network support video call at video call, calling terminal and calling terminal place, send routing iinformation to VIG, described routing iinformation carries to be used to indicate described call proceeding called out to the sign of VIG and this and is the sign of video call;
Described VIG is used for initiating a call to before the call through by MSC Server when terminal, sets up calling terminal by MGW and the VIG communication link to the MRBT platform according to the sign of the video call that receives.
3, the system as claimed in claim 1, it is characterized in that described VIG also is used for behind called party answer, remove communication link from VIG to the MRBT platform, foundation from VIG by called MS C Server to by the communication link of calling terminal, realize calling terminal with by the conversation of calling terminal.
4, the system as claimed in claim 1 is characterized in that, described VIG also is used for carrying out capability negotiation with calling terminal.
5, the system as claimed in claim 1 is characterized in that, the Signalling exchange of described VIG and MSC Server adopts ISDN User Part, and the Signalling exchange of described VIG and MRBT platform adopts Session Initiation Protocol.
6, a kind of method that realizes multimedia ring back tone service, it is characterized in that, communication system network be provided with the storage multimedia audible ringing tone multimedia audible ringing tone MRBT platform and be used for carrying out mutual Video Interworking Gateway VIG between MRBT platform and the terminal, this method also comprises:
Before calling terminal initiates a call to call through to terminal called, set up the MRBT platform successively by VIG and the MGW communication link to calling terminal, the MRBT platform is play the multimedia audible ringing tone that is provided with by terminal called by described communication link to calling terminal.
7, method as claimed in claim 6 is characterized in that, comprises that also VIG sends Address Complete Message to caller MSC Server, and the caller MSC that receives this message connects calling terminal, and calling terminal is not chargeed.
8, method as claimed in claim 6 is characterized in that, during to the call through of terminal called, this method further comprises at calling terminal:
Remove the communication link of MRBT platform, set up VIG, carry out calling terminal through the conversation of VIG to terminal called by the communication link of called MS C Server to terminal called to VIG.
9, method as claimed in claim 6, it is characterized in that, the described VIG that sets up passes through called MS CServer behind the communication link of terminal called, VIG receives the response message ANM of sending from terminal called, send ANM for the affiliated MSC Server of calling terminal, the MSCServer that receives this message begins to carry out this call charging to calling terminal.
10, method as claimed in claim 6 is characterized in that, set up the MRBT platform successively by VIG and MGW before the communication link of calling terminal, this method also comprises: determine that terminal called is provided with multimedia audible ringing tone at the MRBT platform.
11, method as claimed in claim 6 is characterized in that, set up the MRBT platform successively by VIG and MGW before the communication link of calling terminal, this method also comprises:
After caller MSC Server determines that the calling of calling terminal initiation is the communication network support video call at video call and calling terminal and calling terminal place, send initial address message to VIG, carry in the described initial address message to be used to indicate described call proceeding called out to the sign of VIG and this and be the sign of video call.
12, method as claimed in claim 11 is characterized in that, sets up the MRBT platform and comprises to the communication link of calling terminal by VIG and MGW successively:
VIG sends a request message to MRBT, carries in the described request message the sign of call proceeding to the MRBT platform, and foundation links with the MRBT platform;
Calling terminal and VIG carry out capability negotiation, and connect communication link, have realized setting up the communication link of MRBT platform and calling terminal.
13, method as claimed in claim 12 is characterized in that, configure generic media formats in VIG, described universal media form are applicable to realizes communicating by letter of VIG and calling terminal and/or terminal called.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100695891A CN100558126C (en) | 2005-05-16 | 2005-05-16 | A kind of method, system and equipment of realizing multimedia ring back tone service |
| EP06741882A EP1855475A4 (en) | 2005-05-16 | 2006-05-16 | System for realizing multimedia ring back tone service and method thereof |
| PCT/CN2006/000994 WO2006122496A1 (en) | 2005-05-16 | 2006-05-16 | System for realizing multimedia ring back tone service and method thereof |
| US11/626,803 US7912198B2 (en) | 2005-05-16 | 2007-01-24 | System and method for implementing multimedia ring back tone service |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100695891A CN100558126C (en) | 2005-05-16 | 2005-05-16 | A kind of method, system and equipment of realizing multimedia ring back tone service |
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