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WO2009124512A1 - Procédé de mise en œuvre pour commander une lecture de multimédia anticipé - Google Patents

Procédé de mise en œuvre pour commander une lecture de multimédia anticipé Download PDF

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Publication number
WO2009124512A1
WO2009124512A1 PCT/CN2009/071229 CN2009071229W WO2009124512A1 WO 2009124512 A1 WO2009124512 A1 WO 2009124512A1 CN 2009071229 W CN2009071229 W CN 2009071229W WO 2009124512 A1 WO2009124512 A1 WO 2009124512A1
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WO
WIPO (PCT)
Prior art keywords
media
early
message
early media
information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2009/071229
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English (en)
Chinese (zh)
Inventor
谢振华
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ZTE Corp
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ZTE Corp
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Filing date
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Publication of WO2009124512A1 publication Critical patent/WO2009124512A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • H04L65/1069—Session establishment or de-establishment
    • 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
    • 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

Definitions

  • the present invention relates to the field of communications, and more particularly to a method for controlling a multimedia information playing service, also referred to as an early media service, in a call setup process in an IP multimedia subsystem without a session being answered.
  • a multimedia information playing service also referred to as an early media service
  • IP Internet Protocol, Network Interconnection Protocol
  • Multimedia Subsystem is an IP-based network architecture proposed by the 3rd Generation Partnership Project (3GPP).
  • 3GPP 3rd Generation Partnership Project
  • 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 functions in the control layer are completed by the Call Session Control Function (CSCF).
  • CSCF Call Session Control Function
  • P-CSCF Proxy-Call Session Control Function
  • I-CSCF Interrogating Call Session Control Function
  • S-CSCF Serving Call Session Control Function
  • the main responsibility is S-CSCF, and I-CSCF is Optional.
  • the service layer is composed of a series of application servers (ASs), which are used to provide specific service services.
  • ASs application servers
  • the ASs can be independent entities or exist in the S-CSCF.
  • the S-CSCF of 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.
  • the end-to-end device in the session is called User Equipment (UE) and is responsible for interaction with the user.
  • UE User Equipment
  • SIP Session Initiation Protocol
  • MRF multimedia resource function
  • the multimedia resource function is also called the participation of the media server. It is divided into the control part MRFC (Multimedia Resource Function Controller) and media processing.
  • MRFP Multimedia Resource Function Processor, a multimedia resource function processor
  • the control part MRFC is responsible for translating and interpreting the SIP signaling of the AS as an instruction to the MRFP, or vice versa, translating and interpreting the response signaling of the MRFP to be sent to the SE (Serving Equipment) SIP signaling; and the processing part of the MRFC is responsible for the transmission and reception of the media stream.
  • SE Server Equipment
  • the MG is mainly responsible for transmitting media information in a traditional network (non-IMS network) to the IMS network. Similar to the MRF, the MG is also divided into a control part MGCF. And media processing part MGW.
  • the early media service allows the network to play multimedia information to the calling user or the called user in the case that the called party has not answered the call.
  • the service played to the calling user is also called the CRBT service, and the service is played to the called user. Also known as the color image business.
  • FIG. 1 is a basic message flow diagram of a conventional one-number service causing a colorful bell, and describes a process in which an IMS calling party UE-A calls an IMS called UE-B, and the called UE-B opens a one-number service.
  • the UE-B and the legacy terminal C are required to be called at the same time, and both the called UE-B and the legacy terminal C are enabled with the CRBT service.
  • the CR-Ren service device of the UE-B Both the AS-B and the media gateway MG-C of the legacy terminal C play the CRBT media to the calling UE-A, and the UE-A requests the MG-C to prohibit the process of playing the CRBT media.
  • the one-number service is composed of the called S-CSCF. (ie S-CSCF-B) is executed, the steps are as follows:
  • the UE-A initiates a call request to the UE-B through the S-CSCF-B, for example, sends an INVITE message, and the message carries the normal media resource information of the UE-A, for example, carried in the message body, including the media type. , media port number and address information, and can inform the network UE-A to support early media, such as carrying the P-Early-Media field, the value is supported;
  • Step 102 the UE-B is activated by the CRBT service, and after receiving the INVITE message, the S-CSCF-B forwards the message to the CRBT service device AS-B of the UE-B according to the Initial Filter Criteria (iFC).
  • iFC Initial Filter Criteria
  • Steps 103 to 104 the AS-B forwards the call request to the UE-B via the S-CSCF-B;
  • Steps 105 to 106 UE-B receives a call request, and responds to a temporary response message, such as a "183 Session Progress" message, and the message is sent to the color ring tone AS-B via the S-CSCF-B;
  • Steps 107 to 108 the CRBT AS-B forwards the temporary response message to the UE-A via the S-CSCF-B.
  • Steps 109-110 the CRBT AS-B performs the CRBT service, allocates the CRBT media resource, and then uses the standard branch response technology.
  • the calling media resource information is the color ring media resource information, for example, the P-Early-Media field carries a non-supported value, and the message is sent to the UE-A via the S-CSCF-B;
  • the step 109 has no relationship with the step 103, and can be executed at the same time.
  • Step 111 The AS-B plays the CRBT media information to the UE-A.
  • This step has no relationship with step no and must be executed after step 109.
  • Step 112 The S-CSCF-B performs the one-number service, and then initiates a call request to the traditional terminal C by using a standard branching technology, for example, sending an INVITE message, and carrying the obtained normal media resource information of the UE-A;
  • This step 112 has no relationship with step 102 and can be performed simultaneously.
  • Step 113 The MG-C includes the MGCF and the MGW. After receiving the call message, the traditional circuit C in the traditional network is called by the circuit switching standard process, and the traditional terminal C activates the CRBT service in the traditional network. The service service device decides to play the CRBT media information to the UE-A;
  • Step 114 The MG-C responds to the temporary response message, for example, responding to "183 Session Progress", because the color ring media information needs to be sent to the calling party, and the MG-C sends a temporary response message to the calling party via the S-CSCF-B, in the temporary
  • the response message carries the media resource information, for example, carried in the message body, including the media type, the media port number, and the address, and may carry the CRBT media identifier to notify the calling media resource information as the CRBT media resource information, for example, P-Early - the Media field carries a non-"supported" value representation;
  • Step 115 the S-CSCF-B forwards the temporary response message to the UE-A;
  • Step 116 The MG-C plays the CRBT media information to the calling UE-A.
  • This step 116 has no relationship with step 115, but must be performed after step 114.
  • Steps 117 ⁇ 118 UE-A wants to stop the color ring media playing of the traditional terminal C, and then requires the traditional network of the traditional terminal C to prohibit sending media, such as sending an UPDATE (update) message or a PRACK (pre-acknowledgment) message, carrying the UE-A
  • the media resource information is carried in the message body, for example, the attribute of each media type is set to not allow the other party to send, for example, setting the attribute line a of each media type to sendonly (send only) or inactive (deactivate), the message is S- CSCF-B arrives at MG-C;
  • Steps 119 ⁇ 120 MG-C receives early media indication message, stops sending media information, and agrees to prohibit sending media, such as responding to "200 OK" message, carrying MG-C media resources
  • Step 121 The traditional terminal C answers the call, and the traditional network of the traditional terminal C stops the playing of the color ringing medium;
  • Steps 122 to 123 the MG-C receives the response signaling of the legacy terminal C, and sends a response message to the UE-A, for example, sending a "200 OK" message. Since the normal media and the ring back tone media use the same media resource, the message is not Carrying the media resource information, the response message is sent to the UE-A via the S-CSCF-B; Steps 124-125, the UE-A receives the response message, and requires the legacy network of the legacy terminal C to allow the transmission of the media, for example, sending relNVITE (re-invitation)
  • the message carries the media resource information of the UE-A, for example, is carried in the message body, where the attributes of each media type are set to allow the other party to send, for example, setting the attribute line a of each media type to sendrecv (send and receive) or recvonly, the message is S-CSCF-B arrives at MG-C;
  • Steps 126 ⁇ 127 after receiving the re-invitation message, the MG-C agrees to send the media, for example, responding to the "200 OK" message, carrying the media resource information of the MG-C, for example, carrying in the message body, wherein the attributes of each media type Set to allow transmission, for example, set the a row value of each media type to sendrecv or sendonly, and send the message to UE-A via S-CSCF-B;
  • Step 128 The UE-A and the legacy terminal C implement the call through the media transfer of the MG-C, and the session between the UE-A and the UE-B is terminated by the S-CSCF-B according to a standard procedure.
  • the disadvantages of the prior art are: when the function entity that controls the early media transmission is prohibited from transmitting the color ring tone media, all media including the color ring tone and the normal media are prohibited, thereby affecting the session; and, after the user answers, there is It may be irrational to require renegotiation to allow interaction of media data to enable the call of the calling and called parties.
  • the technical problem to be solved by the present invention is to provide an implementation method for controlling early media playback. After the user answers, the call can be realized without renegotiating the media data.
  • the present invention provides an implementation method for controlling early media playback. After receiving an early media indication message that does not carry media resource information and carries an early media identifier, the functional entity that controls early media transmission is The early media identification control media processing device continues or stops transmitting the early media information in the session to which the early media indication message belongs.
  • the early media indication message is sent by the calling user or the application server.
  • the early media identifier is carried by a P-Early-Media field in the message body, and the value of the P-Early-Media field is not "supported".
  • P-Early-Media field value when the P-Early-Media field value is sendonly or inactive, it means that the sending of the early media information is prohibited; and when the P-Early-Media field value is sendrecv or recvonly, it is allowed to continue to send the early media information.
  • the device After receiving the early media indication message that the P-Early-Media field value is sendonly or inactive, the device returns to agree to prohibit sending the early media information.
  • the function entity that controls the early media transmission does not support the early media identifier
  • the function entity supporting the early media identification in the path through which the early media indication message passes indicates that the function entity sent by the early media determines whether to control the media processing device to continue or stop transmitting the early media information according to the early media indication message.
  • the function entity that controls the early media transmission is an application server, or a media gateway control function, or a proxy call session control function;
  • the media processing device is a multimedia resource function processor, or a media gateway, or a media processing device of an IP bearer network.
  • the implementation method for controlling early media playback of the present invention has the following advantages: When the function entity that controls the early media transmission is prohibited from transmitting the color ring tone media, only the early media information is prohibited, so that the normal media and The session has an impact; when the user answers, the call of the calling party and the called party can be realized without re-negotiating the interaction of the media data.
  • 1 is a basic message flow chart of a colorful bell caused by a one-number service in the prior art
  • FIG. 4 is a basic message flow diagram of still another embodiment of the present invention.
  • the main idea of the present invention is: when it is required to control the playing of the early media, the functional entity corresponding to the control of the early media transmission is prohibited from transmitting the early media, instead of prohibiting all the media including the early media and the normal media, thereby avoiding the existing A drawback in the technology, that is, after the user answers, it is also necessary to re-negotiate the media that is allowed to be used for the media data necessary for the call.
  • Implementation methods include:
  • the calling user or the CRBT AS needs to control the function of the early media transmission (such as CRBT AS, MGCF or P-CSCF) to stop playing the CRBT media, send an UPDATE (update) or PRACK (pre-acknowledgement) message to control the early media transmission.
  • the function entity the message does not carry any media resource information, and carries the early media identifier, such as carrying the P-Early-Media field, the value is sendonly or inactive, requesting to stop sending the early media, and the functional entity controlling the early media sending receives the UPDATE
  • the media processing device such as the media processing device that controls the MRFP, the MGW, or the IP bearer network, stops sending the early media information;
  • the UPDATE or PRACK message is sent to the functional entity that controls the early media transmission, without any media resource information.
  • the functional entity controlling the early media transmission receives the UPDATE or PRACK message, and then controls the MRFP, the MGW, or the IP bearer.
  • Media processing devices such as media processing devices of the network continue to transmit early media information.
  • FIG. 2 is a basic message flow diagram of a multi-number service causing a colorful bell according to the present invention, and describes a process in which an IMS calling UE-A calls an IMS called UE-B, and the called UE-B opens a one-number service. It is required to simultaneously call the UE-B and the legacy terminal C, and both the called UE-B and the legacy terminal C have the CRBT service enabled.
  • the UE-B CRBT service device AS- B and the MG-C of the legacy terminal C both play the ring back tone media to the calling UE-A, and the UE-A separately requests the CRBT AS-B and the MG-C to prohibit the process of playing the CRBT media, wherein the one-number service is called by the called S -CSCF (ie S-CSCF-B) is executed.
  • S -CSCF the one-number service
  • the P-CSCF is omitted from the figure. As shown in Figure 2, the steps are as follows:
  • Steps 201 to 216 are the same as steps 101 to 116 in FIG. 1;
  • Steps 217 - 218, UE-A wants to stop the color ring media playing of the traditional terminal C, and then sends the early media indication message to request the traditional network of the traditional terminal c to prohibit sending the early media, such as sending An UPDATE message or a PRACK message, without any media resource information, and carrying an early media identifier, such as carrying a P-Early-Media field, the value is sendonly or inactive, and the message is sent to the MG-C via the S-CSCF-B;
  • Steps 219 ⁇ 220 after receiving the above message, the MG-C stops sending the early media information, and agrees to prohibit the sending of the early media, for example, responding to the "200 OK" message, without any media resource information, and carrying in the response message
  • the early media identifier for example, carrying the P-Early-Media field, the value is recvonly or inactive, and the message is sent to the UE-A via the S-CSCF-B;
  • Steps 221 ⁇ 222 if the UE-A also stops the CR-Rell media playback of the UE-B, the B-party is prohibited from sending the early media, for example, sending an UPDATE message or a PRACK message without any media resource information, and carrying the early media identifier.
  • the B-party is prohibited from sending the early media, for example, sending an UPDATE message or a PRACK message without any media resource information, and carrying the early media identifier.
  • the P-Early-Media field the value is sendonly or inactive, and the message is sent to the ring back tone AS-B via the S-CSCF-B;
  • Steps 223 ⁇ 224 the AS-B receives the early media indication message, instructing the media playback device to stop sending the early media information, and agrees to prohibit the sending of the early media, for example, responding to the "200 OK" message, without any media resource information, portable
  • the early media identifier for example, carrying the P-Early-Media field, the value is recvonly or inactive, and the message is sent to the UE-A via the S-CSCF-B;
  • Step 225 the traditional terminal C answers the call, and the traditional network of the traditional terminal C stops the playback of the color ring media;
  • the MG-C receives the response signaling of the legacy terminal C, and sends a response message to the UE-A, for example, sending a "200 OK" message. Since the normal media and the ring back tone media use the same media resource, the message is not Carrying the media resource information, the response message is sent to the UE-A via the S-CSCF-B; Step 228, between the UE-A and the legacy terminal C, the call is implemented by the media transfer of the MG-C, and between the UE-A and the UE-B The session is terminated by the S-CSCF-B using standard procedures.
  • Step 217 220 embodies the control of the MG/MGCF as a functional entity for controlling early media transmission for early media playback, and steps 221 to 224 exemplify the control of the AS as a functional entity for controlling early media transmission.
  • FIG. 3 is a basic message flow chart of providing a unique ring back tone for the one-number service of the present invention, describing the IMS
  • the traditional terminal B opens the one-number service in the IMS network and provides the one-number ring tones, requiring simultaneous calling of the traditional terminal B and the traditional terminal C, while the traditional terminal C is traditional.
  • the one-way service service device AS prohibits the MG-C from playing the ring back tone media to the calling UE-A, and plays the number one for the UE-A.
  • the one-number service is performed by the called AS.
  • the one-number ring tone service is also performed by the AS, and the P-CSCF is omitted in the figure.
  • the steps are as follows:
  • Steps 301-302 UE-A calls the traditional terminal B, for example, sends an INVITE message, where the message carries the normal media resource information of the UE-A, for example, carried in the message body, including the media type, the media port number, and the address, and The network UE-A can be informed that the early media is supported, for example, the P-Early-Media field is carried, and the value is supported, and the message is routed to the one-way AS through the S-CSCF;
  • Steps 303 ⁇ 304 the number of the AS forwards the call request to the legacy terminal B, and the message is sent to the MG-B via the S-CSCF;
  • Step 305 the MG-B calls the traditional terminal B in the traditional network by using the circuit switching standard procedure; Steps 306 ⁇ 307, the MG-B responds to the temporary response message, such as the "183 Session Progress" message, and the message is sent to the S-CSCF. No. AS;
  • Steps 308 ⁇ 309 the number-pass AS forwards the temporary response message to the UE-A via the S-CSCF;
  • Steps 310-311 the number-pass AS performs the one-number service, and then initiates a call to the legacy terminal C by using the standard branch technology.
  • the request for example, sending an INVITE message, carrying the obtained normal media resource information of the UE-A, and the message is sent to the MG-C via the S-CSCF;
  • This step has no relationship with step 303 and can be performed simultaneously.
  • Step 312 The MG-C uses the circuit switching standard process to call the traditional terminal C in the traditional network, and the traditional terminal C activates the CRBT service in the traditional network, so the CRBT service device of the traditional network plays the CRBT media information to the calling party;
  • Steps 313 ⁇ 314, the MG-C responds with a temporary response message, such as a response "183 Session
  • the MG-C carries the media resource information in the temporary response message, for example, carried in the message body, including the media type, the media port number and the address, etc., and can carry the color ring media.
  • the identifier is used to inform the calling media resource information that the color ring media resource information is For example, the P-Early-Media field carries a non-supported value, and the message is sent to the one-way AS through the S-CSCF;
  • Steps 315 - 316 the number-pass AS needs to provide unique ring back tone media information, to stop the early media play of the legacy terminal C, and then send the early media indication message to request the traditional network of the legacy terminal C to prohibit sending the early media, such as sending an UPDATE message or a PRACK message, without any media resource information, and carrying an early media identifier, such as carrying a P-Early-Media field, the value is sendonly or inactive, and the message is sent to the MG-C via the S-CSCF;
  • Steps 317 ⁇ 318 the MG-C receives the early media indication message, stops sending the early media information, and agrees to prohibit the sending of the early media, for example, responding to the "200 OK" message, without any media resource information, may carry the early media identifier.
  • the P-Early-Media field is carried in the response message, and the value is recvonly or inactive, and the message is sent to the No. 1 AS through the S-CSCF;
  • the value of the P-Early-Media field carried in the response message is set corresponding to the sendonly or inactive in the UPDATE message or the PRACK; if the early media indication message received by the MG-C is allowed to continue to send the early media, If the value in the UPDATE message or PRACK is sendrecv or recvonly, the P-Early-Media field may be carried in the response message, and the value is sendrecv or sendonly.
  • Steps 319-320 the number-pass AS deletes the early media identifier of the temporary response message received in step 314, and then forwards the message to the UE-A via the S-CSCF;
  • Steps 321 ⁇ 322 the number-pass AS performs the CRBT service, allocates the CRBT media resource, and then sends a temporary response message to the UE-A by using a standard branch response technology, such as a "183 Session Progress" message, carrying the number one pass ringtone media resource information.
  • a standard branch response technology such as a "183 Session Progress" message, carrying the number one pass ringtone media resource information.
  • it is carried in the message body, including media type, media port number and address, and may carry an early media identifier to inform the calling media resource information as early media resource information, for example, carrying a P-Early-Media field.
  • the supported" value indicates that the message is sent to the UE-A via the S-CSCF;
  • This step has no relationship with step 303 and can be performed simultaneously.
  • This step has no relationship with step 322 and must be performed after step 321 .
  • Step 324 the traditional terminal C answers the call, and the traditional network of the traditional terminal C stops. Playback of color ring media;
  • Steps 325 ⁇ 326 the MG-C receives the response signaling of the legacy terminal C, and sends a response message to the UE-A, for example, sending a "200 OK" message. Since the normal media and the ring back tone media use the same media resource, the message is not Carrying the media resource information, the response message reaches the one-way AS through the S-CSCF; Step 327, the number-pass AS stops playing the first-number ringtone media information;
  • Steps 328 ⁇ 329 the first-number AS forwards the response message to the UE-A, and the message passes through the S-CSCF.
  • step 330 the UE-A and the legacy terminal C implement the call through the medium transfer of the MG-C, UE-A and the traditional The session between terminals B is terminated by the one-way AS using standard procedures.
  • This embodiment embodies the control of the MG as a function entity for controlling the transmission of the early media.
  • the MG is controlled according to the prohibition of sending the early media message sent by the AS.
  • the MG may also be based on the UE-
  • the indication message sent by A to prohibit or continue to send early media enables control of early media playback.
  • FIG. 4 is a basic message flow diagram of a multi-number service causing a colorful bell according to the present invention, and describes a process in which an IMS calling UE-A calls a legacy terminal B, and the traditional terminal B opens a one-number service in the IMS network.
  • the traditional terminal B and the traditional terminal C are called, and the traditional terminal B and C both open the CRBT service in the traditional network.
  • both the traditional terminal B and the legacy terminal C have not yet responded, both the traditional network B and the legacy network C are directed to the UE.
  • -A plays CRBT media information
  • UE-A requires MG-C to prohibit the process of playing CRBT media.
  • the one-number service can be executed by S-CSCF. The steps are as follows:
  • Steps 401-402 UE-A calls the traditional terminal B, for example, sends an INVITE message, where the message carries the normal media resource information of the UE-A, for example, carried in the message body, including the media type, the media port number, and the address, and The network UE-A can be informed that the early media is supported, for example, carrying the P-Early-Media field, the value is supported, and the message is sent to the S-CSCF via the P-CSCF;
  • Step 403 the S-CSCF forwards the call request to the legacy terminal B;
  • Step 404 The call message passes through the MG-B, and the MG-B uses the circuit switching standard process to call the traditional terminal B in the traditional network, and the traditional terminal B opens the CRBT service in the traditional network, so the traditional The CRBT service device of the network plays the CRBT media information to the calling party;
  • Step 405 The MG-B responds to the temporary response message, for example, responding to "183 Session Progress", because the color ring media information needs to be sent to the calling party, and the MG-B carries the media resource information in the temporary response message, for example, carried in the message body.
  • the media type, the media port number, and the address are included, and the color ring media identifier can be carried to notify the calling media resource information to be the color ring media resource information, for example, the P-Early-Media field carries a non-supported value;
  • Step 406 407 the temporary response message is sent to the UE-A via the S-CSCF, and the S-CSCF forwards the temporary response message to the UE-A via the P-CSCF;
  • Step 408 The MG-B sends the CRBT media information to the calling UE-A.
  • This step has no relationship with step 407, but must be performed after step 406.
  • Step 409 The S-CSCF performs a one-number service, and then initiates a call request to the traditional terminal C by using a standard branching technology, for example, sending an INVITE message, and carrying the obtained normal media resource information of the UE-A;
  • This step has no relationship with step 403 and can be performed simultaneously.
  • Step 410 The call message passes through the MG-C, and the MG-C uses the circuit switching standard process to call the traditional terminal C in the traditional network, and the traditional terminal C activates the CRBT service in the traditional network, so the CRBT service device of the traditional network is directed to the main Calling the party to play the ringtone media information;
  • Step 411 The MG-C responds to the temporary response message, for example, responding to "183 Session Progress", because the color ring media information needs to be sent to the calling party, and the MG-C carries the media resource information in the temporary response message, for example, carried in the message body.
  • the media type, the media port number, and the address are included, and the color ring media identifier can be carried to notify the calling media resource information to be the color ring media resource information, for example,
  • the P-Early-Media field carries a non-supported value representation
  • Steps 412 ⁇ 413 the temporary response message is sent to the UE-A via the S-CSCF, and the S-CSCF forwards the temporary response message to the UE-A via the P-CSCF;
  • Step 414 The MG-C sends the ring back tone media information to the calling UE-A.
  • This step has no relationship with step 413 and must be executed after step 412.
  • Steps 415 - 417 UE-A wants to stop the color ring media playing of the traditional terminal C, and then sends the early media indication message to request the traditional network of the traditional terminal c to prohibit sending the early media, such as sending UPDATE (update) message or PRACK (pre-acknowledgment) message, without any media resource information, and carrying an early media identifier, such as carrying a P-Early-Media field, value is sendonly or inactive, message via P-CSCF and S-CSCF Send to MG-C;
  • UPDATE update
  • PRACK pre-acknowledgment
  • Steps 418 ⁇ 420 the MG-C receives the early media indication message, but the MG-C is the old device, does not support the P-Early-Media field, and then ignores the message, still does not stop sending the early media data, and sends the response according to the standard.
  • the message for example, responds to the "200 OK" message, does not carry any media resource information, and the message arrives at the UE-A via the S-CSCF and the P-CSCF;
  • Step 421 The P-CSCF can identify the message in step 415, and can directly decide to perform the media control function, or control whether the media processing device located in the IP bearer network does not forward the MG according to whether the response message in step 419 carries the early media identifier.
  • the early media information sent by the C to the UE-A, wherein the process in which the P-CSCF controls the bearer network media processing device to stop sending the media is a standard process;
  • Steps 422 ⁇ 424 the user wants to hear the CRBT of the traditional terminal C.
  • the UE-A wants to continue the CRBT media playback of the legacy terminal C, so that the traditional network of the legacy terminal C is required to allow the early media to be sent, for example, sending an UPDATE (update) Message or PRACK (pre-acknowledgment) message, without any media resource information, and carrying an early media identifier, such as carrying a P-Early-Media field with a value of sendrecv or recvonly, the message is sent to the MG via the P-CSCF and the S-CSCF -C;
  • UPDATE update
  • PRACK pre-acknowledgment
  • Steps 425 ⁇ 427 the MG-C receives the early media indication message, but the MG-C is the old device, does not support the message, and then ignores the message, still does not stop sending the early media data, and sends the response message according to the standard, such as responding "200 OK" message, does not carry any media resource information, the message is sent to the UE-A via the P-CSCF and the S-CSCF;
  • Step 428 the P-CSCF can identify the message of step 422, and decide to perform the media control function, and continue to forward the early media information sent by the MG-C to the UE-A;
  • Step 429 the traditional terminal C answers the call, and the traditional network of the traditional terminal C stops the playing of the color ringing medium;
  • Steps 430 ⁇ 431 the MG-C receives the response signaling of the legacy terminal C, and sends a response message to
  • UE-A for example, sends a "200 OK" message. Since the normal media and the ringback media use the same media resource, the message does not carry the media resource information, and the response message is sent to the P-CSCF via the S-CSCF; Step 432, P- The CSCF receives the response message, performs the media control function, and forwards the MG-C to send Media information for UE-A and media information sent by UE-A to MG-C;
  • Step 433 The UE-A and the legacy terminal C implement the call through the media transfer of the MG-C, and the session between the UE-A and the legacy terminal B is terminated by the S-CSCF using a standard procedure.
  • This embodiment embodies the P-CSCF as a functional entity for controlling early media transmission to implement control of early media playback.
  • the method of the present invention can also be applied to the control of early media playback in a non-one-number service, and the method of the present invention is equally applicable to the color picture service in the early media service.

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

Abstract

L'invention porte sur un procédé de mise en œuvre pour commander une lecture de multimédia anticipé, dans lequel : une entité de fonction pour commander l'envoi de multimédia anticipé, après la réception d'un message indiquant un multimédia anticipé qui porte un identifiant de multimédia anticipé mais ne porte pas d'informations de ressource multimédia, commande un dispositif de traitement multimédia à continuer ou à cesser d'envoyer des informations multimédias anticipées dans une session à laquelle le message indiquant un multimédia anticipé appartient sur la base de l'identifiant de multimédia anticipé. Par comparaison avec l'état de la technique, le procédé de la présente invention met en jeu les avantages suivants : lorsque l'entité de fonction pour commander l'envoi de multimédia anticipé se voit notifier l'interdiction d'envoyer un service de tonalité de retour d’appel, uniquement les informations multimédias anticipées sont interdites, de telle sorte que le multimédia normal et les sessions peuvent ne pas être influencés ; lorsqu'un utilisateur répond, la conversation entre une partie appelante et une partie appelée peut être obtenue sans interdiction de données multimédias par renégociation.
PCT/CN2009/071229 2008-04-11 2009-04-10 Procédé de mise en œuvre pour commander une lecture de multimédia anticipé Ceased WO2009124512A1 (fr)

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CN101621517B (zh) * 2009-07-27 2013-08-07 中兴通讯股份有限公司 一种多媒体子系统回铃音的实现方法及装置
CN101931907B (zh) 2010-07-23 2014-03-12 中兴通讯股份有限公司 一种分组核心网呼叫传统电路域网络用户的方法及系统
CN103118238B (zh) * 2011-11-17 2016-03-16 中国电信股份有限公司 视频会议的控制方法和视频会议系统
CN102625000B (zh) * 2011-12-06 2017-03-29 中兴通讯股份有限公司 一号通业务中实现彩铃业务的方法和一号通业务服务器
CN103888622B (zh) * 2012-12-21 2016-08-10 中国移动通信集团北京有限公司 一种多媒体铃音播放方法、装置及系统

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