WO2009089797A1 - Procédé de mise en oeuvre de service de tonalité de retour d'appel et/ou de tonalité de reour d'appel multimédia et de production de demande sdp multimédia anticipée - Google Patents

Procédé de mise en oeuvre de service de tonalité de retour d'appel et/ou de tonalité de reour d'appel multimédia et de production de demande sdp multimédia anticipée Download PDF

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Publication number
WO2009089797A1
WO2009089797A1 PCT/CN2009/070108 CN2009070108W WO2009089797A1 WO 2009089797 A1 WO2009089797 A1 WO 2009089797A1 CN 2009070108 W CN2009070108 W CN 2009070108W WO 2009089797 A1 WO2009089797 A1 WO 2009089797A1
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WIPO (PCT)
Prior art keywords
mse
media
early media
service
early
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PCT/CN2009/070108
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English (en)
Chinese (zh)
Inventor
Zhenhua Xie
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Zte Corporation
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Publication of WO2009089797A1 publication Critical patent/WO2009089797A1/fr

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Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1101—Session protocols
    • H04L65/1104—Session initiation protocol [SIP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1096—Supplementary features, e.g. call forwarding or call holding

Definitions

  • the present invention relates to the field of communications, and in particular, to a method for implementing a CRBT and/or a color image service and a method for generating a Session Description Protocol (SDP).
  • SDP Session Description Protocol
  • IP Internet Protocol, Network Interconnection Protocol
  • Multimedia Subsystem is an IP-based network architecture proposed by the 3rd Generation Partnership Project (3GPP). It has built an open and flexible business environment, supports multimedia applications, and provides users with rich multimedia services.
  • the control layer and the service layer are separated.
  • the control layer does not provide specific services, and only provides the necessary triggering, routing, and accounting functions to the service layer.
  • the service triggering and control function in the control layer is Call Session Control Function (CSCF, which is divided into proxy Proxy, Query Interrogating and Serving Serving). The main responsibility is Serving. The Interrogating type is optional. )Completed.
  • the business layer consists of a series of Application Servers (ASs) that provide specific business services.
  • the AS can be an independent entity or it can exist in the S-CSCF.
  • the control layer controls the service trigger according to the subscription information of the user, invokes the service on the AS, and implements the service function.
  • AS and S-CSCF can be collectively referred to as service equipment (SE, Server Equipment).
  • SE service equipment
  • User Equipment User Equipment
  • SIP Session Initiation Protocol
  • MRF multimedia resource function
  • MRFC media processing part
  • media server the control part MRFC is responsible for the SIP signaling of the SE.
  • the translation and interpretation are instructions to the MRFP, or vice versa, to translate and interpret the MRFP response as SIP signaling sent to the SE, while the processing portion MRFP is responsible for the transmission and reception of the media stream.
  • the protocol for negotiating media resource information in the IMS system is SDP
  • the protocol interaction mode is the request response mode, that is, an SDP request must have an SDP response.
  • the content of the SDP request and response is media resource information, including media owner information (including address information), media connection address, media type, and media port and codec information related to the media type.
  • the order is audio, video and audio, and the number of media is 3.
  • the media order refers to the order of the types of media. It must be exactly the same as the media type, media order and media quantity in the SDP request.
  • the content of the SDP protocol is carried by the message body of the SIP message.
  • the interaction process is independent of the SIP request response mode. That is, the SIP request or response message can carry the SDP request, and can also carry the SDP response, and can also carry the SDP protocol content. .
  • the media connection includes two types, one is a normal media connection, and the other is an early media connection.
  • a normal media connection is a media connection in which a user can answer a SIP call request to transmit media data;
  • an early media connection is a media connection that can transmit media data before the user has answered the SIP call request.
  • the content of the SDP request and response for negotiating the normal media connection is called the normal media SDP.
  • the content of the SDP request and response for negotiating the early media connection is called the early media SDP.
  • the service for playing multimedia information to the called party during the call setup process is a service in the IMS, and the service may be referred to as a color image service.
  • the service allows the called party to play the customized multimedia information, including audio, video, graphics, and combinations thereof, to the called party during the call, and stops after the called party answers.
  • the caller's color image service is customized by the calling party, and the called party is customized.
  • the service for playing multimedia information to the calling party during the call setup process is another service in the IMS, and the service may be called a CRBT service.
  • the service allows the multimedia information previously customized by the called party or the calling party to be played to the calling party during the call, and stops the playback of the multimedia information that has not yet ended after the called party answers.
  • the calling party CRBT service which is customized by the calling party, is called the called ring back tone service.
  • the AS, S-CSCF and media server of the CRBT color image service as a whole, which is called the ring tones color image service service device, abbreviated as MSE, and the internal entity interaction process uses standard processes.
  • MSE the ring tones color image service service device
  • the internal entity interaction process uses standard processes. The scope of the prior art is therefore not described again.
  • the early media SDP request initiated to implement a certain service is correctly sent to the service.
  • the implementer, the MSE implementing the service should add the early media SDP request when sending the SIP message to the service implementer.
  • FIG. 1 is a basic flowchart of simultaneously implementing a color ring tones service in an existing application server mode, and describes a user equipment UE-A of a user A who has activated the calling color picture service, and a user B who has activated the called color ring back service.
  • the process of playing the CRBT to the UE-A and playing the color image to the UE-B before the UE-B response is implemented, and the steps are as follows:
  • Step 101 The UE-A calls the UE-B, for example, sends an INVITE message, and carries the indication information supporting the CRBT service, for example, setting an early-session value in the Support header field, and carrying the normal media SDP request of the UE-A. For example, in the message body, the content of the session type is carried;
  • Step 103 The message passes through the ringtone color image service service device MSE-B of the called user B, and the MSE-B forwards the request;
  • Step 104 The UE-B receives the call request and responds to the temporary response, for example, responding to "183 Session Progress", and carrying the indication information supporting the color image service, for example, setting the early-session value in the Support header field, and carrying the UE-A Normal media SDP response, such as carrying a session type of content in the message body;
  • Step 105 Temporarily respond to the CRBT color image service service device MSE-B of the called user B.
  • the MSE-B knows that the UE-A supports the CRBT service and knows that it needs to provide the CRBT service for the UE-A according to the service setting of the UE-B. Therefore, an early media SDP request of the ring back tone service of the MSE-B is added to the message, for example, carrying the content of the early-session type in the message body;
  • Step 106 Temporarily respond to the ring back color picture service service device MSE-A of the calling user A. Because the calling user A does not open the calling color ring service, the MSE-A forwards the response.
  • Step 107 The UE-A receives the temporary response, completes the first normal media negotiation according to the normal media SDP response of the UE-A carried therein, and then sends a pre-confirmation request, for example, sends a PRACK message, where the CRBT service of the MSE-B is carried.
  • Early media SDP response such as carrying the content of the early-session type in the message body;
  • Step 108 Pre-confirm the request of the ring back color image service service device MSE-A of the calling user A, MSE-A knows that UE-B supports the color image service, so the early media SDP request of the color image service of the MSE-A is added to the message, for example, the content of the early-session type is also carried in the message body;
  • the prior art uses the following three methods to distinguish the early media SDP of the color ring service of the MSE-B and the early media SDP of the color picture service of the MSE-A. :
  • Step 109 The pre-confirmation request passes through the CRBT color image service service device MSE-B of the called user B, and the MSE-B extracts the CRB early media SDP response of the MSE-B according to the identification information, completes the negotiation of the CRBT early media, and The MSE-B CRBT early media SDP response is removed from the message and then forwards the message;
  • Step 110 UE-B receives the pre-confirmation request, and sends a response message, such as a "200 OK" message, carrying the MSE-A color image early media SDP response, for example, carrying the content of the early-session type in the message body;
  • a response message such as a "200 OK" message, carrying the MSE-A color image early media SDP response, for example, carrying the content of the early-session type in the message body;
  • Step 111 The response message passes through the ringtone color image service service device MSE-B of the called user B, and the MSE-B forwards the response message;
  • Step 112 The response message passes through the ringtone color image service service device MSE-A of the calling user A, and the MSE-A extracts the MSE-A color image early media SDP response, completes the color image early media negotiation, and then MSE- The color image early media SDP response of A is removed from the response message, and then the response message is forwarded;
  • Step 113 The ring back color image service service device MSE-B of the called user B plays the color ring media information to the UE-A;
  • Step 114 The color ring image service service device MSE-A of the calling user A plays the color image media information to the UE-B.
  • Steps 116 ⁇ 117 the response message passes MSE-B, MSE-B stops playing the CRBT media information, and forwards the response message;
  • Steps 118 ⁇ 119 the response message passes MSE-A, MSE-A stops playing the color image media information, and forwards the response message;
  • Step 120 UE-A and UE-B establish a normal media session.
  • the technical problem to be solved by the present invention is to provide a method for realizing a CRBT and/or color image service to solve the problem that the process cannot be standardized.
  • the present invention provides a method for implementing a CRBT and/or color image service, which is applied to a multimedia subsystem of a network interconnection protocol, and is characterized in that:
  • the MSE receives the session initiation protocol SIP message
  • the MSE if the MSE is to provide the ringtone or color image service for the service receiver, the MSE generates and provides the The service-related early media session describes the protocol SDP request, and the generated early media SDP request does not satisfy the response request of any early media SDP in the SIP message; then, the MSE adds the generated early media SDP request to the sending office
  • the SIP message of the service receiver is sent and the SIP message is sent out.
  • the above method may also have the following features:
  • the early media SDP request does not satisfy the response request of any early media SDP request in the SIP message, which means: the newly generated content of the early media SDP request is related to the content of all early media SDPs in the SIP message.
  • the comparison meets one or more of the following conditions: The number of media is different, the media type is not identical, and the media order is inconsistent.
  • the above method may also have the following features:
  • the MSE When the MSE generates an early media SDP request related to the service provided by the MSE, it is an initial early media SDP request related to the service provided by the MSE, and then determines whether the SIP message is in the SIP message. There is an early media SDP whose media type, media order, and media number are exactly the same as the initial early media SDP request. If not, the initial early media SDP request is directly used as the generated early media SDP request, if yes, The initial early media SDP requests to add a media type and set the media port corresponding to the media type to 0, so that the finally generated early media SDP request does not satisfy the response request of any early media SDP in the SIP message.
  • the above method may also have the following features:
  • the MSE directly generates an early media SDP request related to the service that the MSE will provide for the service receiver, and the early media SDP request Add to the SIP message sent to the service recipient.
  • the above method may also have the following features:
  • the MSE determines whether the SIP message includes the early media SDP corresponding to the early media SDP request sent before the MSE. Responding; if yes, the MSE uses the early media SDP response to complete the negotiation, deletes the early media SDP response in the SIP message, and then sends the SIP message to the next device; if there is no corresponding early media SDP response, The MSE forwards the received SIP message directly to the next device.
  • the above method may also have the following features:
  • the MSE Before deleting the early media SDP response in the SIP message, the MSE first saves information that can uniquely identify the media connection in the owner information of the early media SDP response.
  • the above method may also have the following features:
  • the information that uniquely identifies the media connection refers to the session identifier session id, or the combination of the IP address and the session id.
  • the above method may also have the following features:
  • the MSE When the MSE receives the SIP message of the early media SDP request including the CRBT and/or the color image service again, if the MSE is the provider of the service, and the owner information in the early media SDP request is before the MSE The saved owner information includes the same information identifying the media connection, and the MSE deletes the early media SDP request in the SIP message after the media negotiation is completed by the early media SDP request, and sends the SIP message to the next device. ; When the MSE receives the subsequent reverse direction message of the SIP message, the early media SDP response corresponding to the early media SDP request is added to the subsequent reverse direction message, and the subsequent reverse direction message is sent to the next device. .
  • the above method may also have the following features:
  • the SIP message received by the MSE is an update message requesting to stop providing a CRBT or color image service, or requesting to resume providing a CRBT or color image service;
  • the MSE After receiving the message in the reverse direction of the SIP message indicating that the update is agreed, the MSE stops playing the ring back tone or color image information to the service receiver, or resumes playing the color ring or color image information.
  • a method for implementing a CRBT and/or color image service according to the present invention can distinguish two or more early media SDPs without using any identification information, so that the process meets the requirements of standardization.
  • Another technical problem to be solved by the present invention is to provide a method for generating an early media SDP request in a CRBT and/or color image service to solve the problem that the process cannot be standardized.
  • the present invention provides a method for generating an early media session description protocol SDP request in a color ring tone and/or color image service, which is applied to an IP multimedia subsystem, where: the ring tones color image service service device MSE receives After the session initiation protocol SIP message, if the MSE is to provide a ring back tone or color image service for the service receiver, the MSE generates an early media session description protocol SDP request related to the service provided by the MSE, and the generated early media SDP request is not satisfied. Any early media SDP response request in this SIP message.
  • the above method may also have the following features:
  • the generated early media SDP request does not satisfy the response request of any early media SDP in the SIP message refers to: the content of the generated early media SDP request and the content of all early media SDPs in the SIP message In comparison, one or more of the following conditions are met: the number of media is different, the media type is not identical, and the media order is inconsistent.
  • the above method may also have the following features:
  • the MSE generates an early media SDP request related to the service provided by the MSE in the following manner: first generating an initial early media SDP request related to the service provided, and then determining whether the media type, the media sequence, and the number of media exist in the SIP message. Complete with the initial early media SDP request The same early media SDP, if not present, directly uses the initial early media SDP request as the generated early media SDP request, if present, by adding media or adjusting media order in the initial early media SDP request The initial early media SDP request that satisfies the response requirement of any early media SDP in the SIP message, when adding media, should set the media port corresponding to the added media to an invalid value.
  • the method for generating an early media SDP request according to the present invention can distinguish two or more early media SDPs without using any identification information, so that the process meets the requirements of standardization.
  • FIG. 2 is a flowchart of simultaneously implementing a color ring tones color image service according to Embodiment 1 of the present invention
  • FIG. 3 is a flowchart of implementing a calling and ringing service of a calling party at the same time in a second embodiment of the present invention
  • FIG. 4 is a flowchart of implementing a calling and calling color image service at the same time in the third embodiment of the present invention
  • FIG. 5 is another flowchart of simultaneously implementing a color ring tones image processing service according to Embodiment 4 of the present invention
  • the MSE after the MSE receives a SIP message, if the MSE needs to provide a ring back tone or color image service for the final receiver of the SIP message, that is, the service receiver (calling or called), the MSE generates the service provided by the MSE.
  • the content of the early media SDP request does not satisfy the response request of all early media SDP requests in the SIP message, that is, the content requested by the early media SDP and all early media SDP in the SIP message Compared with the content, one or more of the following conditions are met: the number of media is different, the media type is not identical, and the order of the media types is inconsistent. If there is no early media SDP in the SIP message, the MSE directly generates an early media SDP request related to the service it provides.
  • FIG. 2 is a basic flow chart of the caller and the called party simultaneously implementing the color ring tones service.
  • the user equipment UE-A of the user A who has activated the calling color picture service calls the user B who has activated the called color ring service.
  • the network uses the Early-Session technology to play the CRBT to the UE-A and the color image to the UE-B before the UE-B answers. The steps are as follows:
  • Steps 201 to 205 are the same as steps 101 to 105 in FIG. 1;
  • Step 206 The temporary response message passes through the MSE-A. Since the MSE-A needs to provide the color image service to the UE-B, the MSD-A color image service early media SDP request is generated.
  • the MSE-A When generating the early media SDP request of the color image service, the MSE-A shall make the early media SDP request not satisfy the response request of all the early media SDP requests in the temporary response message. In this embodiment, when the MSE-A generates the early media SDP request for the color image service, only the MSE-B CRBT service early media SDP request is received in the temporary response message.
  • MSE-A can use the following steps to ensure that the generated color image service early media SDP request does not meet the response requirements of all early media SDP requests in the temporary response message:
  • the early media SDP set which contains all the early media SDP requests in the temporary response message.
  • the early media SDP set only includes the CRC service early media SDP request of the MSE-B;
  • step C Determine whether the early media SDP set is not empty. If it is not empty, perform step D; otherwise, end;
  • step D judging whether there are other media types in the early media SDP request of the above-mentioned color image service (as long as there is a media type, the media type may be the same as or different from the original media type, other embodiments are the same), such as If yes, go to step E; otherwise, execute F;
  • Step C Find, in the early media SDP set, all early media SDPs of the same type of the next media as the next media in the above-mentioned color image service early media SDP request, and keep the found early media SDPs in the early morning. In the media SDP collection, the rest are removed from the collection, and then the step is executed. Step C;
  • F. Determine whether there is an early media SDP in the early media SDP set, and the number of media is the same as the number of media requested by the early media SDP of the color image service. If yes, MSE-A adds a media type to the above-mentioned color image service early media SDP request (for example, by adding a media to add a media type, the media type may also be the same as or different from the original media type in the early media SDP request. And generating a new color image service early media SDP request, the added media type is different from the media type on the corresponding location of all other early media SDPs in the early media SDP set, and the media port corresponding to the media type is Set to an invalid value such as 0; otherwise end;
  • the originally generated color image service early media SDP request can be referred to as an initial color image service early media SDP request.
  • Other embodiments are the same.
  • an attempt may also be made to adjust the order of the media in the initial color image service early media SDP request.
  • the order of the types of the media is different from the order of the types of the media of all the early media SDPs in the SIP message, such as the color media service early media SDP request and the type of the first media of all the early media SDPs in the initial SIP message are
  • the media sequence of the initial media service SDP request of the initial color image service may be adjusted such that the type of the first media is video.
  • any method that causes the generated early media SDP request to not satisfy any early media SDP echo request in the SIP message can be used.
  • the early media SDP request does not satisfy the response request of all early media SDP requests in the temporary response message, that is, the required color image service early media SDP request in the media quantity or media type or media order or three
  • the multiples in the message are different from the CRBT service early media SDP request in the temporary response message.
  • the content of the generated early media SDP request is compared with the content of all the early media SDPs in the SIP message, and one or more of the following conditions are met: the number of media is different, and the types of media are different. The order of the types of media is different.
  • an initial early media SDP request it is also possible to generate an initial early media SDP request, and directly refer to the content of the existing early media SDP to generate an order of the number of media, the type of media, and the type of media.
  • Other embodiments are the same.
  • Step 207 MSE-A sends a temporary response message to UE-A;
  • Early media SDP response such as carrying the content of the early-session type in the message body;
  • Step 209 The MSE-A adds the color media service early media SDP request generated in step 206 to the pre-confirmation request message, for example, the content is also carried in the message body, and sends the modified pre-confirmation request to the message body.
  • Step 210 The pre-confirmation request passes through the MSE-B, and the MSE-B determines that the message contains two early media SDPs, and finds which early media SDP is a response to the early media SDP request of the previously sent CRBT service, and uses the CRBT.
  • the early media SDP response of the service completes the negotiation, and deletes the early media SDP response in the forwarded message;
  • the early media of the CRBT service responds to the SDP request, that is, the amount of media in the content, the media type, and the media sequence SDP request exactly the same as the CRBT service early media SDP request.
  • the responses of other requests in other embodiments are also found in the same way as in the prior art, and will not be repeated below.
  • Step 211 The MSE-B forwards the modified pre-confirmation request to the UE-B.
  • Steps 212 to 222 are the same as steps 110 to 120 in FIG.
  • the color media service early media SDP request of the MSE-A may be regenerated in step 208. Accordingly, steps 206 to 208 are changed to:
  • Step 206 Temporarily respond to the color ring image service service device MSE-A of the calling user A,
  • Step 207 The UE-A receives the temporary response, completes the first normal media negotiation according to the normal media SDP response of the UE-A carried therein, and then sends a pre-confirmation request, where the early media SDP response of the CRBT service carrying the MSE-B is sent. ;
  • Step 208 The pre-confirmation request passes through the MSE-A. Since the MSE-A is to provide the color image service to the UE-B, an MSE-A color image service early media SDP request is generated and added to the pre-confirmation request. When generating the early media SDP request of the color image service, the MSE-A shall make the early media SDP request not satisfy the response request of all the early media SDP requests in the pre-acknowledgment request message, even if the early The media type or media order is different from the above three. In this manner, when the MSE-A generates the early media SDP request for the color image service, only the MSE-B CRBT service early media SDP response is received in the pre-acknowledgment request.
  • FIG. 3 is a basic flow chart of the simultaneous implementation of the calling and called color ring tones service of the calling party, and the user equipment UE-A of the user A who has activated the calling color ringing service, and the user equipment UE of the user B that has opened the called color ringing service.
  • -B both the calling network and the called network use the Early-Session technology to implement the process of playing CRBT to UE-A before the UE-B answers. The steps are as follows:
  • Steps 301 to 305 are the same as steps 101 to 105 of FIG. 1;
  • Step 306 The temporary response message passes through the MSE-A, and the MSE-A also provides the CRBT service to the UE-A. Therefore, the CRC service early media SDP request of the MSE-A is generated and added to the temporary response message.
  • the MSE-A shall cause the CRBT service early media SDP request not to satisfy the response request of all the early media SDP requests in the temporary response message. That is, the generated CRBT service early media SDP request is different in the media quantity or media type or media order or a plurality of the above three, and the MSE-B CRBT service early media SDP request in the temporary response message.
  • the MSE-A when the MSE-A generates the early media SDP request for the CRBT service, only the MSE-B CRBT service early media SDP request is received in the temporary response message.
  • MSE-A can use the following steps to ensure that the generated CRBT service early media SDP request does not meet the response requirements of all early media SDP requests in the temporary response message:
  • the early media SDP set only includes the CRC service early media SDP request of the MSE-B;
  • step D determining whether there is other media type information in the early media SDP request of the CRBT service, if yes, performing step E; otherwise, executing F;
  • the F. Determine whether there is an early media SDP in the early media SDP set, and the number of media is the same as the number of media requested by the early media SDP of the CRBT service. If yes, the MSE-A adds a media type to the CRBT service early media SDP request, generates a new CRBT service early media SDP request, and the corresponding media type corresponds to all the early media SDPs in the early media SDP set. The media type in the location is different, and the media port corresponding to the media type is set to an invalid value such as 0; otherwise, the end;
  • Step 307 The MSE-A sends a modified temporary message of the early media SDP request of the color ring service carrying the MSE-A and the early media SDP request of the color ring service of the MSE-B;
  • Step 308 The UE-A receives the temporary response message, completes the first normal media negotiation, and then sends a pre-acknowledgment request, for example, sends a PRACK message, where the ring back tone service early media SDP response of the MSE-A and the ring tone of the MSE-B are carried.
  • the service early media SDP response such as carrying the content of the early-session type in the message body;
  • Step 309 The pre-confirmation request passes through the MSE-A, and the MSE-A determines that the pre-confirmation request includes two CRBT service early media SDP responses, and finds an early media SDP response corresponding to the previously sent CRBT service early media SDP request. After the early media SDP response is used to complete the negotiation, the CRBT service early media SDP response is deleted in the pre-confirmation request.
  • MSE-A After finding the above-mentioned early media SDP response, MSE-A also needs to remember the information in the owner information contained in the early media SDP response that uniquely identifies the media connection, such as 0 line indicating the session identifier (session id) in the content. a combination of a value or an IP address and a session id value to facilitate subsequent media update negotiation processing; Information that uniquely identifies a media connection.
  • Step 310 The MSE-A sends a modified pre-acknowledgment request, where the pre-confirmation request includes only the CRC service early media SDP response of the MSE-B.
  • Step 311 The pre-confirmation request passes through the MSE-B, and the MSE-B uses the CRBT service early media SDP response in the pre-confirmation request to complete the negotiation, and remembers that the owner information included in the early media SDP response can uniquely identify the media connection.
  • the information, the early media SDP response of the CRBT service is deleted in the sent message;
  • Step 312 The MSE-B forwards the modified pre-confirmation request.
  • Steps 313 ⁇ 315 after receiving the pre-confirmation request, the UE-B sends a pre-acknowledgment response message, for example, sends a "200 OK" message, and the message finally passes to the UE-A after passing through the MSE-B and the MSE-A;
  • a pre-acknowledgment response message for example, sends a "200 OK" message
  • Step 316 The MSE-A completes the CRBT media negotiation, and plays the customized multimedia information of the user A to the UE-A.
  • Step 317 The MSE-B completes the CRBT media negotiation, and plays the customized multimedia information of the user B to the UE-A.
  • the service receiver here, the calling user A
  • the calling user A wants to stop one of the MSEs to play the multimedia information to them, For example, if the calling user A wants to stop the MSE-A from playing multimedia information, perform the following steps:
  • Step 318 The UE-A needs to update the media resource information, so that the MSE-A stops playing the multimedia information for the MSE-A, and then sends a SIP message, for example, sends an UPDATE message, which carries the CRC service of the MSE-A, and the early media SDP request, for example,
  • the message body is carried by the content of the early-session type;
  • Step 319 The SIP message passes through the MSE-A, and the MSE-A determines that the owner information of the CRBT service early media SDP request includes the same identity media connection information as the owner information saved in step 309, such as the owner information.
  • the same session id, or IP address and session id The combination is the same, and after the media ring negotiation is performed by using the CRBT service early media SDP, the CRBT service early media SDP request is deleted from the SIP message;
  • Step 320 - 321 the MSE-A forwards the modified SIP message, and the message finally arrives at the UE-B via the MSE-B;
  • Steps 322 ⁇ 323, UE-B receives the SIP message, and responds to the message that agrees to the update, such as sending
  • Step 324 The MSE-A receives the message of agreeing to update, and adds the response of the early media SDP request of the CRC service of the MSE-A to the message, for example, carrying the content of the early-session type in the message body, and then modifying the content.
  • Step 325 The MSE-A stops playing the CRBT media information to the UE-A according to the requirements of the SIP message.
  • Steps 401 ⁇ 403, UE-A calls UE-B, for example, sends an INVITE message, and carries a normal media SDP request of UE-A, such as carrying a session type content in the message body, and the message passes MSE-A and MSE-B finally arrives at UE-B;
  • Steps 404 ⁇ 406 UE-B receives the call request, responds to the temporary response, such as responding to "183 Session Progress", and carries the indication information supporting the color image service, for example, setting the early-session value in the Support header field, and carrying the UE -A's response to the normal media SDP request, such as carrying the content of the sess i on type in the message body, and the message finally arrives at UE-A via MSE-B and MSE-A;
  • Step 407 The UE-A receives the temporary response, completes the first normal media negotiation, and then sends the pre- Confirm the request, such as sending a PRACK message;
  • Step 408 The pre-confirmation request passes through the MSE-A, and the MSE-A knows that the UE-B supports the color image service, and then adds the MSE-A color image service early media SDP request in the pre-confirmation request, for example, in the message body, early- The content of the session type is carried;
  • the increased MSE-A color image service early media SDP request can also be made in step 406.
  • MSE-B may use the following steps to ensure that the generated multimedia service early media SDP request does not meet the response requirements of all early media SDP requests in the pre-acknowledgment request, that is, in the media quantity or media type or media order or the above three Multiple of the MSE-A color image service early media SDP requests in the pre-confirmation request are different:
  • the early media SDP set which contains all the early media SDPs in the pre-acknowledgment request.
  • the early media SDP set includes only the MSE-A color image service early media SDP request;
  • step C Determine whether the early media SDP set is not empty. If it is not empty, perform step D; otherwise, end;
  • step D judging whether there is other media type information in the early media SDP request of the above-mentioned color image service, if yes, performing step E; otherwise, executing F;
  • Step C Find, in the early media SDP set, all early media SDPs of the same type of the next media as the next media in the above-mentioned color image service early media SDP request, and keep the found early media SDPs in the early morning. In the media SDP collection, the rest are removed from the collection, and then the step is executed. Step C;
  • F. Determine whether there is an early media SDP in the early media SDP set, and the number of media is the same as the number of media requested by the early media SDP of the color image service. If yes, MSE-B requests a media type for the above-mentioned color image service early media SDP request, generates a new color image service early media SDP request, and adds the media type and all other early media in the early media SDP set.
  • the media type of the SDP is different in the corresponding location, and the media port corresponding to the media type is set to an invalid value such as 0; otherwise, the end;
  • Step 410 The MSE-B sends the modified pre-confirmation request.
  • Step 411 The UE-B receives the pre-acknowledgment request, and sends a pre-acknowledgment response message, such as a "200 OK" message, where the MSE-A color image service early media SDP response and the MSE-B color image service early media SDP response are sent. , for example, carried in the message body with the content of the early-session type;
  • Step 412 The pre-acknowledgment response message passes through the MSE-B, and the MSE-B determines that the pre-acknowledgment response includes two color image service early media SDP responses, and finds the early media corresponding to the previously sent color image service early media SDP request. After the SDP responds and completes the negotiation using the early media SDP response, the early media SDP response of the color image service is deleted in the pre-confirmation request.
  • MSE-B After finding the above-mentioned early media SDP response, MSE-B also needs to remember the information in the owner information contained in the early media SDP response that uniquely identifies the media connection, such as the session id value or IP in the content indicated by line 0. The combination of the address and the session id value to facilitate subsequent media update negotiation processing;
  • Step 413 The MSE-B sends the modified pre-acknowledgment response message.
  • Step 414 The pre-acknowledgment response message passes through the MSE-A, and the MSE-A extracts the early media SDP response of the color image service of the MSE-A, completes the negotiation of the color image early media, and remembers the owner included in the early media SDP response.
  • the information in the information can uniquely identify the media connection, and the MSE-A color image service early media SDP response is removed from the message;
  • Step 415 The MSE-A sends the modified pre-acknowledgment response message.
  • Step 416 The MSE-B plays the multimedia information customized by the user B to the UE-B.
  • Step 417 The MSE-A plays the multimedia information customized by the user A to the UE-B.
  • the service implementer here, the called user B
  • the called user B wants to stop an MSE to play the multimedia information to the user B
  • the called user B wants to stop the MSE-B from playing multimedia information for example. Perform the following steps:
  • Step 418 The UE-B needs to update the media resource information to stop the MSE-B from playing multimedia information to the MSE-B, and then send a SIP message, such as sending an UPDATE message, where the MSE-B color image service early media SDP request is sent, for example, The message body is carried in the content of the early-session type; Step 419, the SIP message passes through the MSE-B, and the MSE-B determines that the owner information of the early media SDP request includes the same identifier as the owner information saved in step 412.
  • a SIP message such as sending an UPDATE message, where the MSE-B color image service early media SDP request is sent, for example,
  • the message body is carried in the content of the early-session type
  • Step 419 the SIP message passes through the MSE-B, and the MSE-B determines that the owner information of the early media SDP request includes the same identifier as the owner information saved in step 412.
  • the information of the media connection such as the session id in the owner information is the same, or the combination of the IP address and the session id is the same, so the media negotiation is performed using the early media SDP request, and the early media SDP request of the color image service is received from the SIP message.
  • Step 420 - 421 the MSE-B sends the modified SIP message, and the message finally arrives at the UE-A via the MSE-A;
  • Steps 422 ⁇ 423 after receiving the SIP message, the UE-A responds to the message that agrees to the update, for example, sends a "200 OK" message, and the message arrives at the MSE-B via the MSE-A;
  • Step 424 The MSE-B receives the message of agreeing to update, and adds the response of the early media SDP request of the color image service of the MSE-B to the message, for example, carrying the inner answer of the early-session type in the message body, and then modifying After the message is sent out;
  • Step 425 The MSE-B stops playing the color image media information to the UE-B according to the requirements of the SIP message.
  • the SIP message received by the MSE may also be an update message requesting to resume the service of the CRBT or the color image service.
  • the MSE receives the message that the subsequent reverse direction of the SIP message indicates that the update is agreed, the CRBT can be restored.
  • the processing of the SDP request is the same as the above process.
  • FIG. 5 is another basic flowchart of the same process for the calling party and the called party to simultaneously implement the color ring tones service, and describes the user equipment UE-A of the user A who has activated the calling color picture service, and the user who has opened the called color ring to ring service.
  • the network uses the Early-Session technology to play the CRBT to the UE-A and the color image to the UE-B before the UE-B responds. The steps are as follows:
  • Step 501 The UE-A calls the UE-B, for example, sends an INVITE message, and carries the indication information supporting the CRBT service, for example, setting an early-session value in the Support header field, and carrying the normal media SDP request of the UE-A.
  • the indication information supporting the CRBT service for example, setting an early-session value in the Support header field, and carrying the normal media SDP request of the UE-A.
  • the content is carried by the session type, and the message is transmitted through the CRBT color image service service device MSE-A of the calling user A, and the MSE-A forwards the request;
  • Step 502 The call request passes through the ringtone of the called user B.
  • business service equipment MSE-B Like business service equipment MSE-B,
  • the MSE-B forwards the request.
  • the MSE-B can delete the support CRBT service indication in the request.
  • Step 503 The MSE-B knows that the UE-A supports the CRBT service and knows the need according to the service setting of the UE-B.
  • the UE-A provides the CRBT service, and generates a temporary response message, such as a "183 Session Progress" message, and adds an early media SDP request for the CRC service of the MSE-B, for example, carrying the content of the early-session type in the message body.
  • the message passes through MSE-A, and MSE-A forwards the message;
  • the MSE-A When the temporary response message passes through the MSE-A, the MSE-A does not generate the MSE-A early-media SDP request for the color image service because there is no indication that the UE-B supports the color image service.
  • Step 504 The UE-A receives the temporary response, sends a pre-confirmation request, for example, sends a “PRACK” request, and carries an early media SDP response including the color ring media resource information, for example, carrying the content of the early-session type in the message body.
  • the request is routed through MSE-A, and the MSE-A forwards the request;
  • Step 505 The pre-confirmation request arrives at the MSE-B, and the MSE-B performs media negotiation by using the early media SDP that responds to the CRBT service early media resource SDP request response, and records the media information included in the media resource response that uniquely identifies the media connection.
  • Information such as the session id value in the content indicated by line 0 or the combination of the IP address and the session id value, to facilitate subsequent media update negotiation processing;
  • Step 506 The MSE-B sends a pre-acknowledgment response message to the calling party, for example, sending a "200 OK" message, and the message arrives at the UE-A via the MSE-A;
  • the above steps 503 506 can be parallel with step 507 and subsequent steps, without a fixed sequence.
  • Step 507 After receiving the call request of step 502, the UE-B sends a temporary response message, for example, sends a "183 Session Progress" message, and carries indication information supporting the color image service, for example, setting an early-session value in the Support header field. ;
  • Step 508 The MSE-B receives the temporary response message of the UE-B, and forwards the message to the calling party, and the message passes through the MSE-A.
  • the MSE-A knows that the UE-B supports the color image service and knows the service according to the service setting of the UE-A. It is necessary to provide a color image service for UE-B, and then generate an MSE-A color image service early media SDP request.
  • the MSE-A When the MSE-A generates the early media SDP request for the color image service, the early media SDP request should not satisfy the response request of all the early media SDP requests in the temporary response message.
  • the temporary response message does not contain any early media SDP request, so the early media SDP request can be directly generated, and the MSE-A then forwards the temporary response message to the UE-A;
  • Step 509 UE-A receives a new temporary response, and sends a pre-confirmation request.
  • Step 510 The pre-confirmation request passes through the MSE-A, and the MSE-A adds the color image service early media SDP request generated in step 508 to the pre-confirmation request, and sends the modified pre-confirmation request.
  • MSE-A can also generate MSE-A's color media service early media SDP request in this step, because the SDP response also carries some information of the SDP request, so MSE-A can use all the early media SDP in the pre-acknowledgment request.
  • the pre-confirmation request does not carry any early media SDP, so the generated color image service early media SDP request can be directly added to the pre-confirmation request.
  • Step 511 The MSE-B receives the new pre-confirmation request, and learns that the early media SDP is included therein, and then determines whether the owner information of the early media SDP request includes the same presentation media as the owner information saved in step 505.
  • the connection information such as the session id in the owner information is the same, or the combination of the IP address and the session id is the same. In this example, the judgment result is different, and the early media SDP request negotiation media is not used;
  • Step 512 the result of the determination in step 511 is different, and then the MSE-B forwards the pre-confirmation request to the UE-B;
  • Steps 513 to 523 are the same as steps 110 to 120 in FIG.
  • the UE-B returns a pre-acknowledgment response after receiving the pre-confirmation request and carries the early media SDP back containing the color image media resource information. Should.
  • the MSE-A uses the early media SDP response to perform media negotiation, and records the identification information of the media connection contained therein.
  • a method for realizing a CRBT and/or color image service provided by the present invention enables a service device (SE) to use no logo when providing a ring back tone or color image service for a service receiver (UE)
  • SE service device
  • UE service receiver
  • two or more early media session description protocols early media SDP are distinguished, so that the process meets the requirements of standardization.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)

Abstract

L'invention concerne un procédé de mise en oeuvre de service de tonalité de retour d'appel et/ou de tonalité de retour d'appel multimédia et/ou un procédé de production d'une demande SDP multimédia anticipée dans le service de tonalité de retour d'appel et/ou de tonalité de retour d'appel multimédia. Après réception d'un message SIP par un serveur de service de tonalité de retour d'appel/de tonalité de retour d'appel multimédia, si un service de tonalité de retour d'appel/de tonalité de retour d'appel multimédia doit être fourni à la dernière partie réceptrice du message SIP, alors une demande SDP multimédia anticipée associée audit service fourni est générée, mais ladite demande SDP multimédia anticipée ne satisfait pas les exigences de réponse de l'ensemble des demandes SDP multimédia anticipées contenues dans le message SIP, le MSE ajoute la demande SDP multimédia anticipée nouvellement générée dans le message SIP et transfère le message SIP.
PCT/CN2009/070108 2008-01-10 2009-01-12 Procédé de mise en oeuvre de service de tonalité de retour d'appel et/ou de tonalité de reour d'appel multimédia et de production de demande sdp multimédia anticipée WO2009089797A1 (fr)

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CN101217698B (zh) * 2008-01-10 2010-09-29 中兴通讯股份有限公司 一种实现彩铃和/或彩像业务的方法
CN101753517B (zh) * 2008-10-14 2012-06-27 华为终端有限公司 发送及接收多媒体铃音文件的方法，服务器及用户设备
CN102257784B (zh) * 2008-11-13 2016-04-06 华为终端有限公司 一种实现多媒体铃音业务安全机制的方法、设备及系统
CN102006371B (zh) * 2009-09-02 2014-01-22 华为终端有限公司 一种实现多媒体彩振业务的方法及设备
CN102148807B (zh) 2010-02-08 2014-06-04 华为技术有限公司 一种实现彩铃彩振业务的方法,装置和系统
CN102404295B (zh) * 2010-09-15 2016-05-25 中兴通讯股份有限公司 会话中早媒体的播放方法及系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101009575A (zh) * 2006-12-30 2007-08-01 北京邮电大学 在一次呼叫过程中实现多个早期媒体类业务的方法
CN101043647A (zh) * 2007-03-13 2007-09-26 华为技术有限公司 实现多媒体彩铃和多媒体彩像业务的方法、系统及装置
CN101079927A (zh) * 2007-06-28 2007-11-28 中兴通讯股份有限公司 Ip多媒体子系统网络中实现多媒体彩像业务的方法及系统
CN101217698A (zh) * 2008-01-10 2008-07-09 中兴通讯股份有限公司 一种实现彩铃和/或彩像业务的方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101009575A (zh) * 2006-12-30 2007-08-01 北京邮电大学 在一次呼叫过程中实现多个早期媒体类业务的方法
CN101043647A (zh) * 2007-03-13 2007-09-26 华为技术有限公司 实现多媒体彩铃和多媒体彩像业务的方法、系统及装置
CN101079927A (zh) * 2007-06-28 2007-11-28 中兴通讯股份有限公司 Ip多媒体子系统网络中实现多媒体彩像业务的方法及系统
CN101217698A (zh) * 2008-01-10 2008-07-09 中兴通讯股份有限公司 一种实现彩铃和/或彩像业务的方法

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