CN101662736B - Method for processing early media negotiation failure, associated equipment and communication system - Google Patents
Method for processing early media negotiation failure, associated equipment and communication system Download PDFInfo
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- CN101662736B CN101662736B CN 200810210544 CN200810210544A CN101662736B CN 101662736 B CN101662736 B CN 101662736B CN 200810210544 CN200810210544 CN 200810210544 CN 200810210544 A CN200810210544 A CN 200810210544A CN 101662736 B CN101662736 B CN 101662736B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/42017—Customized ring-back tones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2203/00—Aspects of automatic or semi-automatic exchanges
- H04M2203/20—Aspects of automatic or semi-automatic exchanges related to features of supplementary services
- H04M2203/2066—Call type detection of indication, e.g. voice or fax, mobile of fixed, PSTN or IP
Abstract
The invention relates to the technical field of communication and discloses a method for processing an early media negotiation failure, associated equipment and a communication system. The associated equipment comprises user equipment and a polyphonic ringtone server. The method for processing an early media negotiation failure comprises the following steps: receiving a reliable provisional response from the polyphonic ringtone server; carrying out early media negotiation; sending a response message which responds to the reliable provisional response to the polyphonic ringtone server; and if the early media negotiation is failed, comprising a failed mark of the early media negotiation in the response message. By using the technical scheme provided by the embodiment of the invention, when the early media negotiation is failed, a normal conversation between calling user equipment and called use equipment can be established.
Description
Technical field
The present invention relates to communication technical field, disclose method for processing early media negotiation failure and relevant device, communication system.
Background technology
Audible ringing tone service is that a kind of personalized handset that rises gradually in recent years is professional, also be CRBT (CRT:Ring Back Tone), audible ringing tone service refers to can hear colourful music or audio when calling is called, with replace the traditional ringback sound uninteresting " too ... " sound.Multimedia color ring back tone (MCRT:Multimedia Ring Back Tone) is the enhancing to common Ring Back Tone service.It is when 3-G (Generation Three mobile communication system) (3G) mobile subscriber dials visual telephone (VP:Video Phone), and before conversation, the calling subscriber watches a kind of business of multimedia video CRBT.
Customized Ring Back Tone in the IMS territory (CRBT:Customized Ring Back Tone) business is existing a kind of technology that realizes multimedia color ring back tone, and its main flow process is as follows:
The calling subscriber equipment transmission is given called subscriber equipment with the connection request (INVITE) of session request (offer), and connection request has passed through service call session control function entity (S-CSC-FE:Serving Call Session Control Functional Entity) and Customized Ring Back Tone application server functionality entity (CRBT AS-FE:CRBT Application Server FunctionalEntity) between the arrival called subscriber equipment; Wherein, connection request is through service call session control function entity the time, carried out corresponding policy filtering, then be routed to Customized Ring Back Tone application server functionality entity, Customized Ring Back Tone application server functionality entity will send to called subscriber equipment with the INVITE request of offer.Early-session (early-session) option-tag and reliable Temporary Response sign (100rel) option-tag have been comprised in the support of connection request (supported) header field.
Called subscriber equipment has received with after the INVITE of the offer request, produces and sends reliable Temporary Response and initiate early media negotiation, and reliable Temporary Response can be that middle response message (183 response message) is carried out in session.Reliable Temporary Response at first arrives Customized Ring Back Tone application server functionality entity.If Customized Ring Back Tone application server functionality entity is found calling subscriber equipment and is supported early-session, and called subscriber equipment has customized personalized ring back tone service, Customized Ring Back Tone application server functionality entity sends INVITE and asks to the multimedia color ring back tone platform, after the successful processing response message of request (200OK) that has received the transmission of multimedia color ring back tone platform, this response message comprises Customized Ring Back Tone request (CRBToffer), Customized Ring Back Tone application server functionality entity will comprise that by service call session control function entity the reliable Temporary Response of answer and CRBT offer is to calling subscriber equipment, wherein, carry the media protocol type of Early media among the Customized Ring Back Tone offer.
Calling subscriber equipment is replied reliable Temporary Response with reliable Temporary Response, and this reliable Temporary Response can be to carry Temporary Response affirmation (PRACK) message that Customized Ring Back Tone is replied (CRBT answer); Temporary Response arrives Customized Ring Back Tone application server functionality entity reliably, Customized Ring Back Tone application server functionality entity is initiated follow-up polyphonic ringtone playing flow process and the negotiation flow process of normal conversation, and stops the polyphonic ringtone playing flow process behind the called subscriber equipment off-hook; After CRBT stopped to play, calling subscriber equipment and called subscriber equipment just can carry out the conversation on video telephone of RTP (RTP:Real-time TransportProtocol).
In the research and practice to prior art; the inventor finds that there is following defective at least in above-mentioned prior art: in early days in the media consultation process; if because calling subscriber equipment is not when supporting that the reason such as the not enough or network failure of the media resource of the multi-media protocol type of being correlated with or calling subscriber equipment causes early media negotiation failure; the application server functionality entity can not receive the Temporary Response affirmation that calling subscriber equipment sends; thereby can not initiate the negotiation of normal conversation, cause the normal talking between calling subscriber equipment and the called subscriber equipment to set up.
Summary of the invention
The embodiment of the invention provides method for processing early media negotiation failure and relevant device, communication system, the technical scheme of using the embodiment of the invention to provide, during media negotiation failure, can set up the normal talking between calling subscriber equipment and the called subscriber equipment in early days.
The purpose of the embodiment of the invention is achieved through the following technical solutions:
The embodiment of the invention provides a kind of method for processing early media negotiation failure, comprising:
Subscriber equipment receives the reliable Temporary Response from color ring server;
Described subscriber equipment carries out the negotiation of Early media;
Described subscriber equipment sends the response message of the described reliable Temporary Response of response to color ring server, if early media negotiation failure, described response message comprises the sign of early media negotiation failure, the described response message that sends is the conversation initialized protocol signaling message, described conversation initialized protocol signaling message is the Temporary Response acknowledge message, and the described conversation initialized protocol signaling message of transmission carries the sign of described early media negotiation failure by the Session Description Protocol field.
The embodiment of the invention also provides a kind of method for processing early media negotiation failure, comprising:
Color ring server sends reliable Temporary Response to subscriber equipment;
Described color ring server receives the response message from the described reliable Temporary Response of response of described subscriber equipment, and described response message comprises the sign of early media negotiation failure;
Described color ring server is initiated the negotiation of normal conversation;
Described response message is the conversation initialized protocol signaling message; The negotiation of initiating normal conversation takes a step forward and comprises: resolve the sign that described response message obtains described early media negotiation failure;
The sign that the described response message of described parsing obtains described early media negotiation failure is specially: the Session Description Protocol field of resolving described conversation initialized protocol signaling message obtains the sign of described early media negotiation failure.
The embodiment of the invention also provides a kind of method for processing early media negotiation failure, comprising:
Send reliable Temporary Response to subscriber equipment;
If in preset time, do not receive the message of the described reliable Temporary Response of response, determine early media negotiation failure;
Initiate the negotiation of normal conversation.
The embodiment of the invention also provides a kind of subscriber equipment, comprising:
Receiving element is used for receiving reliable Temporary Response;
Negotiation element is used for carrying out the negotiation of Early media after described receiving element has received described reliable Temporary Response;
Transmitting element, be used for sending the response message of the described reliable Temporary Response of response, if early media negotiation failure, described response message comprises the sign of early media negotiation failure, the described response message that sends is the conversation initialized protocol signaling message, described conversation initialized protocol signaling message is the Temporary Response acknowledge message, and the described conversation initialized protocol signaling message of transmission carries the sign of described early media negotiation failure by the Session Description Protocol field.
The embodiment of the invention also provides a kind of color ring server, comprising:
Transmitting element is used for sending reliable Temporary Response;
Receiving element is used for receiving the response message that responds described reliable Temporary Response, and described response message comprises the sign of early media negotiation failure, and described response message is the conversation initialized protocol signaling message; Described conversation initialized protocol signaling message is the Temporary Response acknowledge message, and described conversation initialized protocol signaling message carries the sign of described early media negotiation failure by the Session Description Protocol field;
Initiate the unit, be used for when described receiving element has received described response message, initiating the negotiation of normal conversation.
The embodiment of the invention also provides a kind of color ring server, comprising:
Transmitting element is used for sending reliable Temporary Response;
Determining unit when being used for not receiving the message of the described reliable Temporary Response of response in preset time, is determined early media negotiation failure;
Initiate the unit, be used for when described determining unit is determined early media negotiation failure, initiating the negotiation of normal conversation.
The embodiment of the invention also provides a kind of communication system, comprising:
Color ring server is used for sending reliable Temporary Response to service call session control function entity; Receive the response message of the described reliable Temporary Response of response of described service call session control function entity forwarding, described response message comprises the sign of early media negotiation failure; Initiate the negotiation of normal conversation;
Service call session control function entity is used for receiving the reliable Temporary Response of color ring server transmission and transmits described reliable Temporary Response to subscriber equipment; Receive the described response message of described subscriber equipment transmission and transmit described response message to described color ring server;
Subscriber equipment is used for receiving the reliable Temporary Response that described service call session control function entity is transmitted; Carry out the negotiation of Early media; If early media negotiation failure, structure also sends described response message to described service call session control function entity, described response message is the conversation initialized protocol signaling message, described conversation initialized protocol signaling message is the Temporary Response acknowledge message, and the described conversation initialized protocol signaling message of transmission carries the sign of described early media negotiation failure by the Session Description Protocol field.
Can find out from the above technical scheme that the embodiment of the invention provides; because the embodiment of the invention is in early days during media negotiation failure; can know early media negotiation failure by the sign of early media negotiation failure; and then network side can be initiated the negotiation of follow-up normal conversation; thereby call flow is returned to the normal call state; normal talking between calling subscriber equipment and the called subscriber equipment can be set up, can strengthen robustness and the availability of multimedia color ring system.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the flow chart of method for processing early media negotiation failure embodiment one in the embodiment of the invention;
Fig. 2 is the flow chart of method for processing early media negotiation failure embodiment two in the embodiment of the invention;
Fig. 3 is the signaling process figure of method for processing early media negotiation failure embodiment three in the embodiment of the invention;
Fig. 4 is the flow chart of method for processing early media negotiation failure embodiment four in the embodiment of the invention;
Fig. 5 is the signaling process figure of method for processing early media negotiation failure embodiment five in the embodiment of the invention;
Fig. 6 is the structure chart of subscriber equipment embodiment in the embodiment of the invention;
Fig. 7 is the structure chart of application server functionality physical embodiment one in the embodiment of the invention;
Fig. 8 is the structure chart of application server functionality physical embodiment two in the embodiment of the invention;
Fig. 9 is the structure chart of communication system embodiment in the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Fig. 1 has described the flow process of the method for processing early media negotiation failure embodiment one that the embodiment of the invention provides, and this flow process described the processing procedure of subscriber equipment in the early media negotiation process, and the processing procedure of calling subscriber equipment specifically comprises:
101, reception is from the reliable Temporary Response of color ring server;
Calling subscriber equipment sends connection request message and makes a call after the flow process, can receive the reliable Temporary Response from color ring server; This reliable Temporary Response sends to calling subscriber equipment by service call session control function entity after specifically having received the reliable Temporary Response of called subscriber equipment transmission by color ring server; Generally speaking, reliable Temporary Response comprises media protocol, this media protocol is the desired media protocol of multimedia color ring back tone platform, and wherein the multimedia color ring back tone platform can be Customized Ring Back Tone media resource control functional entity (CRBT MRC:CRBT Media Resource Control FunctionalEntity), Customized Ring Back Tone media resource processing capacity entity (CRBT P-FE:Media ResourceProcessing Functional Entity), personal ringing sound media resource control functional entity (CRTMRC:Customized Ringing Tone Media Resource Control Functional Entity), personal ringing sound media resource processing capacity entity (CRT P-FE:CRT Media Resource ProcessingFunctional Entity) etc.;
Wherein color ring server has difference according to the difference of network and personalized ring back tone, such as being Customized Ring Back Tone application server functionality entity (CRBT AS-FE:CRBT Application ServerFunctional Entity), personal ringing sound application server functionality entity (CRT AS-FE:Customized Ringing Tone Application Server Functional Entity) etc.;
102, carry out the negotiation of Early media;
After calling subscriber equipment receives reliable Temporary Response, carry out early media negotiation, early media negotiation comprises the allocation medium resource, determines media protocol etc.;
103, send the response message of the reliable Temporary Response of response to color ring server, if early media negotiation failure, this response message comprises the sign of early media negotiation failure.
If calling subscriber equipment is not supported the desired media protocol of multimedia color ring back tone platform, then can cause early media negotiation failure, for example H.264 the multimedia color ring back tone platform requires agreement and calling subscriber equipment does not support that H.264 agreement will cause early media negotiation failure;
Although perhaps calling subscriber equipment is supported the desired media protocol of multimedia color ring back tone platform, but because the media buffer deficiency of calling subscriber equipment or other reasons when causing distributing enough resources for multi-media ringtone, also can cause early media negotiation failure;
When perhaps disposing local policy on the calling subscriber equipment, in the process of carrying out early media negotiation, can determine early media negotiation failure according to local policy; For example, the calling subscriber can select not carry out multimedia color ring back tone and play in order to save the resource of subscriber equipment, thereby the refusal early media negotiation causes early media negotiation failure.
If early media negotiation failure can be proceeded in order to make follow-up flow process, then can construct the response message of the sign that comprises early media negotiation failure; Particularly, this response message can be any sign that can carry early media negotiation failure be sent to the message of network side by subscriber equipment, such as conversation initialized protocol (SIP:Session Initiation Protocol) signaling message etc.;
When response message is the conversation initialized protocol signaling message, can carry the sign of early media negotiation failure or carry the sign of early media negotiation failure by the expansion header field of conversation initialized protocol signaling message by the Session Description Protocol in the conversation initialized protocol signaling message (SDP:Session Description Protocol) field, particularly can be at the sign that flag bit carries early media negotiation failure that presets of Session Description Protocol field; Because the Session Description Protocol field is to carry the media protocol that calling subscriber equipment is supported, so also session can be described protocol fields leaves a blank, thereby make the Session Description Protocol field not carry any media protocol information, make Session Description Protocol field integral body as the sign of early media negotiation failure; Perhaps can also carry extend markup language (XML:eXtensible Markup Language) file at the conversation initialized protocol signaling message, carry the sign of early media negotiation failure by the XML file.Wherein, the conversation initialized protocol signaling message specifically can be Temporary Response acknowledge message etc.
After color ring server transmission response message; can make color ring server know the early media negotiation failure of calling subscriber equipment side; specifically can make color ring server know the early media negotiation failure of calling subscriber equipment side; thereby make color ring server can initiate the negotiation of normal conversation; further, color ring server can also send the session between the end of message and the multimedia color ring back tone platform.
From the above; present embodiment is in early days during media negotiation failure; can construct the response message of the sign that comprises early media negotiation failure; make network side can know early media negotiation failure; and then can initiate the negotiation of follow-up normal conversation; thereby call flow is returned to the normal call state, the normal talking between calling subscriber equipment and the called subscriber equipment can be set up, can strengthen robustness and the availability of multimedia color ring system.
Further, the response message of method for processing early media negotiation failure embodiment one structure that the embodiment of the invention provides can also comprise the reason of early media negotiation failure, make network side can know the reason of early media negotiation failure, can carry out record to the reason of early media negotiation failure, and then can adjust opportunity call flow or calling according to the reason of early media negotiation failure, further strengthen robustness and the availability of multimedia color ring system.
Fig. 2 has described the flow process of the method for processing early media negotiation failure embodiment two that the embodiment of the invention provides, and this flow process has been described the processing procedure of color ring server in the early media negotiation process, comprising:
201, send reliable Temporary Response to subscriber equipment; Specifically can send this reliable Temporary Response to subscriber equipment by service call session control function entity;
In call flow, after color ring server is received reliable Temporary Response from called subscriber equipment, support early media negotiation if find calling subscriber equipment, and it is professional that called subscriber equipment has customized personalized ring back tone, then can communicate by letter with the multimedia color ring back tone platform, obtain the response of multimedia color ring back tone platform, comprise the media protocol that the multimedia color ring back tone platform requires in the response of multimedia color ring back tone platform; Wherein, the personalized ring back tone business can be personalized ring back tone service, personal ringing sound business etc.;
The media protocol Information encapsulation that color ring server requires the multimedia color ring back tone platform sends to calling subscriber equipment with reliable Temporary Response, thereby makes calling subscriber equipment can know corresponding information in reliable Temporary Response;
202, reception is from the response message of the reliable Temporary Response of response of subscriber equipment, and response message comprises the sign of early media negotiation failure;
After color ring server sends reliable Temporary Response, can receive the response message of this reliable Temporary Response of response; This response message is sent by service call session control function entity by subscriber equipment.
203, initiate the negotiation of normal conversation.
When determining early media negotiation failure, although can not play personalized ring back tone for calling subscriber equipment, but can continue the negotiation of normal conversation, therefore can initiate the negotiation of normal conversation, thereby ensure the normal talking between calling subscriber equipment and the called subscriber equipment, specifically can send the negotiation that the Temporary Response acknowledge message is initiated normal conversation to called subscriber equipment; Simultaneously, can also send session between the end of message and the multimedia color ring back tone platform.
From the above; present embodiment is after the response message that receives the sign that comprises early media negotiation failure; can determine early media negotiation failure; and then can initiate the negotiation of normal conversation; thereby call flow is returned to the normal call state; normal talking between calling subscriber equipment and the called subscriber equipment can be set up, can strengthen robustness and the availability of multimedia color ring system.
When response message was the conversation initialized protocol signaling message, the method for processing early media negotiation failure embodiment two that the embodiment of the invention provides may further include before the negotiation of initiating normal conversation: resolve the sign that response message obtains early media negotiation failure.
Different or different according to the type of response message according to the position that the sign of early media negotiation failure carries in response message, the process of resolving the sign that obtains early media negotiation failure has difference;
For example, when response message was carried the sign of early media negotiation failure by extensible markup language document, the step of resolving the sign of response message acquisition early media negotiation failure can comprise: resolve response message and obtain extensible markup language document; From extensible markup language document, resolve the sign that obtains early media negotiation failure.
When response message is carried the sign of early media negotiation failure by the Session Description Protocol field, resolve response message obtain early media negotiation failure sign can for: the Session Description Protocol field of resolving response message obtains the sign of early media negotiation failure;
When response message is carried the sign of early media negotiation failure by the expansion header field or the expansion header field of resolving response message obtain the sign of early media negotiation failure.
Concrete position difference according to replying the sign that carries early media negotiation failure has difference, obtain the example that is masked as of early media negotiation failure with the Session Description Protocol field of resolving response message: by presetting flag bit and carry the sign of early media negotiation failure in the Session Description Protocol field time, can preset the sign that flag bit obtains early media negotiation failure by resolving this; When the Session Description Protocol fields blank is carried the sign of early media negotiation failure, obtain the sign of early media negotiation failure if parsing Session Description Protocol field does not obtain corresponding information, wherein corresponding information can be the media protocol that calling subscriber equipment is supported.
Further, the response message that receives of the method for processing early media negotiation failure embodiment two that provides of the embodiment of the invention can also comprise the reason of early media negotiation failure; At this moment, the method for processing early media negotiation failure embodiment two that the embodiment of the invention provides can also comprise: resolve the reason that response message obtains early media negotiation failure, the reason of record early media negotiation failure; Thereby can adjust opportunity call flow or calling according to the reason of early media negotiation failure, further strengthen robustness and the availability of multimedia color ring system.
Fig. 3 has described the signaling process of the method for processing early media negotiation failure embodiment three that the embodiment of the invention provides, comprising:
301, calling subscriber equipment sends to the connection request of service call session control function entity transmission with session request (offer); Wherein, can comprise early-session option-tag and reliable Temporary Response sign option-tag in the support header field of connection request.
302, behind the connection request of service call session control function entity reception with the session request, carry out policy filtering, to the connection request of color ring server transmission with the session request.
303, color ring server is to the connection request of called subscriber equipment transmission with the session request.
Wherein, color ring server is different and different according to the type of personalized ring back tone, and when personalized ring back tone was Customized Ring Back Tone, this color ring server was the Customized Ring Back Tone color ring server; When personalized ring back tone was the personal ringing sound, this color ring server was personal ringing sound color ring server.
304, called subscriber equipment produces reliable Temporary Response to calling subscriber equipment, and reliable Temporary Response is sent to color ring server, and wherein Temporary Response can be 183 response messages of replying (answer) with session reliably.
305, after color ring server receives reliable Temporary Response, find that calling subscriber equipment supports early-session, and called subscriber equipment customized personalized ring back tone service, color ring server sends connection request to the multimedia color ring back tone platform.
The multimedia color ring back tone platform is different and different according to the type of the difference of network and/or personalized ring back tone, and the multimedia color ring back tone platform can be Customized Ring Back Tone media resource control functional entity, Customized Ring Back Tone media resource processing capacity entity, personal ringing sound media resource control functional entity, personal ringing sound media resource processing capacity entity etc.;
306, the transmission of multimedia color ring back tone platform is given color ring server with the response message (200OK) of multimedia color ring back tone request, is used for the connection request that response receives; Wherein, the multimedia color ring back tone request can be Customized Ring Back Tone request (CRBT offer), personal ringing sound request (CRT offer) etc., and the multimedia color ring back tone request carries the desired media of multimedia color ring back tone platform and puies forward agreement;
307, color ring server sends reliable Temporary Response to service call session control function entity, and this reliable Temporary Response comprises that session replys and the multimedia color ring back tone request.
308, service call session control function entity is transmitted and to be comprised that session replys reliable Temporary Response with the multimedia color ring back tone request to calling subscriber equipment.
309, calling subscriber equipment receives and comprises that session replys after the reliable Temporary Response with the multimedia color ring back tone request, carries out the negotiation of Early media under the triggering of multimedia color ring back tone request, present embodiment hypothesis early media negotiation failure;
310, calling subscriber equipment is to the response message of service call session control function entity transmission with the sign of early media negotiation failure;
This response message can be the Temporary Response acknowledge message with extensible markup language document, has wherein comprised the sign of early media negotiation failure in the extensible markup language document;
Response message may further include the reason of early media negotiation failure.
311, service call session control function entity is to the response message of color ring server forwarding with the sign of early media negotiation failure;
312, color ring server is received after the response message with the sign of early media negotiation failure, can resolve the sign that obtains early media negotiation failure, learn early media negotiation failure, thereby can trigger according to strategy the handling process of Early media failure, and carry out resource for normal call proceeding and prepare.Color ring server sends the Temporary Response acknowledge message to called subscriber equipment, initiates the negotiation of normal conversation.
313, color ring server sends acknowledge message (ACK) to the multimedia color ring back tone platform, is used for confirming 306 200OK.
314, color ring server send goodbye (BYE) message to the multimedia color ring back tone platform with finish and the multimedia color ring back tone platform between session.
315, multimedia color ring back tone platform loopback 200OK is to respond the byebye message in 314.
316, called subscriber equipment sends Temporary Response acknowledge message in the 200OK response 312 to color ring server.
317, color ring server sends Temporary Response acknowledge message in the 200OK response 311 to service call session control function entity.
318, service call session control function entity is transmitted the Temporary Response acknowledge message of 200OK response 310 to calling subscriber equipment.
319, called subscriber equipment sends ALERTING message (180ringing) expression called subscriber equipment just in ring to color ring server.
320, color ring server sends ALERTING message to calling subscriber equipment; Make calling subscriber equipment can know that called subscriber equipment is just in ring.
321, called subscriber equipment sends 200OK to color ring server, and expression called subscriber equipment off-hook is replied.
322, color ring server sends 200OK to calling subscriber equipment; Make calling subscriber equipment can know that the called subscriber equipment off-hook replys.
323, calling subscriber equipment sends acknowledge message to color ring server, is used for confirming 322 200OK.
324, color ring server sends acknowledge message to called subscriber equipment, is used for confirming 321 200OK.Since then, calling subscriber equipment and called subscriber equipment can carry out normal conversation on video telephone.
From the above; calling subscriber equipment is in early days during media negotiation failure in the present embodiment; can construct the response message of the sign that comprises early media negotiation failure; make color ring server can know early media negotiation failure; and then can initiate the negotiation of follow-up normal conversation; thereby call flow is returned to the normal call state, the normal talking between calling subscriber equipment and the called subscriber equipment can be set up, can strengthen robustness and the availability of multimedia color ring system.
Fig. 4 has described the flow process of the method for processing early media negotiation failure embodiment four that the embodiment of the invention provides, and this flow process has been described the processing procedure of color ring server in the early media negotiation process, comprising:
401, send reliable Temporary Response to subscriber equipment;
In call flow, after color ring server is received reliable Temporary Response from called subscriber equipment, support early media negotiation if find calling subscriber equipment, and called subscriber equipment has customized personalized ring back tone (Customized Ring Back Tone, personal ringing sound) business, then can communicate by letter with the multimedia color ring back tone platform, obtain the response of multimedia color ring back tone platform, comprise the media protocol that the multimedia color ring back tone platform requires in the response of multimedia color ring back tone platform;
The media protocol Information encapsulation that color ring server requires the multimedia color ring back tone platform sends to subscriber equipment with reliable Temporary Response, thereby makes calling subscriber equipment can know corresponding information in reliable Temporary Response;
If 402 do not receive the message of the reliable Temporary Response of response in preset time, determine early media negotiation failure;
When calling subscriber equipment causes early media negotiation failure for a certain reason, calling subscriber equipment can't send the message of the reliable Temporary Response of response, and this moment, color ring server can not receive the message of the reliable Temporary Response of response of calling subscriber equipment transmission; Although perhaps calling subscriber equipment has sent the message of the reliable Temporary Response of response, but the affirmation message that causes responding reliable Temporary Response owing to the network reason can not be sent to color ring server, and this moment, color ring server can not receive the message of the reliable Temporary Response of response of calling subscriber equipment transmission yet;
So color ring server can arrange a timer, this timer starts when sending reliable Temporary Response, if do not receive yet the message of the reliable Temporary Response of response when the timing of timer arrives preset time, then can think early media negotiation failure, wherein preset time can pre-determine according to network condition or handling process.
403, initiate the negotiation of normal conversation.
When determining early media negotiation failure, although can not play personalized ring back tone for calling subscriber equipment, but can continue the negotiation of normal conversation, therefore can initiate the negotiation of normal conversation, thereby ensure the normal talking between calling subscriber equipment and the called subscriber equipment; Simultaneously, can also send session between the end of message and the multimedia color ring back tone platform.
From the above; when present embodiment does not receive the message of the reliable Temporary Response of response in preset time; can determine early media negotiation failure; and then can initiate the negotiation of normal conversation; thereby call flow is returned to the normal call state; normal talking between calling subscriber equipment and the called subscriber equipment can be set up, can strengthen robustness and the availability of multimedia color ring system.
Fig. 5 has described the signaling process of the method for processing early media negotiation failure embodiment five that the embodiment of the invention provides, comprising:
501, calling subscriber equipment sends to the connection request of service call session control function entity transmission with the session request; Wherein, can comprise early-session option-tag and reliable Temporary Response sign option-tag in the support header field of connection request.
502, behind the connection request of service call session control function entity reception with the session request, carry out policy filtering, to the connection request of color ring server transmission with the session request.
503, color ring server is to the connection request of called subscriber equipment transmission with the session request.
Wherein, color ring server is different and different according to the type of personalized ring back tone, and when personalized ring back tone was Customized Ring Back Tone, this color ring server was the Customized Ring Back Tone color ring server; When personalized ring back tone was the personal ringing sound, this color ring server was personal ringing sound color ring server.
504, called subscriber equipment produces reliable Temporary Response to calling subscriber equipment, and reliable Temporary Response is sent to color ring server, and wherein Temporary Response can be 183 response messages of replying (answer) with session reliably.
505, after color ring server receives reliable Temporary Response, find that calling subscriber equipment supports early-session, and called subscriber equipment customized personalized ring back tone service, color ring server sends connection request to the multimedia color ring back tone platform.
The multimedia color ring back tone platform is different and different according to the type of the difference of network and/or personalized ring back tone, and the multimedia color ring back tone platform can be Customized Ring Back Tone media resource control functional entity, Customized Ring Back Tone media resource processing capacity entity, personal ringing sound media resource control functional entity, personal ringing sound media resource processing capacity entity etc.;
506, the transmission of multimedia color ring back tone platform is given color ring server with the response message (200OK) of multimedia color ring back tone request, is used for the connection request that response receives; Wherein, the multimedia color ring back tone request can be Customized Ring Back Tone request (CRBT offer), personal ringing sound (CRT offer) etc., and the multimedia color ring back tone request carries the desired media of multimedia color ring back tone platform and puies forward agreement;
507, color ring server sends reliable Temporary Response to service call session control function entity, and this reliable Temporary Response comprises that session replys and the multimedia color ring back tone request.
508, service call session control function entity is transmitted and to be comprised that session replys reliable Temporary Response with the multimedia color ring back tone request to calling subscriber equipment.
509, calling subscriber equipment receives and comprises that session replys after the reliable Temporary Response with the multimedia color ring back tone request, carries out the negotiation of Early media under the triggering of multimedia color ring back tone request.
510, color ring server to service call session control function entity send comprise that reliable Temporary Response with the multimedia color ring back tone request is replied in session after, the reliable response message of Temporary Response in the wait-for-response 507 always, until timer expiry, at this moment it is failed to think that calling subscriber equipment is consulted Early media, trigger the handling process of Early media failure according to strategy, and carry out resource for normal call proceeding and prepare; Particularly, color ring server sends the Temporary Response acknowledge message to called subscriber equipment, initiates the negotiation of normal conversation.
Wherein, calling subscriber equipment may not send any message owing to early media negotiation failure, thereby causes color ring server not receive the message of reliable Temporary Response in the response 507; Perhaps, although calling subscriber equipment does not receive the message of reliable Temporary Response in the response 507 no matter whether failure has all sent acknowledge message to early media negotiation owing to the network reason causes color ring server.
511, color ring server sends acknowledge message to the multimedia color ring back tone platform, is used for confirming 506 200OK.
512, color ring server send byebye message to the multimedia color ring back tone platform with finish and the multimedia color ring back tone platform between session.
513, multimedia color ring back tone platform loopback 200OK message is to respond the byebye message in 512.
514, called subscriber equipment sends Temporary Response acknowledge message in the 200OK response 510 to color ring server.
515, called subscriber equipment represents that to color ring server transmission ALERTING message called subscriber equipment is just in ring.
516, color ring server sends ALERTING message to calling subscriber equipment; Make calling subscriber equipment can know that called subscriber equipment is just in ring.
517, called subscriber equipment sends 200OK to color ring server, and expression called subscriber equipment off-hook is replied.
518, color ring server sends 200OK to calling subscriber equipment; Make calling subscriber equipment can know that the called subscriber equipment off-hook replys.
519, calling subscriber equipment sends acknowledge message to color ring server, is used for confirming 518 200OK.
520, color ring server sends acknowledge message to called subscriber equipment, is used for confirming 517 200OK.Since then, calling subscriber equipment and called subscriber equipment can carry out normal conversation on video telephone.
From the above; color ring server is not when receiving the message of the reliable Temporary Response of response in the present embodiment; can determine early media negotiation failure according to strategy; and then can initiate the negotiation of follow-up normal conversation; thereby call flow is returned to the normal call state; normal talking between calling subscriber equipment and the called subscriber equipment can be set up, can strengthen robustness and the availability of multimedia color ring system.
Followingly introduce the device that the embodiment of the invention provides, the subscriber equipment that the paper embodiment of the invention provides, Fig. 6 have been described the structure of the subscriber equipment embodiment that the embodiment of the invention provides, comprising again:
Receiving element 601 is used for receiving reliable Temporary Response;
Transmitting element 603 is used for sending the response message that responds reliable Temporary Response, if early media negotiation failure, response message comprises the sign of early media negotiation failure.
From the above; the present embodiment of subscriber equipment is in early days during media negotiation failure; can construct the response message of the sign that comprises early media negotiation failure; make network side can know early media negotiation failure; and then can initiate the negotiation of follow-up normal conversation; thereby call flow is returned to the normal call state, the normal talking between calling subscriber equipment and the called subscriber equipment can be set up, can strengthen robustness and the availability of multimedia color ring system.
Further, the subscriber equipment embodiment that the embodiment of the invention provides can also comprise: acquiring unit is used for obtaining the reason that negotiation element 602 carries out early media negotiation failure; At this moment, the response message of transmitting element 603 transmissions further comprises the reason of early media negotiation failure.Make network side can know the reason of early media negotiation failure, can carry out record to the reason of early media negotiation failure, and then can adjust opportunity call flow or calling according to the reason of early media negotiation failure, further strengthen robustness and the availability of multimedia color ring system.
Fig. 7 has described the structure of the color ring server embodiment one that the embodiment of the invention provides, comprising:
Transmitting element 701 is used for sending reliable Temporary Response;
Receiving element 702 is used for receiving the response message that responds reliable Temporary Response, and response message comprises the sign of early media negotiation failure;
Initiate unit 703, be used for when determining unit 702 has received response message, initiating the negotiation of normal conversation.
From the above; the present embodiment of color ring server is after the response message that receives the sign that comprises early media negotiation failure; can determine early media negotiation failure; and then can initiate the negotiation of normal conversation; thereby call flow is returned to the normal call state; normal talking between calling subscriber equipment and the called subscriber equipment can be set up, can strengthen robustness and the availability of multimedia color ring system.
Further, if the response message that receiving element 702 receives also comprises the reason of early media negotiation failure; At this moment, the color ring server embodiment one that the embodiment of the invention provides can also comprise: record cell, the reason of the early media negotiation failure that the response message that receives for record receiving element 702 comprises.Thereby can adjust opportunity call flow or calling according to the reason of early media negotiation failure, further strengthen robustness and the availability of multimedia color ring system.
Fig. 8 has described the structure of the color ring server embodiment two that the embodiment of the invention provides, comprising:
Transmitting element 801 is used for sending reliable Temporary Response;
Determining unit 802 when being used for not receiving the message of the reliable Temporary Response that responds transmitting element 801 transmissions in preset time, is determined early media negotiation failure;
Particularly, determining unit 802 can comprise: timer 8021 is used for carrying out timing when transmitting element 801 sends reliable Temporary Response; Failure determining unit 8022 is used for when the timing of timer 8021 reaches preset time, if do not receive the message of the reliable Temporary Response of response, determines early media negotiation failure.
From the above; when the present embodiment of color ring server does not receive the message of the reliable Temporary Response of response in preset time; can determine early media negotiation failure; and then can initiate the negotiation of normal conversation; thereby call flow is returned to the normal call state; normal talking between calling subscriber equipment and the called subscriber equipment can be set up, can strengthen robustness and the availability of multimedia color ring system.
Fig. 9 has described the structure of the communication system embodiment that the embodiment of the invention provides, comprising:
Service call session control function entity 902 is used for receiving and transmitting reliable Temporary Response; Receive and transmit response message;
From the above; subscriber equipment is in early days during media negotiation failure in the present embodiment; can construct the response message of the sign that comprises early media negotiation failure; make color ring server can know early media negotiation failure; and then can initiate the negotiation of follow-up normal conversation; thereby call flow is returned to the normal call state, the normal talking between calling subscriber equipment and the called subscriber equipment can be set up, can strengthen robustness and the availability of multimedia color ring system.
One of ordinary skill in the art will appreciate that all or part of step that realizes in above-described embodiment method is to come the relevant hardware of instruction to finish by program, described program can be stored in a kind of computer-readable recording medium, this program is carried out the part or all of step of the said method embodiment that the embodiment of the invention provides when carrying out.
The above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
More than method for processing early media negotiation failure that the embodiment of the invention is provided and relevant device, communication system be described in detail, the explanation of above embodiment just is used for helping to understand method of the present invention and thought thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (13)
1. a method for processing early media negotiation failure is characterized in that, comprising:
Subscriber equipment receives the reliable Temporary Response from color ring server;
Described subscriber equipment carries out the negotiation of Early media;
Described subscriber equipment sends the response message of the described reliable Temporary Response of response to color ring server, if early media negotiation failure, described response message comprises the sign of early media negotiation failure, the described response message that sends is the conversation initialized protocol signaling message, described conversation initialized protocol signaling message is the Temporary Response acknowledge message, and the described conversation initialized protocol signaling message of transmission carries the sign of described early media negotiation failure by the Session Description Protocol field.
2. method for processing early media negotiation failure as claimed in claim 1 is characterized in that, the described reliable Temporary Response of reception comprises media protocol;
In the described negotiations process of carrying out Early media, if do not support described media protocol, then determine early media negotiation failure.
3. method for processing early media negotiation failure as claimed in claim 1 is characterized in that, in the described negotiations process of carrying out Early media, if media resource is not enough, then determines early media negotiation failure.
4. method for processing early media negotiation failure as claimed in claim 1 is characterized in that, in the described negotiations process of carrying out Early media, determines early media negotiation failure according to local policy.
5. method for processing early media negotiation failure as claimed in claim 1 is characterized in that, the sign that described Session Description Protocol field is carried early media negotiation failure is specially:
The flag bit that presets in described Session Description Protocol field carries the sign of described early media negotiation failure or described Session Description Protocol fields blank as the sign of described early media negotiation failure.
6. such as the arbitrary described method for processing early media negotiation failure of claim 1 to 4, it is characterized in that the described response message of transmission further comprises the reason of early media negotiation failure.
7. a method for processing early media negotiation failure is characterized in that, comprising:
Color ring server sends reliable Temporary Response to subscriber equipment;
Described color ring server receives the response message from the described reliable Temporary Response of response of described subscriber equipment, and described response message comprises the sign of early media negotiation failure;
Described color ring server is initiated the negotiation of normal conversation;
Described response message is the conversation initialized protocol signaling message; The negotiation of initiating normal conversation takes a step forward and comprises: resolve the sign that described response message obtains described early media negotiation failure;
The sign that the described response message of described parsing obtains described early media negotiation failure is specially: the Session Description Protocol field of resolving described conversation initialized protocol signaling message obtains the sign of described early media negotiation failure.
8. method for processing early media negotiation failure as claimed in claim 7 is characterized in that, described response message also comprises the reason of early media negotiation failure;
The method further comprises:
Resolve described response message and obtain the reason of described early media negotiation failure;
Record the reason of described early media negotiation failure.
9. a subscriber equipment is characterized in that, comprising:
Receiving element is used for receiving reliable Temporary Response;
Negotiation element is used for carrying out the negotiation of Early media after described receiving element has received described reliable Temporary Response;
Transmitting element, be used for sending the response message of the described reliable Temporary Response of response, if early media negotiation failure, described response message comprises the sign of early media negotiation failure, the described response message that sends is the conversation initialized protocol signaling message, described conversation initialized protocol signaling message is the Temporary Response acknowledge message, and the described conversation initialized protocol signaling message of transmission carries the sign of described early media negotiation failure by the Session Description Protocol field.
10. subscriber equipment as claimed in claim 9 is characterized in that, also comprises:
Acquiring unit is used for obtaining the reason that described negotiation element carries out early media negotiation failure;
The described response message that described transmitting element sends further comprises the reason of the described early media negotiation failure that described acquiring unit obtains.
11. a color ring server is characterized in that, comprising:
Transmitting element is used for sending reliable Temporary Response;
Receiving element is used for receiving the response message that responds described reliable Temporary Response, and described response message comprises the sign of early media negotiation failure, and described response message is the conversation initialized protocol signaling message; Described conversation initialized protocol signaling message is the Temporary Response acknowledge message, and described conversation initialized protocol signaling message carries the sign of described early media negotiation failure by the Session Description Protocol field;
Initiate the unit, be used for when described receiving element has received described response message, initiating the negotiation of normal conversation.
12. color ring server as claimed in claim 11 is characterized in that, the described response message that described receiving element receives also comprises the reason of early media negotiation failure;
Described color ring server also comprises:
Record cell is used for recording the reason of the described early media negotiation failure that described response message that described receiving element receives comprises.
13. a communication system is characterized in that, comprising:
Color ring server is used for sending reliable Temporary Response to service call session control function entity; Receive the response message of the described reliable Temporary Response of response of described service call session control function entity forwarding, described response message comprises the sign of early media negotiation failure; Initiate the negotiation of normal conversation;
Service call session control function entity is used for receiving the reliable Temporary Response of color ring server transmission and transmits described reliable Temporary Response to subscriber equipment; Receive the described response message of described subscriber equipment transmission and transmit described response message to described color ring server;
Subscriber equipment is used for receiving the reliable Temporary Response that described service call session control function entity is transmitted; Carry out the negotiation of Early media; If early media negotiation failure, structure also sends described response message to described service call session control function entity, described response message is the conversation initialized protocol signaling message, described conversation initialized protocol signaling message is the Temporary Response acknowledge message, and the described conversation initialized protocol signaling message of transmission carries the sign of described early media negotiation failure by the Session Description Protocol field.
Priority Applications (2)
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| CN 200810210544 CN101662736B (en) | 2008-08-27 | 2008-08-27 | Method for processing early media negotiation failure, associated equipment and communication system |
| PCT/CN2009/072850 WO2010022621A1 (en) | 2008-08-27 | 2009-07-21 | Method for disposing the early media negotiation failure, and corresponding device, communication system |
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| CN 200810210544 CN101662736B (en) | 2008-08-27 | 2008-08-27 | Method for processing early media negotiation failure, associated equipment and communication system |
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| CN101662736B true CN101662736B (en) | 2013-04-17 |
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| CN 200810210544 Active CN101662736B (en) | 2008-08-27 | 2008-08-27 | Method for processing early media negotiation failure, associated equipment and communication system |
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| CN114070933B (en) * | 2020-08-04 | 2023-10-27 | 中国移动通信集团重庆有限公司 | Video color ring negotiation anomaly processing method, device and server |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1992755A (en) * | 2005-12-28 | 2007-07-04 | 中兴通讯股份有限公司 | System and method for refusing color ring back tone by calling subscribe |
| CN101217703A (en) * | 2008-01-11 | 2008-07-09 | 中兴通讯股份有限公司 | A method realizing online CRBT and color image generation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100477695C (en) * | 2004-08-19 | 2009-04-08 | 华为技术有限公司 | Method and device for realizing ring back tone and prompt tone of VoIP voice communication system |
| CN1859475B (en) * | 2005-07-22 | 2010-05-12 | 华为技术有限公司 | Method and system for realizing multimedia audible ringing tone |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1992755A (en) * | 2005-12-28 | 2007-07-04 | 中兴通讯股份有限公司 | System and method for refusing color ring back tone by calling subscribe |
| CN101217703A (en) * | 2008-01-11 | 2008-07-09 | 中兴通讯股份有限公司 | A method realizing online CRBT and color image generation |
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| CN101662736A (en) | 2010-03-03 |
| WO2010022621A1 (en) | 2010-03-04 |
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