CN1859496B - System and method for realizing multimedia color ring service - Google Patents

System and method for realizing multimedia color ring service Download PDF

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Publication number
CN1859496B
CN1859496B CN2006100585152A CN200610058515A CN1859496B CN 1859496 B CN1859496 B CN 1859496B CN 2006100585152 A CN2006100585152 A CN 2006100585152A CN 200610058515 A CN200610058515 A CN 200610058515A CN 1859496 B CN1859496 B CN 1859496B
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terminal
mrbt platform
called
calling terminal
msc
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CN1859496A (en
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成义华
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN2006100585152A priority Critical patent/CN1859496B/en
Publication of CN1859496A publication Critical patent/CN1859496A/en
Priority to EP07711058.3A priority patent/EP2012514B1/en
Priority to PCT/CN2007/000737 priority patent/WO2007104241A1/en
Priority to CN2007800002895A priority patent/CN101317431B/en
Priority to US11/964,075 priority patent/US8131265B2/en
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Abstract

The present invention discloses realizing multimedia coloring ring back tone (CRBT) service system. It contains mobile switching center (MSC), multimedia gateway (MGW) and home location register (HLR) home location register (HLR), multimedia ringing back tone (MRBT) platform storing multimedia coloring ring back tone (CRBT) in 3 G communication network, said platform with built-in video intercommunication gateway (VIG), MRBT platform respectively connected with MSC and MGW in 3 G communication network. The present invention also discloses a realizing multimedia coloring ring back tone (CRBT) service method. When calling terminal through MSC called terminal success to calling connected, establishes communication link from calling terminal through MGW to MRBT platform, MRBT platform throughsaid established communication link playing multimedia coloring ring back tone (CRBT) to calling terminal.

Description

A kind of system and method for realizing the multimedia video Ring Back Tone service
Technical field
The present invention relates in the third generation (3G) communication network, realize the scheme of audible ringing tone service, particularly a kind of system and method for realizing the multimedia video Ring Back Tone service.
Background technology
So-called ring-back tone is meant in the process of calling terminal calling terminal called, by the bell sound of communication system network to the calling terminal broadcast.And Ring Back Tone service is meant, as other-end as calling terminal, when calling out terminal called, in the process of called successful, the dialed terminal bell of paging, the calling terminal user hears no longer be system default " too " ring-back tone of type, but by terminal called in advance at the ring-back tone of communication system network customization.This ring-back tone can provide music that the communication system network of Ring Back Tone service stores in advance and song etc.
Ring Back Tone service not only can be applied among the mobile network, also can be applied in fixed network or the 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 the multimedia video frequency domain audio as ring-back tone.But, in the 3G communication network, also do not realize Multimedia Ring Back Tone service at present.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of system that realizes the multimedia video Ring Back Tone service on the one hand, and this system can be used for the multimedia video Ring Back Tone service at the 3G communication network.
This system comprises calling mobile exchanging center (MSC) and called MS C, multimedia gateway (MGW) and attaching position register (HLR), it is characterized in that, this system also comprises: built-in multimedia audible ringing tone (MRBT) platform of Video Interworking Gateway (VIG) function, wherein
HLR is used to preserve user's Multimedia Ring Back Tone service CAMEL-Subscription-Information;
Caller MSC is used at calling procedure, after judging that according to the user signing contract information that from HLR, obtains obtaining terminal called is multimedia video Ring Back Tone service user, trigger multimedia video Ring Back Tone service flow process, set up from calling terminal via the communication link of MGW to the MRBT platform;
The MRBT platform that is provided with the VIG function is used to store the multimedia video CRBT, and when calling terminal by MSC paging terminal called successfully between the call through, the MRBT platform by communication link that MSC set up to calling terminal play multimedia video frequency color ring; When the terminal called answering call, set up from the MRBT platform by the communication link of called MS C to terminal called.
This system applies is in Wideband Code Division Multiple Access (WCDMA) WCDMA network.
Interactive mode between described MRBT platform and the MSC is: adopt ISDN(Integrated Service Digital Network) User Part signaling, carry out alternately with the calling control or the session initiation protocol of bearer independent.
Interactive mode between described MRBT platform and the MSC is: adopt ISDN(Integrated Service Digital Network) User Part signaling, carry out alternately with the calling control or the session initiation protocol of bearer independent.
Interactive mode between described MRBT platform and the MGW is: undertaken alternately by time-division multiplex technology or IP technology.
On the other hand, the invention provides a kind of method that realizes the multimedia video Ring Back Tone service, this method can realize the multimedia video Ring Back Tone service in the 3G communication network.
This method is provided for storing the multimedia audible ringing tone MRBT platform with the play multimedia video frequency color ring in communication system, built-inly in this platform be used for carrying out mutual Video Interworking Gateway VIG function between MRBT platform and the terminal, and comprise the steps:
A, calling terminal make a call, and caller MSC judges that according to the service feature sign indicating number SS_CODE that obtains from HLR obtaining the terminal called user is multimedia video Ring Back Tone service user;
B, caller MSC trigger multimedia video Ring Back Tone service flow process, set up from calling terminal via the communication link of MGW to the MRBT platform;
The communication link that C, the utilization of MRBT platform are set up is to calling terminal play multimedia video frequency color ring.
Behind D, the terminal called answering call, set up from the MRBT platform by the communication link of called MS C to terminal called.The described foundation of step B further comprises to the process of the communication link of MRBT platform via MGW from calling terminal:
B1, MRBT platform make a call to the called MS C at terminal called place, and after the success of paging terminal called, called MS C sends Address Complete Message ACM to the MRBT platform;
B2, MRBT platform are transmitted to caller MSC with the ACM that is received, the caller MSC that receives ACM connects calling terminal, calling terminal finish by MGW and the MRBT platform between capability negotiation, and set up from calling terminal via the communication link of MGW to the MRBT platform.
Preferably, the MRBT platform has also been stored the voice CRBT, and before described step B, this method further comprises:
Caller MSC makes the following judgment: if the network support multimedia video Ring Back Tone service at calling terminal and calling terminal place, then carry out described step B, otherwise caller MSC sets up the communication link from calling terminal to the MRBT platform, will play to calling terminal by communication link at the voice CRBT by the terminal called setting of MRBT platform storage.
It is that multimedia video Ring Back Tone service user's process is that described judgement obtains terminal called:
The HLR of caller MSC inquiry storage terminal called CAMEL-Subscription-Information, HLR returns the indication terminal called is provided with the multimedia video CRBT at the MRBT platform message for caller MSC.
Preferably, described HLR is for the step of caller MSC return messages: HLR sends to caller MSC and carries the SRI-ACK message with the SS-CODE whether multimedia video CRBT message is set.
Described step D comprises: the MRBT platform is received the response message ANM that sends from terminal called, send ANM to caller MSC, and the communication link of foundation from the MRBT platform to terminal called, after carrying out the capability negotiation between calling terminal and the terminal called, carry out calling terminal through caller MSC, caller MGW, MRBT platform, called MS C, called MGW to the conversation between the terminal called.
Preferably, behind the communication link of described foundation from the MRBT platform to terminal called, this method further comprises: by the MRBT platform MRBT platform the set up communication link to the communication link of terminal called and the calling terminal of having set up to the MRBT platform is coupled together and form the communication link that is connected calling terminal and terminal called, caller MSC receives the ANM that the MRBT platform sends, and caller MSC begins to carry out this call charging to calling terminal.
If judged result is for playing the voice CRBT, then setting up calling terminal to the concrete steps of the communication link of MRBT platform is: caller MSC makes a call to called MS C, after the success of called MS C paging terminal called, send ACM to caller MSC, after caller MSC receives ACM, make a call, be established to the communication link of MRBT to the MRBT platform, after receiving the ACM that sends from the MRBT platform, connect calling terminal by the link of caller MSC to the MRBT platform.
To be converted to set media formats at the multimedia video CRBT by the terminal called setting of MRBT platform storage.
The described method that media formats is set to calling terminal is specially: carry out the result that call capabilities consults according to MRBT platform and calling terminal and be provided with; Perhaps be provided with according to the call capabilities rank that is stored in calling terminal in the MRBT platform in advance.
From such scheme as can be seen, the present invention has increased the MRBT platform that multimedia color ring back tone can be provided in the 3G communication network, and this platform has the VIG function.When calling terminal provides Multimedia Ring Back Tone service, via the communication link of MGW to terminal, the multimedia color ring back tone that the MRBT platform will be stored in advance sends to terminal by this communication link from the MRBT platform in foundation.Therefore, system and method provided by the invention can be realized Multimedia Ring Back Tone service in the 3G communication network.
The described method that media formats is set to calling terminal is specially: carry out the result that call capabilities consults according to MRBT platform and calling terminal and be provided with; Perhaps be provided with according to the call capabilities rank that is stored in calling terminal in the MRBT platform in advance.
From such scheme as can be seen, the present invention has increased the MRBT platform that multimedia color ring back tone can be provided in the 3G communication network, and this platform has the VIG function.When calling terminal provides Multimedia Ring Back Tone service, via the communication link of MGW to terminal, the multimedia color ring back tone that the MRBT platform will be stored in advance sends to terminal by this communication link from the MRBT platform in foundation.Therefore, system and method provided by the invention can be realized Multimedia Ring Back Tone service in the 3G communication network.
Further, the present invention has provided when Multimedia Ring Back Tone service is provided, the concrete scheme that calling is chargeed; When the play multimedia CRBT, finish with caller by the MRBT platform and to carry out capability negotiation, when conversation, to finish and the called terminal capability negotiation of carrying out by the MRBT platform, the way of consulting with segmentation has solved the capability negotiation problem between MRBT platform and the calling and called; If called what applied for that multimedia color ring back tone and caller initiate is video call, video call is routed to the MRBT platform, utilize the link of having set up between MSC and the MRBT platform that is used for the play multimedia CRBT in the calling and called connection procedure, and save the step of removing link; In addition,, carry out voice call, perhaps play voice CRBT etc., also provided corresponding solution as the play multimedia CRBT for other situation that may occur in the practical business.
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, the network side of 3G communication network can't be realized sending multimedia color ring back tone to calling terminal, so the present invention is at the 3G communication network, as realizing Multimedia Ring Back Tone service in the WCDMA network, in the WCDMA network, increased the MRBT platform that is used to provide multimedia color ring back tone, this platform is built-in with Video Interworking Gateway VIG, is used to set up being connected of MRBT platform and mobile services switching centre (MSC) and multimedia gateway (MGW).The system group network schematic diagram of realization Multimedia Ring Back Tone service as shown in Figure 1 in the WCDMA communications network system: provide the system of multimedia color ring back tone to comprise calling terminal, Node B (NodeB) under the calling terminal, calling terminal mobile switching centre (O-MSC) and the caller multimedia gateway (O-MGW) of node NodeB under the administration calling terminal, terminal called, node NodeB under the terminal called, called mobile switching centre (T-MSC) and the called multimedia gateway (T-MGW) of node NodeB under the administration terminal called, attaching position register (HLR) and MRBT platform.
The MSC here mainly finishes Service Switching Function and CCF, and O-MSC wherein is the MSC of calling terminal, and T-MSC is the terminal called visited MSC, mainly preserves the terminal called current information, and is accomplished to continuing between the terminal called in calling procedure.
MGW is used to finish continuing between MRBT platform and the terminal, and the multimedia color ring back tone that makes the MRBT platform send can send to calling terminal by MGW.
HLR is used to preserve the CAMEL-Subscription-Information of terminal, and mutual by HLR and MSC provides the information of the current institute of this MSC office terminal to MSC.Preserve terminal among the HLR and whether open the information of Multimedia Ring Back Tone service, when MSC returns the response message of SRI, can carry " SS-CODE " and come marking terminal whether to open Multimedia Ring Back Tone service at HLR.
The MRBT platform is used to preserve the multimedia color ring back tone that terminal customizes in advance, when the called success of paging, receives behind the next ANM of called MS C, and multimedia color ring back tone is sent to calling terminal by MGW.
Adopt ISDN(Integrated Service Digital Network) User Part (ISUP) signaling between MRBT platform of the present invention and the MSC, control (BICC) or session initiation protocol (SIP) carrying with the calling of bearer independent, undertaken alternately by time-division multiplex technology (TDM) or IP technology between MRBT platform and the MGW, follow-up execution mode adopts the ISUP signaling to be described.
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 and the T-MSC adopts ISDN User Part, and its concrete steps are:
The number of step 200, calling terminal dialing terminal called promptly sends to O-MSC and sets up (SETUP) message, initiates VP.This called terminal number is mobile subscriber's ISDN(Integrated Service Digital Network) number (MSISDN).
The MSISDN that step 201, O-MSC 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 send obtain terminal called current roaming number obtain roaming number (PRN) message.
Step 203, T-MSC send the roaming number of terminal called to HLR by obtaining roaming number result (PRN-ACK) message.
Step 204, HLR send to O-MSC 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, and this value is specified by operator, is used to identify terminal called and has opened audible ringing tone service.
Step 205, O-MSC determine that according to SRI-ACK message terminal called supports Ring Back Tone service, and calling that O-MSC 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.
If the calling that the network support VP at calling terminal place, calling terminal support VP and calling terminal to initiate is VP, determine that then this is called out is VP; Otherwise, think 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 sends initial address (IAM) message to the MRBT platform, this message is carried called number and is " Prefix+ Mobile Station Roaming Number (MSRN) ", wherein, Prefix is used to allow O-MSC that the MRBT platform is arrived in call proceeding, and indication calling this time is VP, the network at the current place of MSRN indication terminal called.
After step 206, MRBT platform are received IAM message, send the calling that this carries MSRN to T-MSC.
MSRN paging (PGAING) terminal called that step 207, T-MSC carry according to this calling.
After step 208, the terminal called paging success, send ring (ALERTING) message to T-MSC.
After step 209~210, T-MSC receive ALERTING message, send Address Complete Message (ACM) to O-MSC, inform that O-MSC connects calling terminal by the MRBT platform.
Step 211~212, O-MSC judge that this can provide multimedia color ring back tone to calling terminal, after calling terminal sends ALERTING message, send connection (CONNECT) message again and connect, and do not charge this moment.
Step 213, the calling terminal that receives CONNECT message are finished the capability negotiation process by the MRBT platform, and set up from calling terminal, through the communication link of MGW to the MRBT platform.
Step 214, MRBT platform are searched the multimedia color ring back tone information of terminal called to customized by calling terminal according to the audible ringing tone service information that terminal called sets in advance, by MGW to calling terminal play multimedia CRBT.
Step 215, terminal called send CONNECT message to T-MSC after replying this calling.
Step 216, T-MSC send response message (ANM) to the MRBT platform.
Step 217~218, MRBT platform carry out connecting calling terminal and terminal called, and sending ANM to O-MSC after call capabilities between calling terminal and the terminal called consults.Calling terminal is connected in described connection and terminal called comprises following operation: the MRBT platform is set up from the MRBT platform through the communication link of T-MSC to terminal called, the communication link that this communication link set up and step 213 are set up couples together by the MRBT platform, promptly sets up from calling terminal through the communication link of MRBT platform to terminal called.
Step 219, the O-MSC that receives ANM begin calling terminal is chargeed.
After step 220, MRBT platform were finished the call capabilities negotiation of calling terminal and terminal called, calling terminal and terminal called were conversed.
Step 221~222, after calling terminal or terminal called finish this conversation, calling terminal sends to T-MSC by O-MSC and discharges (REL) message, perhaps terminal called sends REL message by T-MSC to O-MSC, remove being connected of calling terminal and terminal called, call release, return when release is finished to discharge and finish (RLC) message, O-MSC stops to charge to calling terminal.
Because the MRBT platform before giving calling terminal play multimedia CRBT, must be set up from the MRBT platform via the communication link of MGW to calling terminal, so must finish the call capabilities negotiation of MRBT platform and calling terminal.After MRBT platform and calling terminal were set up communication link, O-MSC can receive the ACM that the MRBT platform sends, and this moment, O-MSC can not charge; Must wait until between terminal called and the MRBT platform and set up communication link, and by the MRBT platform communication link of being set up and the calling terminal of having set up are coupled together to form to the communication link of MRBT platform and be connected after the communication link of calling terminal and terminal called, O-MSC receives the ANM that the MRBT platform sends, show on calling terminal and terminal called, just begin calling terminal is chargeed this moment, thereby avoided owing to the communication link of setting up MRBT platform and calling terminal for the transmission multimedia color ring back tone in advance will be to the problem of calling terminal charging, calling terminal can not paid because listening to multimedia color ring back tone, improve the enthusiasm that the user uses multimedia color ring back tone, helped carrying out of Multimedia Ring Back Tone service.
In order to set up communication link by MGW to calling terminal from the MRBT platform, MRBT platform and calling terminal carry out the negotiation of call capabilities, because MRBT platform this moment is not also known the call capabilities rank of terminal called, the MRBT platform can be selected a media formats according to the call capabilities rank that calling terminal is supported, the communication link that is passed through by the MRBT platform to be set up is to calling terminal play multimedia CRBT.By the time after the terminal called off-hook was replied, the MRBT platform carries out call capabilities with terminal called again to be consulted, if terminal called does not support the MRBT platform 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 terminals are supported in the current communication network, the media formats of selecting all terminals all to support, in the MRBT platform, be configured, in play multimedia CRBT and calling terminal and terminal called communication process, carry out the foundation that call capabilities is consulted as MRBT platform and calling terminal, terminal called.
The present invention can arrange several call capabilities ranks in the MRBT platform, be used for the communication link selected form of selected this foundation from the MRBT platform to calling terminal, set up the signalling interactive process that call capabilities that communication link will carry out is consulted, the response time of shortening play multimedia CRBT thereby reduce.
When in case terminal called is not supported the media formats of selected calling terminal support in play multimedia CRBT process, by the MRBT platform in communication process, carry out format conversion to sending to the Media Stream that terminal called and terminal called send, can normally carry out to guarantee the communication between calling terminal and the terminal called.
MRBT platform among the present invention can also be stored the voice CRBT 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 the second generation (2G) communication network terminal, and calling terminal is initiated audio call to terminal called, and perhaps calling terminal is in the 2G network-originated call, adopt ISDN User Part between O-MSC and the T-MSC, concrete steps are:
The number of step 300, calling terminal dialing terminal called promptly sends SETUP message to O-MSC, initiates audio call, and this called terminal number is MSISDN, and MSISDN is used to indicate terminal called.
Step 301, O-MSC 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.
Step 303, T-MSC send the roaming number of terminal called to HLR by PRN-ACK message.
Step 304, HLR send to O-MSC with the roaming number of the terminal called that gets access to by SRI-ACK message, and in SRI-ACK message, SS-CODE is set to a particular value, is specifically specified by operator, is used to identify terminal called and opens Ring Back Tone service.
Step 305, O-MSC determine that according to SRI-ACK message terminal called supports Ring Back Tone service, and O-MSC 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 communication network at calling terminal place is supported VP, the calling that calling terminal supports VP and calling terminal to initiate is VP, determine then that this is called out to be VP, whole VP to be treated to Fig. 2 described; Otherwise, think that this is called out is audio call.
O-MSC sends the calling that this carries MSRN to T-MSC, promptly sends IAM.
The MSRN paging terminal called that step 306, T-MSC carry according to this calling.
After step 307, the terminal called paging success, send ALERTING message to T-MSC.
Step 308, receive that the T-MSC of ALERTING message sends ACM to O-MSC.
Step 309~310, the O-MSC that receives ACM send ALERTING message to calling terminal, simultaneously, by sending IAM message to the MRBT platform, set up from calling terminal by the communication link of O-MSC to the MRBT platform.
Step 311, receive that the MRBT platform of IAM message sends ACM to O-MSC.
Step 312, MRBT platform are searched terminal called the multimedia bell information of customized by calling terminal are play the voice CRBT by O-MSC to calling terminal according to the Ring Back Tone service information that terminal called sets in advance.
Step 313, terminal called send CONNECT message to T-MSC after replying this calling.
Step 314, T-MSC send ANM to O-MSC.
Step 315~317, the O-MSC that receives ANM send CONNECT message to calling terminal, carry out after call capabilities between calling terminal and the terminal called consults, and set up the talking link of calling terminal and terminal called, begin calling terminal is chargeed.
Step 318~319, O-MSC send REL message to the MRBT platform, the communication link between dismounting and the MRBT platform.The MRBT platform of receiving REL message stops to play the voice CRBT to calling terminal, discharges the communication link of MRBT platform and O-MSC, sends RLC message to O-MSC.
The talking link that step 320, calling terminal and terminal called pass through to be set up is conversed.
Step 321~322, after calling terminal or terminal called finish this conversation, calling terminal successively by O-MSC and T-MSC to terminal called, perhaps terminal called sends REL message by T-MSC and O-MSC to calling terminal successively, remove being connected of calling terminal and terminal called, call release, O-MSC stops to charge to calling terminal.
Not only can adopt ISDN User Part between O-MSC of the present invention and the T-MSC, also can adopt other agreements, as Bearer Independent Call Control Protocol or Session Initiation Protocol.
Because Ring Back Tone service of the present invention is the business of being enjoyed by terminal called customization, calling terminal, whether support that with the attribute of calling terminal and the network at calling terminal place multimedia color ring back tone is relevant so play the processing rule of voice CRBT and play multimedia CRBT, and whether support multimedia color ring back 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 CRBT in different communication network:
When calling terminal is the 2G terminal, the communication network at calling terminal place is the 2G communication network, and the present invention can play the voice CRBT 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 CRBT to calling terminal; When calling terminal is a 3G terminal, the communication network at calling terminal place is the 2G communication network, and the present invention can play the voice CRBT to calling terminal; When calling terminal is a 3G 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 CRBT.
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 that 3G terminal is worked as terminal called and do not supported that VP or terminal called are 3G terminal but the network at terminal called place is the 2G network, 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, but MSC is not when possessing the multimedia messages transmittability, by cooperatively interacting between MGW and the MRBT platform, provides the multimedia color ring back tone service to the 3G terminal of MSC administration.Simultaneously, when the present invention is the 2G terminal when terminal called, perhaps terminal called is a 3G terminal but terminal called is not supported VP, perhaps terminal called is that 3G terminal but the network at terminal called place are when being the 2G network, the present invention provides the multimedia color ring back 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 terminal of not supporting VP or terminal are that 3G terminal but the network at terminal place are when being the 2G network, also can apply for Multimedia Ring Back Tone service, when the 3G terminal of supporting VP as the calling terminal dialing application Multimedia Ring Back Tone service the 2G terminal or when not supporting the 3G terminal of VP, to this calling terminal play multimedia CRBT.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done 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 (15)

1. system that realizes the multimedia video Ring Back Tone service, comprise: calling mobile exchanging center MSC and called MS C, multimedia gateway MGW and attaching position register HLR, it is characterized in that, this system also comprises: the built-in multimedia audible ringing tone MRBT platform of Video Interworking Gateway VIG function, wherein
HLR is used to preserve user's multimedia video Ring Back Tone service CAMEL-Subscription-Information;
Caller MSC is used at calling procedure, after judging that according to the user signing contract information that from HLR, obtains obtaining terminal called is multimedia video Ring Back Tone service user, trigger multimedia video Ring Back Tone service flow process, set up from calling terminal via the communication link of MGW to the MRBT platform;
The MRBT platform that is provided with the VIG function is used to store the multimedia video CRBT, and when calling terminal by MSC paging terminal called successfully between the call through, the communication link that the MRBT platform is set up by caller MSC is to calling terminal play multimedia video frequency color ring; When the terminal called answering call, set up from the MRBT platform by the communication link of called MS C to terminal called.
2. the system as claimed in claim 1 is characterized in that, this system applies is in Wideband Code Division Multiple Access (WCDMA) WCDMA network.
3. system as claimed in claim 1 or 2 is characterized in that, the interactive mode between described MRBT platform and the MSC is: adopt ISDN(Integrated Service Digital Network) User Part signaling, carry out alternately with the calling control or the session initiation protocol of bearer independent.
4. system as claimed in claim 3 is characterized in that, the interactive mode between described MRBT platform and the MGW is: undertaken alternately by time-division multiplex technology or IP technology.
5. method that realizes the multimedia video Ring Back Tone service, it is characterized in that, in communication system, be provided for storing multimedia audible ringing tone MRBT platform with the play multimedia video frequency color ring, built-inly in this platform be used for carrying out mutual Video Interworking Gateway VIG function between MRBT platform and the terminal, this method comprises:
A, calling terminal make a call, and caller MSC judges that according to the service feature sign indicating number SS_CODE that obtains from HLR obtaining terminal called is multimedia video Ring Back Tone service user;
B, caller MSC trigger multimedia video Ring Back Tone service flow process, set up from calling terminal via the communication link of MGW to the MRBT platform;
The communication link that C, the utilization of MRBT platform are set up is to calling terminal play multimedia video frequency color ring;
Behind D, the terminal called answering call, set up from the MRBT platform by the communication link of called MS C to terminal called.
6. method as claimed in claim 5 is characterized in that, the described foundation of step B further comprises to the process of the communication link of MRBT platform via MGW from calling terminal:
B1, MRBT platform make a call to the called MS C at terminal called place, and after the success of paging terminal called, called MS C sends Address Complete Message ACM to the MRBT platform;
B2, MRBT platform are transmitted to caller MSC with the ACM that is received, the caller MSC that receives ACM connects calling terminal, calling terminal finish by MGW and the MRBT platform between capability negotiation, and set up from calling terminal via the communication link of MGW to the MRBT platform.
7. method as claimed in claim 5 is characterized in that the MRBT platform has also been stored the voice CRBT, and before described step B, this method further comprises:
Caller MSC makes the following judgment: if the network support multimedia video Ring Back Tone service at calling terminal and calling terminal place, then carry out described step B, otherwise caller MSC sets up the communication link from calling terminal to the MRBT platform, will play to calling terminal by communication link at the voice CRBT by the terminal called setting of MRBT platform storage.
8. method as claimed in claim 7 is characterized in that, it is that multimedia video Ring Back Tone service user's process is that described judgement obtains terminal called:
The HLR of caller MSC inquiry storage terminal called CAMEL-Subscription-Information, HLR returns the indication terminal called is provided with the multimedia video CRBT at the MRBT platform message for caller MSC.
9. method as claimed in claim 8 is characterized in that, described HLR is for the step of caller MSC return messages: HLR sends to caller MSC and carries the SRI-ACK message with the SS-CODE whether multimedia video CRBT message is set.
10. as claim 5 or 6 described methods, it is characterized in that, described step D comprises: the MRBT platform is received the response message ANM that sends from terminal called, send ANM to caller MSC, and the communication link of foundation from the MRBT platform to terminal called, after carrying out the capability negotiation between calling terminal and the terminal called, carry out calling terminal through caller MSC, caller MGW, MRBT platform, called MS C, called MGW to the conversation between the terminal called.
11. as each described method of claim 6 to 9, it is characterized in that, behind the communication link of described foundation from the MRBT platform to terminal called, this method further comprises: by the MRBT platform MRBT platform the set up communication link to the communication link of terminal called and the calling terminal of having set up to the MRBT platform is coupled together and form the communication link that is connected calling terminal and terminal called, caller MSC receives the ANM that the MRBT platform sends, and caller MSC begins to carry out this call charging to calling terminal.
12. method as claimed in claim 7, it is characterized in that, if judged result is for playing the voice CRBT, then setting up calling terminal to the concrete steps of the communication link of MRBT platform is: caller MSC makes a call to called MS C, after the success of called MS C paging terminal called, send ACM to caller MSC, after caller MSC receives ACM, make a call to the MRBT platform, be established to the communication link of MRBT, after receiving the ACM that sends from the MRBT platform, connect calling terminal by the link of caller MSC to the MRBT platform.
13. method as claimed in claim 12, it is characterized in that, behind the terminal called answering call, this method further comprises: called MS C sends ANM to caller MSC, the caller MSC that receives ANM connects calling terminal, set up the talking link of calling terminal to terminal called, caller MSC begins calling terminal is chargeed, and removes caller MSC to the link between the MRBT platform.
14. method as claimed in claim 5 is characterized in that, to calling terminal media formats is set in the MRBT platform, utilizes the communication link of being set up before calling terminal play multimedia video frequency color ring at described MRBT, this method further comprises:
To be converted to set media formats at the multimedia video CRBT by the terminal called setting of MRBT platform storage.
15. method as claimed in claim 14 is characterized in that, the described method that media formats is set to calling terminal is specially: carry out the result that call capabilities consults according to MRBT platform and calling terminal and be provided with; Perhaps be provided with according to the call capabilities rank that is stored in calling terminal in the MRBT platform in advance.
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EP07711058.3A EP2012514B1 (en) 2006-03-10 2007-03-07 A device and system for realizing the multimedia ring back tone service and a method thereof
PCT/CN2007/000737 WO2007104241A1 (en) 2006-03-10 2007-03-07 A device and system for realizing the multimedia ring back tone service and a method thereof
CN2007800002895A CN101317431B (en) 2006-03-10 2007-03-07 Multimedia ringtone platform, method and system for realizing multimedia color ring back tone service
US11/964,075 US8131265B2 (en) 2006-03-10 2007-12-26 System and method for implementing multimedia ring back tone service

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