CN101459872B - Method for updating media after answering by single session customized ring back tone and color video service - Google Patents
Method for updating media after answering by single session customized ring back tone and color video service Download PDFInfo
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Abstract
The invention discloses a method of single dialog color ring and color image business for renewing media after response, which comprises that a color ring service device judges whether to execute color image business after receiving the responding information of the dialog, if the color image business is not executed, a media renegotiation between a calling user and a called user is initiated for updating the media, otherwise, the renegotiation between the calling user and the called user is not initiated. The invention solves the possible problem of simultaneously initiating the renegotiation requirement of a color ring/color image service device of a calling network and a called network in the prior art.
Description
Technical field
The present invention relates to the communications field, more specifically, relate to the method for a kind of single session CRBT and color image generation (using the P-Early-Media technology in a session, to realize CRBT and color image generation) at updating media after answering.
Background technology
IP (Internet Protocol; Network interconnection agreement) IP multimedia subsystem, IMS (IP Multimedia CoreNetwork Subsystem; Be called for short IMS) be a kind of IP-based network framework that proposes by third generation partner program (3rd GenerationPartnership Project is called for short 3GPP), made up one opening and service environment flexibly; Support multimedia application, can abundant multimedia service be provided for the user.
In the IMS business system, key-course separates with operation layer, and key-course does not provide concrete business, and functions such as necessary triggering, route, charging only are provided to operation layer.Service trigger and controlled function are CSCF (Call Session Control Function in the key-course; Be called for short CSCF) accomplish; CSCF is divided into three types of agency's (Proxy-Call Session Control Function is called for short P-CSCF), inquiry (Interrogating) and services (Serving-Call Session Control Function, abbreviation S-CSCF); That wherein take the main responsibility is S-CSCF, and the Interrogating type is optional.Operation layer is to be made up of a series of application servers (Application Server is called for short AS), and concrete business service can be provided.AS can be an independent entity, also may reside among the S-CSCF.Key-course (S-CSCF) calls the business on the AS according to user's CAMEL-Subscription-Information control service trigger, realizes business function.AS and S-CSCF can be referred to as service equipment (Server Equipment is called for short SE).End-to-end equipment in the session is called subscriber equipment (User Equipment, be called for short UE), is responsible for mutual with the user.These functional entitys use SIP (Session Initiation Protocol, session initiation protocol) agreement communication.In needing the business of play multi-media information; Can need the Multimedia Resource Function participation of (Media Resource Function is called for short MRF), MRF is also referred to as media server; Be divided into control section MRFC and medium processing section MRFP; Its control section is responsible for the translation of the SIP signaling of SE and is interpreted as the instruction to MRFP, otherwise perhaps with the response translation of MRFP be interpreted as the SIP signaling of sending to SE, and processing section MRFP is responsible for the transmission and the reception of Media Stream.
Be a kind of business among the IMS to the business of called play multi-media information simultaneously in the call establishment; This business also can be described as color image service; Permission is in calling procedure; Play by the good multimedia messages of the prior customization of calling party to the callee, comprise audio frequency, video, figure and their combination etc., and after the callee replys, stop the multimedia messages broadcast.Be another kind of professional among the IMS to the business of playing multimedia information for calling simultaneously in the call establishment; This business also can be described as Ring Back Tone service; Permission is in calling procedure; Play by the good multimedia messages of the prior customization of callee to the calling party, and after the callee replys, stop the multimedia messages broadcast.
Fig. 1 replys the basic messae flow process figure that the back medium upgrade for existing single session Ring Back Tone service; It is called to have described calling, color ring server in calling procedure to the caller coloring ring back tone playing, after user answer; Color ring server is initiated the situation of media re-negotiation, and its process is following:
Step 101, the UE-A request of making a call, the normal media resource information of carrying UE-A such as sending INVITE (invitation) message, is carried the normal media resource information of UE-A in message body, such as medium type, medium link address, media port number etc.;
Step 102, message travels CRBT service equipment SE, SE transmit and should request give called UE-B;
Step 103, called UE-B shakes bell, responds shake bell message, such as sending " 180 Ringing " message;
Step 104, CRBT service equipment SE reserves the resource of coloring ring back tone playing medium;
Step 105; CRBT service equipment SE sends Temporary Response to UE-A, such as sending " 183Session Progress " message, carries CRBT media resource information; Such as in message body, carrying CRBT medium type, medium link address, media port number etc.; And in message, add the sign of carrying out Ring Back Tone service, such as in message, adding P-Early-Media header field, other values that parameter value is made as non-" supported ";
The sign of above-mentioned execution Ring Back Tone service also can be added on the callee and mail in calling party's the message body of other message, like UPDATE, and PRACK, or " 200 OK " message etc.
Step 106, CRBT service equipment SE is to UE-A coloring ring back tone playing media information;
Step 107, called UE-B answering call is sent response message, such as " 200 OK " message, carries the normal media resource information of UE-B, such as in message body, carrying;
Step 108, response message are by way of SE, and SE stops the playing media information to UE-A, and after the media resource information in the deletion response message, transmit response message;
Step 109, CRBT service equipment SE initiates heavy agreement request to calling UE-A, such as sending re-INVITE message, is not with any media resource information in the message;
Step 110, UE-A receives heavy agreement request, responds and agrees heavy negotiation message, such as sending " 200OK " message, the normal media resource information of carrying UE-A is such as in message body, carrying;
Step 111, SE receives the request that agreement is heavily consulted, and initiates heavy agreement request to UE-B again, such as sending re-INVITE message, the normal media resource information of carrying the UE-A that receives in the step 110;
Step 112, UE-B receives heavy agreement request, responds and agrees heavy negotiation message, such as sending " 200OK " message, the normal media resource information of carrying UE-B is such as in message body, carrying;
Step 113, SE receives the request that agreement is heavily consulted, and sends to UE-A and confirms the heavily request of negotiation, such as sending ACK (affirmation) message, the normal media resource information of carrying the UE-B that receives in the step 112;
Step 114 is set up normal session connection between UE-A and the UE-B.
Fig. 2 replys the basic messae flow process figure that the back medium upgrade for existing single session color image service; It is called to have described calling, the polychrome server in calling procedure to called broadcast polychrome, after user answer; The polychrome server is initiated the situation of media re-negotiation, and its process is following:
Step 201, the UE-A request of making a call, the normal media resource information of carrying UE-A such as sending INVITE (invitation) message, is carried the normal media resource information of UE-A in message body, such as medium type, medium link address, media port number etc.;
Step 202, message travels polychrome service equipment SE, SE reserves the resource of playing the polychrome medium;
Step 203; The media resource information that SE revises in the call request message is the polychrome media resource information of reserving in the step 202; And the sign of in message, adding the execution color image service; Such as in message, adding the P-Early-Media header field, other values that parameter value is made as non-" supported " are transmitted then and should request be given called UE-B;
Step 204, called UE-B shakes bell, responds shake bell message, such as sending " 180 Ringing " message;
Step 205, CRBT service equipment SE transmits shake bell message to UE-A;
Step 206, CRBT service equipment SE is to UE-A coloring ring back tone playing media information;
Step 207, called UE-B answering call is sent response message, such as " 200 OK " message, carries the normal media resource information of UE-B, such as in message body, carrying;
Step 208, response message are by way of SE, and SE stops the playing media information to UE-A, and transmit response message;
Step 209, polychrome service equipment SE initiates heavy agreement request to called UE-B, such as sending re-INVITE message, is not with any media resource information in the message;
Step 210, UE-B receives heavy agreement request, responds and agrees heavy negotiation message, such as sending " 200OK " message, the normal media resource information of carrying UE-B is such as in message body, carrying;
Step 211, SE receives the request that agreement is heavily consulted, and initiates heavy agreement request to UE-A again, such as sending re-INVITE message, the normal media resource information of carrying the UE-B that receives in the step 210;
Step 212, UE-A receives heavy agreement request, responds and agrees heavy negotiation message, such as sending " 200OK " message, the normal media resource information of carrying UE-A is such as in message body, carrying;
Step 213, SE receives the request that agreement is heavily consulted, and sends to UE-B and confirms the heavily request of negotiation, such as sending ACK (affirmation) message, the normal media resource information of carrying the UE-A that receives in the step 212;
Step 214 is set up normal session connection between UE-A and the UE-B.
The weak point of prior art is: when the caller network provides color image service for the called subscriber; And when simultaneously called network provides Ring Back Tone service for the calling subscriber; CRBT/polychrome service equipment in two networks can be initiated heavy agreement request simultaneously, will cause the wasting of resources on the one hand, on the other hand; The direction that the media re-negotiation request that meeting is initiated owing to CRBT/polychrome service equipment is mail to is different, and causes can't restraining of media re-negotiation.
Summary of the invention
The technical problem that the present invention will solve provides a kind of method of single session CRBT and color image generation updating media after answering, and the CRBT/polychrome service equipment of caller network and called network possibly initiated the problem of heavy agreement request simultaneously in the solution prior art.
In order to address the above problem; The invention provides a kind of method of single session CRBT and color image generation updating media after answering; The CRBT service equipment is after receiving the response message of session; Judge whether to have carried out color image service, if do not carry out, then initiation and calling subscriber and called subscriber's media re-negotiation is with new media more; Otherwise do not initiate media re-negotiation with calling subscriber and called subscriber.
Further, set up in the process in session, the polychrome service equipment adds the sign of carrying out color image service in the message that mails to the called subscriber through it, and amended said message is transmitted to the called subscriber through the CRBT service equipment;
The CRBT service equipment judges whether to have carried out color image service according to whether having the sign of carrying out color image service in the above-mentioned called subscriber's of mailing to the message.
Further, the above-mentioned message that mails to the called subscriber through the polychrome service equipment comprises call request message, UPDATE message, PRACK message or 200 OK message.
Further, carrying parameter value in the message body of the sign of said execution color image service through said message does not represent for the P-Early-Media header field of " supported ".
Further, the CRBT service equipment is through sending heavy agreement request initiation and calling subscriber and called subscriber's media re-negotiation, and said heavy agreement request mails to the calling subscriber earlier or mails to the called subscriber earlier; After caller/called subscriber receives said heavy agreement request, respond and agree heavy negotiation message, and in the heavy negotiation message of this agreement, carry caller/called subscriber's normal media resource information.
Further, said heavy agreement request is a re-INVITE message, and does not carry any media resource information in this re-INVITE message.
The present invention also provides a kind of method of single session CRBT and color image generation updating media after answering; The polychrome service equipment is after receiving the response message of session; Judge whether to have carried out Ring Back Tone service, if do not carry out, then initiation and calling subscriber or called subscriber's media re-negotiation is with new media more; Otherwise do not initiate media re-negotiation with calling subscriber and called subscriber.
Further, set up in the process in session, the CRBT service equipment adds the sign of carrying out Ring Back Tone service in the message that mails to the calling subscriber through it, and amended said message is transmitted to the calling subscriber through the polychrome service equipment;
The polychrome service equipment judges whether to have carried out Ring Back Tone service according to whether having the sign of carrying out Ring Back Tone service in the above-mentioned calling subscriber's of mailing to the message.
Further, the above-mentioned message that mails to the calling subscriber through the CRBT service equipment comprises Temporary Response message, UPDATE message, PRACK message or 200 OK message etc.
Further, carrying parameter value in the message body of the sign of said execution Ring Back Tone service through said message does not represent for the P-Early-Media header field of " supported ".
Further, the polychrome service equipment is through sending heavy agreement request initiation and calling subscriber and called subscriber's media re-negotiation, and said heavy agreement request mails to the calling subscriber earlier or mails to the called subscriber earlier; After caller/called subscriber receives said heavy agreement request, respond and agree heavy negotiation message, and in the heavy negotiation message of this agreement, carry caller/called subscriber's normal media resource information.
Further, said heavy agreement request is a re-INVITE message, and does not carry any media resource information in this re-INVITE message.
Description of drawings
Fig. 1 replys the basic flow sheet that the back medium upgrade for existing single session Ring Back Tone service;
Fig. 2 replys the basic flow sheet that the back medium upgrade for existing single session color image service;
Fig. 3 is the basic flow sheet that the back medium upgrade of replying of the embodiment of the invention;
Fig. 4 is replying the basic flow sheet that the back medium upgrade for the embodiment of the invention;
Fig. 5 is the basic flow sheet of the updating media after answering of the embodiment of the invention.
Embodiment
To combine accompanying drawing and embodiment that technical scheme of the present invention is explained in more detail below.
Embodiment one
It is called that present embodiment has been described calling, CRBT/polychrome server in calling procedure to caller/called coloring ring back tone playing/polychrome media information, after user answer; The directly unconditional decision of polychrome service equipment is carried out and is initiated heavy agreement request; Color ring server then judges whether to have carried out color image service earlier, if do not carry out, then initiates heavy agreement request; Otherwise, do not initiate media re-negotiation.
Fig. 3 judges for color ring server in the present embodiment and does not carry out color image service, initiates the situation of heavy agreement request, and its basic procedure is following:
Step 301～307, identical with step 101～107 among Fig. 1;
Step 308; Response message is by way of CRBT SE; CRBT SE stops the playing media information to UE-A; And judge whether the calling party has carried out color image service, whether have parameter value in callee's the message and be not the P-Early-Media header field of " supported " such as judging in the session establishment process to mail to by the calling party, if then decision initiate heavy agreement request;
Step 309, the media resource information in the CRBT SE deletion response message is transmitted response message then;
Step 310, CRBT SE initiates heavy agreement request to called UE-B, such as sending re-INVITE message, is not with any media resource information in the message;
Step 311, UE-B receives heavy agreement request, responds and agrees heavy negotiation message, such as sending " 200OK " message, the normal media resource information of carrying UE-B is such as in message body, carrying;
Step 312, CRBT SE receives the request that agreement is heavily consulted, and initiates heavy agreement request to UE-A again, such as sending re-INVITE message, the normal media resource information of carrying the UE-B that receives in the step 311;
Step 313, UE-A receives heavy agreement request, responds and agrees heavy negotiation message, such as sending " 200OK " message, the normal media resource information of carrying UE-A is such as in message body, carrying;
Step 314, CRBT SE receives the request that agreement is heavily consulted, and sends to UE-B and confirms the heavily request of negotiation, such as sending ACK (affirmation) message, the normal media resource information of carrying the UE-A that receives in the step 313;
Step 315 is set up normal session connection between UE-A and the UE-B.
In the step 310, CRBT SE also can initiate heavy agreement request to UE-A, 110～114 identical among then follow-up step 311～315 and Fig. 1.
Fig. 4 is in the present embodiment, and after user answer, the CRBT service equipment is judged and carried out color image service, then no longer initiates heavy agreement request, and by the situation of polychrome service equipment initiation media re-negotiation, its basic procedure is following:
Step 401, the UE-A request of making a call, the normal media resource information of carrying UE-A such as sending INVITE (invitation) message, is carried the normal media resource information of UE-A in message body, such as medium type, medium link address, media port number etc.;
Step 402, message travels polychrome SE1, polychrome SE1 reserves the resource of playing the polychrome medium;
Step 403; The media resource information that polychrome SE1 revises in the call request message is the polychrome media resource information of reserving in the step 402; And the sign of adding the execution color image service; Such as in message, adding the P-Early-Media header field, other values that parameter value is made as non-" supported " are transmitted then and should request be given called UE-B;
Step 404, message travels CRBT SE2, CRBT SE2 transmit and should request give called UE-B;
Whether having parameter value in the call request message of the step 403 that CRBT SE2 judgement is received is not the P-Early-Media header field of " supported ", and record;
Step 405, called UE-B shakes bell, responds shake bell message, such as sending " 180Ringing " message;
Step 406, CRBT SE2 reserves the resource of coloring ring back tone playing medium;
Step 407; CRBT SE2 sends Temporary Response to UE-A, such as sending " 183SessionProgress " message, carries CRBT media resource information; Such as in message body, carrying CRBT medium type, medium link address, media port number etc.; And in message, add the sign of carrying out Ring Back Tone service, such as in message body, adding P-Early-Media header field, other values that parameter value is made as non-" supported ";
In other embodiment of the present invention, the sign of above-mentioned execution Ring Back Tone service also can be added on the calling party and mail in callee's the message body of other message, like UPDATE, and PRACK, or " 200OK " message etc.
Step 408, Temporary Response message travels polychrome SE1, polychrome SE1 transmits this Temporary Response;
Step 409, CRBT SE2 is to UE-A coloring ring back tone playing media information;
Step 410, polychrome SE1 plays the polychrome media information to UE-B;
Step 411, called UE-B answering call is sent response message, such as " 200 OK " message, carries the normal media resource information of UE-B, such as in message body, carrying;
Step 412, response message are by way of CRBT SE2, and CRBT SE2 stops the playing media information to UE-A, and CRBT SE2 judges whether the calling party has carried out color image service, has carried out color image service if judge, and then heavy agreement request is not initiated in decision;
CRBT SE2 judges whether to have carried out color image service according to record in the step 404, if having parameter value in the call request message not for the P-Early-Media header field of " supported ", then judges and has carried out color image service.
Step 413, the media resource information in the CRBT SE2 deletion response message is transmitted response message then;
Step 414, response message is by way of polychrome SE1, and polychrome SE1 does not make a decision, and heavy agreement request is initiated in directly unconditional decision;
Step 415, polychrome SE1 transmits response message and gives UE-A;
The step of back is for simplify describing, and polychrome SE1 mails to UE-B, and the subsequent message that UE-B mails to polychrome SE1 has been omitted the step of transmitting by way of CRBT SE2.
Step 416, polychrome SE1 initiates heavy agreement request to calling UE-A, such as sending re-INVITE message, is not with any media resource information in the message;
Step 417, UE-A receives heavy agreement request, responds and agrees heavy negotiation message, such as sending " 200OK " message, the normal media resource information of carrying UE-A is such as in message body, carrying;
Step 418, polychrome SE1 receives the request that agreement is heavily consulted, and initiates heavy agreement request to UE-B again, such as sending re-INVITE message, the normal media resource information of carrying the UE-A that receives in the step 416, message travels CRBT SE2;
Step 419, UE-B receives heavy agreement request, responds and agrees heavy negotiation message, such as sending " 200OK " message, the normal media resource information of carrying UE-B is such as in message body, carrying message travels CRBT SE2;
Step 420, polychrome SE1 receives the request that agreement is heavily consulted, and sends to UE-A and confirms the heavily request of negotiation, such as sending ACK (affirmation) message, the normal media resource information of carrying the UE-B that receives in the step 418;
Step 421 is set up normal session connection between UE-A and the UE-B.
Embodiment two
It is called that present embodiment has been described calling, CRBT/polychrome server in calling procedure to caller/called coloring ring back tone playing/polychrome media information, after user answer; The directly unconditional decision of CRBT service equipment is carried out and is initiated heavy agreement request; The polychrome server then judges whether to have carried out Ring Back Tone service earlier, if do not carry out, then initiates heavy agreement request; Otherwise, do not initiate media re-negotiation.
Fig. 5 judges for polychrome server in the present embodiment and does not carry out Ring Back Tone service, initiates the situation of heavy agreement request, and its basic procedure is following:
Step 501～507, identical with step 201～207 of Fig. 2;
Step 508; Response message is by way of polychrome SE; Polychrome SE stops the playing media information to UE-B; And judge whether the callee has carried out Ring Back Tone service, whether have parameter value in calling party's the message and be not the P-Early-Media header field of " supported " such as judging that session sets up in the process to be mail to by the callee, if then decision initiate heavy agreement request;
Step 509, polychrome SE transmits response message;
Step 510, polychrome SE initiates heavy agreement request to calling UE-A, such as sending re-INVITE message, is not with any media resource information in the message;
Step 511, UE-A receives heavy agreement request, responds and agrees heavy negotiation message, such as sending " 200OK " message, the normal media resource information of carrying UE-A is such as in message body, carrying;
Step 512, polychrome SE receives the request that agreement is heavily consulted, and initiates heavy agreement request to UE-B again, such as sending re-INVITE message, the normal media resource information of carrying the UE-A that receives in the step 511;
Step 513, UE-B receives heavy agreement request, responds and agrees heavy negotiation message, such as sending " 200OK " message, the normal media resource information of carrying UE-B is such as in message body, carrying;
Step 514, polychrome SE receives the request that agreement is heavily consulted, and sends to UE-A and confirms the heavily request of negotiation, such as sending ACK (affirmation) message, the normal media resource information of carrying the UE-B that receives in the step 513;
Step 515 is set up normal session connection between UE-A and the UE-B.
In the step 510, polychrome SE also can be earlier initiates heavy agreement request to UE-B, 210～214 identical among then follow-up step 511～515 and Fig. 2.
In the present embodiment, after user answer,, the polychrome service equipment carried out Ring Back Tone service if judging; Then no longer initiate heavy agreement request; But initiate media re-negotiation by the CRBT service equipment, its basic procedure is similar with the flow process among Fig. 4, such as; If polychrome SE1 judges and has parameter value in the Temporary Response message in the step 407 and be not the P-Early-Media header field of " supported "; Then polychrome SE1 will no longer initiate heavy agreement request, and the starting point of follow-up step 416 and 420 message is CRBT SE2, message travels polychrome SE1; The terminal point of the message of step 417 is CRBT SE2, message travels polychrome SE1; The start point/end point of the message of step 418/419 is CRBT SE2.
Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. a single session CRBT and color image generation is characterized in that in the method for updating media after answering,
The CRBT service equipment judges whether the calling subscriber has carried out color image service after the response message of receiving from called subscriber's session, if do not carry out, then initiation and calling subscriber and called subscriber's media re-negotiation is with new media more; Otherwise do not initiate media re-negotiation with calling subscriber and called subscriber; Wherein, set up in the process in session, the polychrome service equipment adds the sign of carrying out color image service in the message that mails to the called subscriber through it, and amended said message is transmitted to the called subscriber through the CRBT service equipment; The CRBT service equipment judges whether to have carried out color image service according to whether having the sign of carrying out color image service in the above-mentioned called subscriber's of mailing to the message.
2. the method for claim 1 is characterized in that,
The message that above-mentioned process polychrome service equipment mails to the called subscriber comprises call request message, UPDATE message, PRACK message or 200OK message.
3. according to claim 1 or claim 2 method is characterized in that, carries parameter value in the message body of the sign of said execution color image service through said message and does not represent for the P-Early-Media header field of " supported ".
4. the method for claim 1 is characterized in that, the CRBT service equipment is through sending heavy agreement request initiation and calling subscriber and called subscriber's media re-negotiation, and said heavy agreement request mails to the calling subscriber earlier or mails to the called subscriber earlier; After caller/called subscriber receives said heavy agreement request, respond and agree heavy negotiation message, and in the heavy negotiation message of this agreement, carry caller/called subscriber's normal media resource information.
5. method as claimed in claim 4 is characterized in that, said heavy agreement request is a re-INVITE message, and does not carry any media resource information in this re-INVITE message.
6. the method for a single session CRBT and color image generation updating media after answering is characterized in that,
The polychrome service equipment judges whether the called subscriber has carried out Ring Back Tone service after the response message of receiving from called subscriber's session, if do not carry out, then initiation and calling subscriber or called subscriber's media re-negotiation is with new media more; Otherwise do not initiate media re-negotiation with calling subscriber and called subscriber; Wherein, set up in the process in session, the CRBT service equipment adds the sign of carrying out Ring Back Tone service in the message that mails to the calling subscriber through it, and amended said message is transmitted to the calling subscriber through the polychrome service equipment; The polychrome service equipment judges whether to have carried out Ring Back Tone service according to whether having the sign of carrying out Ring Back Tone service in the above-mentioned calling subscriber's of mailing to the message.
7. method as claimed in claim 6 is characterized in that, the message that above-mentioned process CRBT service equipment mails to the calling subscriber comprises Temporary Response message, UPDATE message, PRACK message or 200OK message.
8. like claim 6 or 7 described methods, it is characterized in that, carry parameter value in the message body of the sign of said execution Ring Back Tone service through said message and do not represent for the P-Early-Media header field of " supported ".
9. method as claimed in claim 6 is characterized in that, the polychrome service equipment is through sending heavy agreement request initiation and calling subscriber and called subscriber's media re-negotiation, and said heavy agreement request mails to the calling subscriber earlier or mails to the called subscriber earlier; After caller/called subscriber receives said heavy agreement request, respond and agree heavy negotiation message, and in the heavy negotiation message of this agreement, carry caller/called subscriber's normal media resource information.
10. method as claimed in claim 9 is characterized in that, said heavy agreement request is a re-INVITE message, and does not carry any media resource information in this re-INVITE message.
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| CN2008100065941A CN101459872B (en) | 2008-03-13 | 2008-03-13 | Method for updating media after answering by single session customized ring back tone and color video service |
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| CN2008100065941A CN101459872B (en) | 2008-03-13 | 2008-03-13 | Method for updating media after answering by single session customized ring back tone and color video service |
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| CN101459872B true CN101459872B (en) | 2012-02-29 |
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| CN102348165B (en) * | 2010-08-02 | 2014-01-01 | 阿尔卡特朗讯 | Method for supporting broadcast multicast service of access terminal in base station control equipment |
| TWI574540B (en) * | 2014-08-29 | 2017-03-11 | Chunghwa Telecom Co Ltd | Ringing assignment system and its method |
| CN113556429B (en) * | 2018-12-29 | 2022-08-26 | 华为技术有限公司 | Call processing method and device |
| CN115767484B (en) * | 2022-11-07 | 2024-07-09 | 中国联合网络通信集团有限公司 | Call processing method, device, server, system and medium in customer service scene |
| CN117041485B (en) * | 2023-07-21 | 2025-02-07 | 中移互联网有限公司 | Video call method, device, electronic device and storage medium |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101043647A (en) * | 2007-03-13 | 2007-09-26 | 华为技术有限公司 | Method, system and apparatus for realizing multimedia color bell and multimedia color image service |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101043647A (en) * | 2007-03-13 | 2007-09-26 | 华为技术有限公司 | Method, system and apparatus for realizing multimedia color bell and multimedia color image service |
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| CN101459872A (en) | 2009-06-17 |
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