CN101247564B - Method, device and system for implementing multimedia polychrome service on the base of call forwarding service - Google Patents
Method, device and system for implementing multimedia polychrome service on the base of call forwarding service Download PDFInfo
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Abstract
The invention discloses a method for accomplishing multimedia polychrome service based on the call forwarding service, comprising: step S102, a first called user rejects call from the calling user and notifies the calling user through the calling AS of the calling user; step S104, the calling AS receives a first media session description protocol message from the media server and obtains a second media session description protocol message from the calling user; step S106, the calling AS sends the first media session description protocol message and the second media session description protocol message to the second called user through a second AS of the called user; step S108, the second called user negotiates with the media server by the first media session description protocol message and the second media session description protocol message; step S110, on the condition that the negotiation is successful, the media server displays media stream for the second called user. In addition, the invention further discloses a device and system for accomplishing multimedia polychrome service based on the call forwarding service.
Description
Technical field
The present invention relates to the communications field, and especially, relate to a kind of method, device and system that on the Call Forwarding services basis, realizes Multimedia Caller Identification Service.
Background technology
At present, in IP Multimedia System (IMS) territory of more and more paying attention to and promoting rapidly, Ring Back Tone service has bright development prospect, and has derived Multimedia Caller Identification Service.
Multimedia Caller Identification Service is a kind of calling service, if opened should business in caller, when then calling was called, the image that called terminal can be sent network was shown to the called subscriber.This image is to be play by the multimedia file that the calling subscriber sets in advance to produce, and multimedia file can be two types of Voice ﹠ Videos.
IMS is a kind of dialogue-based initializtion protocol (SIP), has merged data, voice and mobile network's system, generally is made up of several parts such as session management and route class, database, service, support entity and chargings.IMS is the real time business on present universal mobile telecommunications system (UMTS) packet-switched domain, its can with IP flexibly professional ability be planted among the mobile communication system, thereby greatly enrich the mobile service generative capacity.
At present, forward-shifting service has appearred in the IMS territory.For call, if signed should business the user be in the state of can't answering, then can automatically speech channel be routed to other numbers (number of signing), wherein, relatively be typically the business of calling forwarding on busy.Yet, signed forward-shifting service at called number not only, calling number has also been signed under the situation of Multimedia Caller Identification Service, when this called number is realized Call Forwarding, can't realize color image service to the user that calling is transferred to.
At present, the technical scheme that can address this problem is proposed as yet.
Summary of the invention
Consider the problems referred to above and make the present invention, for this reason, main purpose of the present invention is to provide a kind of realization mechanism of Multimedia Caller Identification Service, to solve the problem that can't realize color image service in the correlation technique when carrying out Call Forwarding.
According to embodiments of the invention, a kind of method that realizes Multimedia Caller Identification Service on the Call Forwarding services basis is provided, and second called subscriber who is used for commentaries on classics before first called subscriber carries out under the situation of Call Forwarding first called subscriber signed realizes Multimedia Caller Identification Service.
This method comprises: step S102, and first called subscriber refuses calling subscriber's calling, and passes through calling subscriber's caller application server subscriber call; Step S104, the caller application server receives and describes protocol message from first media session of media server, and obtains from calling subscriber's second media session and describe protocol message; Step S106, the caller application server is described protocol message and second media session with first media session and is described protocol message and send to second called subscriber via second called subscriber's second application server; Step S108, second called subscriber utilize first media session to describe protocol message and second media session is described protocol message and media server carries out media negotiation; And step S110, under the media negotiation case of successful, media server is to second called subscriber's media stream.
Wherein, described caller application server reception among the step S104 is described protocol message from first media session of media server and is specially: the caller application server sends first invitation message to the color image service server, carries the color image service access code in first invitation message; In response to first invitation message, the color image service server is transmitted to media server with second invitation message, wherein, carries the color image service access code in second invitation message; Media server is described protocol message with first media session and is sent to the caller application server via the color image service server.
And step S110 is specially: under the media negotiation case of successful, second called subscriber obtains negotiation result, and negotiation result is sent to the caller application server via second application server and first called subscriber's first application server; The caller application server is to color image service server requests media stream; The color image service server is informed media server with the file path of Media Stream, and media server is according to the path media stream.
In addition, in step S106, second called subscriber's number in the Call Forwarding services that the caller application server is signed according to first called subscriber is described protocol message and second media session with first media session and is described protocol message and send to second called subscriber.
In addition, after step S110, can further comprise: the second called subscriber answer calling subscriber's calling, the caller application server stops media stream to the media server request.
According to another embodiment of the present invention, a kind of device of realizing Multimedia Caller Identification Service on the Call Forwarding services basis is provided, and second called subscriber who is used for commentaries on classics before first called subscriber carries out under the situation of Call Forwarding first called subscriber signed realizes Multimedia Caller Identification Service.
This device comprises: notification module, be positioned at first called subscriber, and be used for first called subscriber is refused the caller application server subscriber call of calling subscriber's calling by the calling subscriber; Acquisition module, first media session that is used to receive from media server is described protocol message, and obtains from calling subscriber's second media session and describe protocol message; Sending module is positioned at the caller application server, is used for that first media session that is obtained by acquisition module is described protocol message and second media session and describes protocol message and send to second called subscriber via second called subscriber's second application server; Negotiation module is used to utilize first media session to describe protocol message and second media session is described protocol message and media server carries out media negotiation; And playing module, be positioned at media server, be used under the media negotiation case of successful second called subscriber's media stream.
Wherein, acquisition module obtains first media session and describes the processing of protocol message and be specially: acquisition module sends first invitation message to the color image service server, carries the color image service access code in first invitation message; In response to first invitation message, the color image service server is transmitted to media server with second invitation message, wherein, carries the color image service access code in second invitation message; Media server is described protocol message with first media session and is sent to acquisition module via the color image service server.
And, the processing of playing module media stream is specially: under the media negotiation case of successful, second called subscriber obtains negotiation result, and negotiation result is sent to the caller application server via second application server and first called subscriber's first application server; The caller application server is to color image service server requests media stream; The color image service server is informed the playing module of media server with the file path of Media Stream, and playing module is according to the path media stream.
In addition, second called subscriber's number in the Call Forwarding services that sending module is signed according to first called subscriber is described protocol message and second media session with first media session and is described protocol message and send to second called subscriber.
In addition, this device can further comprise: stop request module, be used for stopping media stream to the playing module request when the second called subscriber answer calling subscriber's calling.
According to still a further embodiment, a kind of system that realizes Multimedia Caller Identification Service on the Call Forwarding services basis is provided, and second called subscriber who is used for commentaries on classics before first called subscriber carries out under the situation of Call Forwarding first called subscriber signed realizes Multimedia Caller Identification Service.
This system comprises: core net, be used under first called subscriber refuses calling subscriber's the situation of calling, calling out second called subscriber, reception is described protocol message from first media session of media server, and obtain from calling subscriber's second media session and describe protocol message, and first media session is described protocol message and second media session describe protocol message and send to second called subscriber; Media server, be used for that first media session is described protocol message and send to core net, and utilize first media session to describe protocol message and second media session second called subscriber and describe protocol message and carry out media negotiation success back to second called subscriber's media stream.
Wherein, core net can further comprise calling subscriber's caller application server, first called subscriber's first application server, second called subscriber's second application server, wherein, the caller application server is given the calling subscriber with the call notification that first called subscriber refuses the calling subscriber; The caller application server receives and describes protocol message from first media session of media server, and obtains from calling subscriber's second media session and describe protocol message; The caller application server is described protocol message and second media session with first media session and is described protocol message and send to second called subscriber via second application server.
And when media stream, if the second called subscriber answer calling subscriber's calling, the caller application server stops media stream to the media server request.
In addition, this system can further comprise the color image service server, and wherein, core net sends first invitation message to the color image service server, carries the color image service access code in first invitation message; In response to first invitation message, the color image service server is transmitted to media server with second invitation message, wherein, carries the color image service access code in second invitation message; Media server is described protocol message with first media session and is sent to core net via the color image service server.
And core net also is used to be received in the negotiation result that second called subscriber obtains under the media negotiation case of successful, and to color image service server requests media stream.
By technique scheme of the present invention, can under the situation of carrying out Call Forwarding, realize Multimedia Caller Identification Service, thereby satisfy client's demand the called subscriber who preceding forwards to, improve user experience.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the method for Multimedia Caller Identification Service that realizes on the Call Forwarding services basis of the inventive method embodiment;
Fig. 2 is the signaling process figure according to the processing example of the method for the inventive method embodiment;
Fig. 3 is the block diagram of realizing the device of Multimedia Caller Identification Service on the Call Forwarding services basis according to apparatus of the present invention embodiment; And
Fig. 4 is the block diagram of the system of Multimedia Caller Identification Service that realizes on the Call Forwarding services basis of system according to the invention embodiment.
Embodiment
Method embodiment
In the present embodiment, a kind of method that realizes Multimedia Caller Identification Service on the Call Forwarding services basis is provided, and second called subscriber who is used for commentaries on classics before first called subscriber carries out under the situation of Call Forwarding first called subscriber signed realizes Multimedia Caller Identification Service.It can make forwarded calls to next called (second called subscriber) can watch or listen to corresponding multi-medium color, thereby realize calling forwarding on busy professional and Multimedia Caller Identification Service is nested.
As shown in Figure 1, the method that realizes Multimedia Caller Identification Service on the Call Forwarding services basis according to present embodiment comprises: step S102, first called subscriber refuses calling subscriber's calling, and passes through calling subscriber's caller application server (AS) subscriber call; Step S104, caller AS receives and describes protocol message from first media session of media server, and obtains from calling subscriber's second media session and describe protocol message; Step S106, caller AS describes protocol message and second media session with first media session and describes protocol message and send to second called subscriber via second called subscriber's the 2nd AS; Step S108, second called subscriber utilize first media session to describe protocol message and second media session is described protocol message and media server carries out media negotiation; And step S110, under the media negotiation case of successful, media server is to second called subscriber's media stream.
Wherein, step S104 is specially: caller AS sends first invitation message to the color image service server, wherein, carries the color image service access code in first invitation message; In response to first invitation message, the color image service server is transmitted to media server with second invitation message, wherein, carries this color image service access code in second invitation message; Media server is described protocol message with first media session and is sent to caller AS via the color image service server.
And step S110 is specially: under the media negotiation case of successful, second called subscriber obtains negotiation result, and negotiation result is sent to caller AS via the 2nd AS and first called subscriber's a AS; Caller AS is to color image service server requests media stream; The color image service server is informed media server with the file path of Media Stream, and media server is according to the path media stream.
In addition, in step S106, second called subscriber's number in the Call Forwarding services that caller AS signs according to first called subscriber is described protocol message and second media session with first media session and is described protocol message and send to second called subscriber.
Further, after step S110, can further comprise: the second called subscriber answer calling subscriber's calling, caller AS stops media stream to the media server request.
Wherein, caller AS, an AS, the 2nd AS are equipment of the core network, these three servers can be considered as core net, and the performing step of this method is as follows:
(a) core net is received the first called busy message of rejection;
(b) core net is judged the first called business of calling forwarding on busy of having signed, call out second called, and being connected of foundation and color image service server;
(c) trigger business on the color image service server, carry out the polychrome playing flow;
(d) second called the listening to/the watch multi-medium color of broadcast.
According to method provided by the invention, step (b) can further comprise:
(b1) AS inquiry CAMEL-Subscription-Information in the equipment of the core network is found the first called business of calling forwarding on busy of having signed;
(b2) caller AS sends out Invite message and gives the color image service server, has the color image service access code in the message;
(b3) caller AS sends out Invite message and gives the first called AS;
(b4) AS sends out Invite message and gives the 2nd AS according to the transferred number of the first called signing.
Wherein, step c) can further comprise:
(c1) the color image service server triggers color image service according to the color image service access code;
(c2) carry out the media server and second called subscriber's media negotiating process;
(c3) media negotiation finishes, beginning play multimedia polychrome.
Fig. 2 is the detailed process flow chart when reality realizes this method.Wherein, omitted calling first called, first calledly watch or listen to the flow process that ring-back tone is listened in multi-medium color and caller.As shown in Figure 2, specifically comprise following processing procedure:
The calling of step 21: called UE _ B (corresponding to the first above-mentioned called subscriber) rejection UE_A (corresponding to above-mentioned calling subscriber), UE_B sends 603 decline message to AS_B (corresponding to an above-mentioned AS);
Step 22:AS_B sends out ACK message and gives UE_B, and 603 decline message have been received in expression;
Step 23-24:AS_B inquires about CAMEL-Subscription-Information, finds that B has signed the divert when busy business, sends out 181 message and gives UE_A, and the notice calling terminal triggers forward-shifting service, through AS_A;
Step 25:AS_A (corresponding to above-mentioned caller AS) sends Invite message to the color image service server, has the color image service access code in the Invite message;
Step 26: the color image service server is sent out Invite message and is given media server, begins to carry out media negotiation;
Step 27: media server returns 183 message and gives the color image service server, wherein has the medium sdpD of media server;
Step 28: the color image service server sends 183 message to AS_A, wherein has the medium sdpD (describing protocol message corresponding to above-mentioned first media session) of media server;
Step 29: owing to change message before receiving 181, AS_A sends Invite message to AS_B, the medium sdpA (describing protocol message) and the media server medium sdpD that indicates into early-session (early-session) that wherein have caller IMS client corresponding to above-mentioned second media session, expression has the preceding commentaries on classics of color image service;
The transferred number that step 210:AS_B signs according to user B is sent out Invite message and is given AS_C, has the medium sdpA and the media server medium sdpD that indicates into early-session (early-session) of caller IMS client;
Step 211:AS_C (corresponding to above-mentioned the 2nd AS) gives UE_C (corresponding to above-mentioned second called subscriber) with the Invite forwards, has sdpA and sdpD (being designated the sdpD of early-session);
Step 212:UE_C receives Invite message, through with twice media negotiation of sdpA and sdpD, return 183 message and give AS_C, message has media negotiation, and sdpA ' and sdpD ' be (early-session) as a result;
Step 213:AS_C gives AS_B with 183 forwards, and sdpA ' and sdpD ' be (early-session) as a result to have media negotiation;
Step 214:AS_B sends 183 message to AS_A, and sdpA ' and sdpD ' be (early-session) as a result to have media negotiation;
Step 215:AS_A changes to Update message with 183 message and issues UE_A, is used as more new media, has media negotiation sdpA ' as a result in the message;
Step 216:UE_A returns 200OK (to the response of Update message) and gives AS_A, and the media negotiation result has been received in expression;
Step 217:AS_A sends PRACK message to the color image service server, has media negotiation sdpD ' as a result;
Step 218: the color image service server sends PRACK message to media server, has media negotiation sdpD ' as a result;
Step 219: media server is received PRACK message, and media negotiation finishes, and returns 200OK message (to the response of PRACK message) and gives the color image service server;
Step 220: color image service server forwards 200OK message (to the response of PRACK message) is given AS_A;
Step 221: because media negotiation finishes, media server returns 200OK message (to the response of Invite message);
Step 222: the color image service server is transmitted to AS_A with 200OK message (to the response of Invite message);
Step 223:AS_A receives 200OK message, issues color image service server A CK message authentication;
Step 224: the color image service server is transmitted to media server with the ACK acknowledge message;
Step 225:AS_A sends PRACK message to AS_B;
Step 226-227:AS_B sends PRACK message to UE_C, through AS_C;
Step 228-229:UE_C returns 200OK message (to the response of PRACK message) to AS_B, through AS_C;
Step 230:AS_B returns 200OK message (to the response of PRACK message) to AS_A;
Step 231-233:UE_C sends out 180 message to AS_A, through AS_C, AS_B; UE_C begins to prepare receiving media stream, prepares ring;
Step 234:AS_A sends out 180 message and gives UE_A, and UE_A listens ring-back tone;
Step 235-238:UE_A sends out PRACK message and gives UE_C, through AS_A, AS_B, AS_C;
Step 239-242:UE_C returns 200_OK message (to the response of PRACK message) and gives UE_A, through AS_C, AS_B, AS_A;
Step 243:AS_A sends INFO to the color image service server, the request playing media;
Step 244: the color image service server sends INFO to media server, wherein has the media file path;
Step 245: media server begins the playing media to UE_C according to media negotiation result and media file path, and the calling subscriber begins to listen to/watch multi-medium color; Media server also returns 200OK message (to the response of INFO) and gives the color image service server;
Step 246: the color image service server returns 200OK message (to the response of INFO) and gives AS_A;
Step 247:UE_C replys, and sends out 200OK message (to the response of Invite message) to AS_C;
Step 248-249:AS_C is transmitted to AS_A with 200OK message (to the response of Invite message), through AS_B;
Step 250:AS_A sends BYE message to the color image service server, requires to stop to play polychrome and call release;
Step 251: the color image service server is given media server with the BYE forwards;
Step 252: media server stops playing media, and polychrome finishes; Call release, and return 200OK message (to the response of BYE message) and give the color image service server;
Step 253: color image service server forwards 200OK message (to the response of BYE message) is given AS_A;
Step 254:AS_A transmits 200OK message (to the response of Invite message) and gives UE_A;
Step 255-258:UE_A sends the ACK acknowledge message to UE_C, through AS_A, AS_B and AS_C; UE_A and UE_C begin conversation.
Should be noted that sdpA, the sdpD, sdpA ' and the sdpD ' that occur only are the message name that is provided with for purpose clearly in above-mentioned processing, wherein, can think that sdpA ' is the negotiation result of sdpA, the sdpD ' negotiation result for sdpD.
Device embodiment
In the present embodiment, a kind of device of realizing Multimedia Caller Identification Service on the Call Forwarding services basis is provided, and second called subscriber who is used for commentaries on classics before first called subscriber carries out under the situation of Call Forwarding first called subscriber signed realizes Multimedia Caller Identification Service.
As shown in Figure 3, the device of realizing Multimedia Caller Identification Service on the Call Forwarding services basis according to present embodiment comprises: notification module 302, be positioned at first called subscriber, be used for first called subscriber is refused the caller AS subscriber call of calling subscriber's calling by the calling subscriber; Acquisition module 304, first media session that is used to receive from media server is described protocol message, and obtains from calling subscriber's second media session and describe protocol message; Sending module 306 is positioned at caller AS, is used for that first media session that is obtained by acquisition module is described protocol message and second media session and describes protocol message and send to second called subscriber via second called subscriber's the 2nd AS; Negotiation module 308 is used to utilize first media session to describe protocol message and second media session is described protocol message and media server carries out media negotiation; And playing module 310, be positioned at media server, be used under the media negotiation case of successful second called subscriber's media stream.
Wherein, acquisition module 304 obtains first media session and describes the processing of protocol message and be specially: acquisition module 304 sends first invitation message to the color image service server, wherein, carries the color image service access code in first invitation message; In response to first invitation message, the color image service server is transmitted to media server with invitation message, wherein, carries this color image service access code in described second invitation message; Media server is described protocol message with first media session and is sent to acquisition module 304 via the color image service server.
Wherein, the processing of playing module 310 media stream is specially: under the media negotiation case of successful, second called subscriber obtains negotiation result, and negotiation result is sent to caller AS via the 2nd AS and an AS; Caller AS is to color image service server requests media stream; The color image service server is informed the playing module 310 of media server with the file path of Media Stream, and playing module 310 is according to the path media stream.
In addition, second called subscriber's number in the Call Forwarding services that sending module 306 is signed according to first called subscriber is described protocol message and second media session with first media session and is described protocol message and send to second called subscriber.
Further, this device can further comprise: stop request module, be used for stopping media stream to the playing module request when the second called subscriber answer calling subscriber's calling.
System embodiment
Again in the present embodiment, a kind of system that realizes Multimedia Caller Identification Service on the Call Forwarding services basis is provided, and second called subscriber who is used for commentaries on classics before first called subscriber carries out under the situation of Call Forwarding first called subscriber signed realizes Multimedia Caller Identification Service.
As shown in Figure 4, the system that realizes Multimedia Caller Identification Service on the Call Forwarding services basis according to present embodiment comprises: core net 402, be used under first called subscriber refuses calling subscriber's the situation of calling, calling out second called subscriber, reception is described protocol message from first media session of media server, and obtain from calling subscriber's second media session and describe protocol message, and first media session is described protocol message and second media session describe protocol message and send to second called subscriber; Media server 404, be used for that first media session is described protocol message and send to core net, and utilize first media session to describe protocol message and second media session second called subscriber and describe protocol message and carry out media negotiation success back to second called subscriber's media stream.
Wherein, core net 402 can further comprise calling subscriber's caller AS (AS_A), first called subscriber's a AS (AS_B), second called subscriber's application server (AS_C) of second called subscriber, wherein, caller AS gives the calling subscriber with the call notification that first called subscriber refuses the calling subscriber, reception is described protocol message from first media session of media server, and obtains from calling subscriber's second media session and describe protocol message; Caller AS also describes first media session protocol message and second media session and describes protocol message and send to second called subscriber via the 2nd AS.
And when media stream, if the second called subscriber answer calling subscriber's calling, caller AS stops media stream to the media server request.
In addition, this system can further comprise the color image service server, and wherein, core net sends first invitation message to the color image service server, carries the color image service access code in first invitation message; In response to first invitation message, the color image service server is transmitted to media server with second invitation message, wherein, carries the color image service access code in second invitation message; Media server is described protocol message with first media session and is sent to core net via the color image service server.
And core net also is used for negotiation result that second called subscriber under the media negotiation case of successful is obtained, and to color image service server requests media stream.
Wherein, in the middle of practical application, the color image service server is mainly used in the service logic control of finishing IMS territory color image service, finish the preservation and the inquiry of business datum, finish control to media server, also need to provide the interface with the WEB server, with the custom-modification that allows operator or terminal use that the business datum of color image service server is authorized;
And above-mentioned media server (NFS) is mainly used in and finishes and color image service server controls Signalling exchange, finishes according to the broadcast of preassigned pattern to audio/video file, and its NFS that has finishes the storage to the system that uploads/group's polychrome resource file;
Above-mentioned AS is an equipment of the core network, and core net also can mainly comprise HSS, PSS, CSCF.Particularly, HSS is responsible for preserving IMS user's CAMEL-Subscription-Information, comprises data such as basic identification, routing iinformation; PSS is responsible for the core control logic of IMS system; CSCF is responsible for the basic session routing function.
As shown in Figure 4, except color image service server, media server, AS, realize comprising according to busy call forward of the present invention and required module that relates to of multi-medium color nested service and interface thereof:
The polychrome center comprises polychrome WEB server, polychrome interface message processor (IMP), above-mentioned color image service server and above-mentioned media server (NFS);
Polychrome WEB server, the polychrome system provides operator, group or user's interface in the WEB mode.Main be responsible for system manager/SP keeper/group management by the color image service data carry out custom-modification, the polychrome file is uploaded; And responsible polychrome user carries out audition/try polychrome, operation such as order, be provided with;
The polychrome interface message processor (IMP) comprises that mainly polychrome core interface machine, polychrome file upload parts such as interface message processor (IMP) and short message interface machine.The audition that polychrome core interface machine carries out the user, operation such as order, be provided with and send to the polychrome management service and handle, the polychrome file is uploaded interface message processor (IMP) will send to NFS (the polychrome Resource Server of media server by the polychrome file that WEB uploads, linux system), the short message interface machine is with polychrome system access short message center.
In sum,, can under the situation of carrying out Call Forwarding, realize Multimedia Caller Identification Service, thereby satisfy client's demand, improve user experience the called subscriber who preceding forwards to by means of technical scheme of the present invention.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. method that on the Call Forwarding services basis, realizes Multimedia Caller Identification Service, second called subscriber who is used for changeing before first called subscriber carries out under the situation of Call Forwarding described first called subscriber signed realizes Multimedia Caller Identification Service, it is characterized in that described method comprises:
Step S102, described first called subscriber refuses calling subscriber's calling, and notifies described calling subscriber by described calling subscriber's caller application server;
Step S104, described caller application server receives and describes protocol message from first media session of media server, and obtains from described calling subscriber's second media session and describe protocol message;
Step S106, described caller application server is described protocol message and described second media session with described first media session and is described protocol message and send to described second called subscriber via described second called subscriber's second application server;
Step S108, described second called subscriber utilize described first media session to describe protocol message and described second media session describes protocol message and described media server carries out media negotiation; And
Step S110, under described media negotiation case of successful, described media server is to described second called subscriber's media stream.
2. method according to claim 1 is characterized in that, the described caller application server reception among the described step S104 is described protocol message from first media session of media server and is specially:
Described caller application server sends first invitation message to the color image service server, wherein, carries the color image service access code in described first invitation message;
In response to described first invitation message, described color image service server is transmitted to described media server with second invitation message, wherein, carries described color image service access code in described second invitation message;
Described media server is described protocol message with described first media session and is sent to described caller application server via described color image service server.
3. method according to claim 2 is characterized in that, described step S110 is specially:
Under described media negotiation case of successful, described second called subscriber obtains negotiation result, and described negotiation result is sent to described caller application server via described second application server and described first called subscriber's first application server;
Described caller application server is play described Media Stream to described color image service server requests;
Described color image service server is informed described media server with the file path of described Media Stream, and described media server is play described Media Stream according to described path.
4. method according to claim 1, it is characterized in that, in described step S106, second called subscriber's number in the Call Forwarding services that described caller application server is signed according to described first called subscriber is described protocol message and described second media session with described first media session and is described protocol message and send to described second called subscriber.
5. according to each described method in the claim 1 to 4, it is characterized in that, after described step S110, further comprise:
The described calling subscriber's of described second called subscriber answer calling, described caller application server stops to play described Media Stream to described media server request.
6. device of on the Call Forwarding services basis, realizing Multimedia Caller Identification Service, second called subscriber who is used for changeing before first called subscriber carries out under the situation of Call Forwarding described first called subscriber signed realizes Multimedia Caller Identification Service, it is characterized in that described device comprises:
Notification module is positioned at described first called subscriber, and the calling that is used for described first called subscriber is refused the calling subscriber is notified described calling subscriber by described calling subscriber's caller application server;
Acquisition module, first media session that is used to receive from media server is described protocol message, and obtains from described calling subscriber's second media session and describe protocol message;
Sending module, be positioned at described caller application server, be used for that described first media session that is obtained by described acquisition module is described protocol message and described second media session and describe protocol message and send to described second called subscriber via described second called subscriber's second application server;
Negotiation module is used to utilize described first media session to describe protocol message and described second media session describes protocol message and described media server carries out media negotiation; And
Playing module is positioned at described media server, is used under described media negotiation case of successful described second called subscriber's media stream.
7. device according to claim 6 is characterized in that, described acquisition module obtains the processing that described first media session describes protocol message and is specially:
Described acquisition module sends first invitation message to the color image service server, carries the color image service access code in described first invitation message;
In response to described first invitation message, described color image service server is transmitted to described media server with second invitation message, wherein, carries described color image service access code in described second invitation message;
Described media server is described protocol message with described first media session and is sent to described acquisition module via described color image service server.
8. device according to claim 7 is characterized in that, the processing that described playing module is play described Media Stream is specially:
Under described media negotiation case of successful, described second called subscriber obtains negotiation result, and described negotiation result is sent to described caller application server via described second application server and described first called subscriber's first application server;
Described caller application server is play described Media Stream to described color image service server requests;
Described color image service server is informed the playing module of described media server with the file path of described Media Stream, and described playing module is play described Media Stream according to described path.
9. according to each described device in the claim 6 to 8, it is characterized in that, second called subscriber's number in the Call Forwarding services that described sending module is signed according to described first called subscriber is described protocol message and described second media session with described first media session and is described protocol message and send to described second called subscriber.
10. according to each described device in the claim 6 to 8, it is characterized in that, further comprise:
Stop request module, be used for when the described calling subscriber's of described second called subscriber answer calling, stopping to play described Media Stream to described playing module request.
11. system that on the Call Forwarding services basis, realizes Multimedia Caller Identification Service, second called subscriber who is used for changeing before first called subscriber carries out under the situation of Call Forwarding described first called subscriber signed realizes Multimedia Caller Identification Service, it is characterized in that described system comprises:
Core net, be used under described first called subscriber refuses calling subscriber's the situation of calling, calling out described second called subscriber, reception is described protocol message from first media session of media server, and obtain from described calling subscriber's second media session and describe protocol message, and described first media session is described protocol message and described second media session describe protocol message and send to described second called subscriber;
Media server, be used for that described first media session is described protocol message and send to described core net, and utilize described first media session to describe protocol message and described second media session described second called subscriber and describe protocol message and carry out media negotiation success back to described second called subscriber's media stream.
12. system according to claim 11, it is characterized in that, described core net further comprises described calling subscriber's caller application server, described first called subscriber's first application server, described second called subscriber's second application server, wherein
Described caller application server is given described calling subscriber with the call notification that described first called subscriber refuses described calling subscriber;
Described caller application server receives and describes protocol message from first media session of media server, and obtains from described calling subscriber's second media session and describe protocol message;
Described caller application server is described protocol message and described second media session with described first media session and is described protocol message and send to described second called subscriber via described second application server.
13. system according to claim 12 is characterized in that, when playing described Media Stream, if the described calling subscriber's of described second called subscriber answer calling, described caller application server stops to play described Media Stream to described media server request.
14. system according to claim 11 is characterized in that, further comprises the color image service server, wherein,
Described core net sends first invitation message to described color image service server, carries the color image service access code in described first invitation message;
In response to described first invitation message, described color image service server is transmitted to described media server with second invitation message, wherein, carries described color image service access code in described second invitation message;
Described media server is described protocol message with described first media session and is sent to described core net via described color image service server.
15. system according to claim 14 is characterized in that, described core net also is used to be received in the negotiation result that described second called subscriber obtains under the described media negotiation case of successful, and plays described Media Stream to described color image service server requests.
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| CN102055741B (en) * | 2009-11-06 | 2013-08-14 | 华为终端有限公司 | Method, equipment and system of negotiating media session |
| CN101867866B (en) * | 2010-06-09 | 2015-04-01 | 中兴通讯股份有限公司 | Multi-intelligent service nested triggering method and system |
| CN102137080B (en) * | 2010-06-30 | 2014-09-03 | 华为技术有限公司 | Method, device and system for cross-platform conference convergence |
| CN115941778A (en) * | 2021-08-04 | 2023-04-07 | 中国移动通信有限公司研究院 | Method, device and storage medium for providing service |
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| US20070263814A1 (en) * | 2006-03-17 | 2007-11-15 | Cisco Technology, Inc. | System and method for employing state information to enhance network functionality |
| CN101083833A (en) * | 2006-06-02 | 2007-12-05 | 华为技术有限公司 | Terminal and method for realizing seamless switching among different communication network |
| CN101090420A (en) * | 2007-08-06 | 2007-12-19 | 中兴通讯股份有限公司 | Implementing method and system for IMS field calling preswitch when busy and opera browser nested service |
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| US20070263814A1 (en) * | 2006-03-17 | 2007-11-15 | Cisco Technology, Inc. | System and method for employing state information to enhance network functionality |
| CN101083833A (en) * | 2006-06-02 | 2007-12-05 | 华为技术有限公司 | Terminal and method for realizing seamless switching among different communication network |
| CN101090420A (en) * | 2007-08-06 | 2007-12-19 | 中兴通讯股份有限公司 | Implementing method and system for IMS field calling preswitch when busy and opera browser nested service |
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