WO2023130854A1 - Procédé de mise en œuvre de service supplémentaire, et entité, terminal, dispositif électronique et support d'enregistrement - Google Patents

Procédé de mise en œuvre de service supplémentaire, et entité, terminal, dispositif électronique et support d'enregistrement Download PDF

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Publication number
WO2023130854A1
WO2023130854A1 PCT/CN2022/134439 CN2022134439W WO2023130854A1 WO 2023130854 A1 WO2023130854 A1 WO 2023130854A1 CN 2022134439 W CN2022134439 W CN 2022134439W WO 2023130854 A1 WO2023130854 A1 WO 2023130854A1
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WIPO (PCT)
Prior art keywords
supplementary service
entity
data channel
dedicated data
call
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PCT/CN2022/134439
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English (en)
Chinese (zh)
Inventor
韩晶晶
王梦晓
章璐
方琰崴
李立平
陈世林
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中兴通讯股份有限公司
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Publication of WO2023130854A1 publication Critical patent/WO2023130854A1/fr

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    • 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
    • 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
    • H04L65/1096—Supplementary features, e.g. call forwarding or call holding

Definitions

  • the embodiments of the present application relate to the technical field of communications, and in particular to a supplementary service implementation method, entity, terminal, electronic device, and storage medium.
  • the Internet Protocol Multimedia Subsystem is a subsystem proposed by the Third Generation Partnership Project (3GPP) to support the multimedia services of the Internet Protocol. It is the development direction of multimedia communication and can be very Good for communication between people. It adopts the Session Initial Protocol (SIP) system, which makes the communication independent of the access mode, and has the separation of control functions and bearing capacity, call and session, application and service, business and network separation of various multimedia services. , and various capabilities such as the integration of mobile network and Internet services. With the development of communication technology, more and more information needs to be interacted with, and the service experience provided to users is also more and more abundant.
  • SIP Session Initial Protocol
  • supplementary services are mainly This is achieved by extending SIP signaling to accommodate supplementary business information.
  • SIP signaling is transmitted on the same call path, and the extended SIP signaling is easily affected by intermediate network elements in the call path when it is transmitted on the call path. Impact, once the intermediate network element performs special processing on the extension fields in SIP signaling, it will affect the transmission of information; different supplementary services may need to be implemented at different stages of the call, such as before, during, and after a call, but SIP Signaling needs to conform to the rules of signaling interaction during transmission. Therefore, the supplementary services realized by extending SIP signaling can only realize corresponding supplementary services at the specified stage of the call according to the rules. Service information cannot be flexibly transmitted through SIP signaling, which increases the difficulty of implementation; with the increase of various supplementary service information, the information carried by SIP signaling becomes more and more, which affects the efficiency of call establishment.
  • the main purpose of the embodiment of the present application is to propose a supplementary service implementation method, entity, terminal, electronic device, and storage medium, aiming at overcoming the dependence of the transmission of supplementary service information on SIP signaling, so that the realization of supplementary service is no longer subject to SIP signaling and its transmission path limitations.
  • the embodiment of the present application provides a supplementary service implementation method, which is applied to the supplementary service application entity, including: receiving the call event of the calling terminal reported by the call base entity; based on the call event, sending the call base
  • the entity issues a control instruction, and instructs the media base entity to establish a first dedicated data channel with the calling terminal and a second dedicated data channel with the supplementary service application entity through the calling base entity;
  • the first dedicated data channel and the second dedicated data channel are used to send and receive supplementary service information of the calling terminal.
  • the embodiment of the present application also proposes a supplementary service implementation method, which is applied to the media base entity, including: after receiving the channel establishment instruction sent by the calling base entity, establishing the first communication with the calling terminal A dedicated data channel and a second dedicated data channel with the supplementary service application entity; when the supplementary service information sent by the supplementary service application entity is received through the second dedicated data channel, the supplementary service information Send to the calling terminal through the first dedicated data channel; when receiving the supplementary service information sent by the calling terminal through the first dedicated data channel, send the supplementary service information through the The second dedicated data channel is sent to the supplementary service application entity.
  • the embodiment of this application also proposes a supplementary service implementation method, which is applied to the call base entity, including: after receiving the call request from the calling terminal, sending a supplementary service application entity to which the calling terminal belongs Reporting a call event; according to the received control instruction from the supplementary service application entity, instruct the media base entity to establish a first dedicated data channel with the calling terminal and a second dedicated data channel with the supplementary service application entity.
  • a dedicated data channel; wherein, the first dedicated data channel and the second dedicated data channel are used to transmit supplementary service information of the calling terminal between the supplementary service application entity and the calling terminal.
  • the embodiment of the present application also proposes a supplementary service implementation method, which is applied to the calling terminal, including: after initiating a call, establishing a first dedicated data channel with the media base entity; through the first dedicated data channel, and a second dedicated data channel between the media base entity and the supplementary service application entity to which the calling terminal belongs, to send and receive supplementary service information of the calling terminal.
  • the embodiment of the present application also proposes a supplementary service application entity, including: a receiving module, used to receive the call event of the calling terminal reported by the call base entity; The event sends a control instruction to the calling base entity, and the calling base entity instructs the media base entity to establish a first dedicated data channel with the calling terminal and a second dedicated data channel with the supplementary service application entity.
  • a dedicated data channel ; a transmission module, configured to send and receive supplementary service information of the calling terminal through the first dedicated data channel and the second dedicated data channel.
  • the embodiment of the present application also proposes a media base entity, including: a channel establishment module, configured to establish a first dedicated communication with the calling terminal after receiving the channel establishment instruction sent by the calling base entity.
  • a data channel and a second dedicated data channel with the supplementary service application entity with the supplementary service application entity;
  • a transmission module configured to transmit the supplementary service information sent by the supplementary service application entity through the second dedicated data channel
  • the supplementary service information is sent to the calling terminal through the first dedicated data channel; when the supplementary service information sent by the calling terminal is received through the first dedicated data channel, the supplementary service The information is sent to the supplementary service application entity through the second dedicated data channel.
  • the embodiment of the present application also proposes a call base entity, including: a reporting module, configured to report the call to the supplementary service application entity to which the calling terminal belongs after receiving a call request from the calling terminal Event; an indication module, configured to instruct the media base entity to establish a first dedicated data channel with the calling terminal and to establish a first dedicated data channel with the supplementary service application entity according to the received control instruction of the supplementary service application entity The second dedicated data channel; wherein, the first dedicated data channel and the second dedicated data channel are used to transmit the supplementary service of the calling terminal between the supplementary service application entity and the calling terminal information.
  • the embodiment of the present application also proposes a calling terminal, including: an establishment module, used to establish a first dedicated data channel with the media base entity after initiating a call; a transmission module, used to pass the first dedicated data channel The data channel, and the second dedicated data channel between the media base entity and the supplementary service application entity to which the calling terminal belongs, send and receive supplementary service information of the calling terminal.
  • an embodiment of the present application also provides an electronic device, including: at least one processor; and a memory connected to the at least one processor in communication; wherein, the memory stores information that can be used by the at least one processor An instruction executed by a processor, the instruction is executed by the at least one processor, so that the at least one processor can execute the supplementary service implementation method described in any one of the above.
  • the embodiment of the present application also provides a computer-readable storage medium, which stores a computer program, and when the computer program is executed by a processor, implements the supplementary service implementation method described in any one of the preceding items.
  • the calling base entity forwards the call initiated by the calling terminal to the supplementary service application entity, so that the supplementary service application entity triggers the action of issuing a control command to the calling base entity based on the received call event, Therefore, the calling base entity can instruct the media base entity to establish a first dedicated data channel with the calling terminal and a second dedicated data channel with the supplementary service application entity according to the received control instruction, thereby supplementing the service application entity and Supplementary service information can be sent and received between calling terminals through the first dedicated data channel and the second dedicated data channel, without extending SIP signaling to accommodate supplementary service information.
  • the implementation of supplementary services overcomes the dependence on SIP signaling, thereby avoiding problems such as the limitation of transmission paths caused by the need to expand SIP, the high difficulty of implementation, and the impact of extended information on call setup efficiency, so that the implementation of supplementary services is no longer subject to constraints.
  • SIP signaling and its transmission path limitations are the problems such as the limitation of transmission paths caused by the need to expand SIP, the high difficulty of implementation, and the impact of extended information on call setup efficiency, so that the implementation of supplementary services is no longer subject to constraints. SIP signaling and its transmission path limitations.
  • Fig. 1 is a flowchart of a supplementary service implementation method applied to a supplementary service application entity provided in an embodiment of the present application;
  • Fig. 2 is a communication architecture diagram involved in a supplementary service implementation method provided in an embodiment of the present application
  • FIG. 3 is a flow chart of a method for implementing a supplementary service applied to a media base entity provided in another embodiment of the present application;
  • FIG. 4 is a flowchart of a method for implementing a supplementary service applied to a call base entity provided in another embodiment of the present application
  • FIG. 5 is a flowchart of a method for implementing a supplementary service applied to a calling terminal provided in another embodiment of the present application
  • Fig. 6 is an interaction diagram of a supplementary service realization method including downloading a supplementary service program provided in another embodiment of the present application;
  • Fig. 7 is an interaction diagram of a method for implementing a supplementary service in the scenario of implementing a forwarding service during call establishment provided in another embodiment of the present application;
  • FIG. 8 is an interaction diagram of a supplementary service implementation method in the scenario of implementing a conference service after a call is established provided in another embodiment of the present application;
  • Fig. 9 is an interaction diagram of a supplementary service implementation method in the scenario of continuing to deliver service information after a call is ended provided in another embodiment of the present application;
  • Fig. 10 is a schematic diagram of information interaction in a nested scenario of a supplementary service implementation method provided in another embodiment of the present application.
  • Fig. 11 is a schematic structural diagram of a supplementary service application entity provided in another embodiment of the present application.
  • Fig. 12 is a schematic structural diagram of a media base entity provided in another embodiment of the present application.
  • Fig. 13 is a schematic structural diagram of a call base entity provided in another embodiment of the present application.
  • FIG. 14 is a schematic structural diagram of a calling terminal provided in another embodiment of the present application.
  • Fig. 15 is a schematic structural diagram of an electronic device provided in another embodiment of the present application.
  • the embodiment of the present application provides a supplementary service implementation method, which is applied to the supplementary service application entity, including: receiving the call event of the calling terminal reported by the call base entity; based on the call event, sending the call base
  • the entity issues a control instruction, and instructs the media base entity to establish a first dedicated data channel with the calling terminal and a second dedicated data channel with the supplementary service application entity through the calling base entity;
  • the first dedicated data channel and the second dedicated data channel are used to send and receive supplementary service information of the calling terminal.
  • the calling base entity forwards the call initiated by the calling terminal to the supplementary service application entity, so that the supplementary service application entity triggers the action of sending a control command to the calling base entity, so that the calling base entity can follow the
  • the received control instruction instructs the media base entity to establish a first dedicated data channel with the calling terminal and a second dedicated data channel with the supplementary service application entity, so that the supplementary service application entity and the calling terminal can
  • the supplementary service information is sent and received through the first dedicated data channel and the second dedicated data channel, without extending the SIP signaling to accommodate the supplementary service information.
  • the embodiment of the present application provides a method for implementing a supplementary service, which is applied to a supplementary service application entity, as shown in FIG. 1 , specifically including:
  • Step 101 receiving a call event of a calling terminal reported by a call base entity.
  • the call base entity after receiving the call event initiated by the calling terminal through the call path, the call base entity triggers an action of reporting the call event to the supplementary service application entity through the call path.
  • the access control entity Session Border Controller/Proxy-Call Session Control Function, SBC/P-CSCF
  • SBC/P-CSCF Session Border Controller/Proxy-Call Session Control Function
  • I/S-CSCF Interrogating/Serving-Call Session Control Function
  • I/S-CSCF provides query/serving-call session control functions, which are used to provide functions such as registration authentication, session control, and call routing for calling terminals.
  • the call event can be delivered to the call base entity based on call routing, where the I/S-CSCF also requires the Home Subscriber Server (HSS) to provide storage of authentication information, service trigger rules and other information.
  • HSS Home Subscriber Server
  • the calling terminal can initiate a call event to the call base entity through the call path in the following manner: the calling terminal transmits the call event to the I/S-CSCF through the SBC/P-CSCF, and the I/S-CSCF makes a call based on the HSS
  • the event is authenticated. If the authentication is passed, the call event is passed to the call base entity, which triggers the call base entity to report the call event to the supplementary service application entity, so that the supplementary service application entity receives the call event. That is to say, the call event is still delivered to the supplementary service application entity through the call path of terminal-SBC/P-CSCF-I/S-CSCF-call base entity-supplementary service application entity to trigger subsequent supplementary service implementation actions.
  • Step 102 Send a control instruction to the calling base entity based on the call event, and instruct the media base entity to establish a first dedicated data channel with the calling terminal and a second dedicated data channel with the supplementary service application entity through the calling base entity .
  • a control instruction is issued to the calling base entity, and the calling base entity instructs the media base entity to establish a first dedicated data channel with the calling terminal and a second dedicated data channel with the supplementary service application entity.
  • the data channel can be realized in the following way: based on the call event, a control command is issued to the calling base entity, and the calling base entity is triggered to instruct the media base entity to establish a program download channel with the calling terminal.
  • the program download channel is used to transmit the boot program and the calling terminal.
  • a dedicated data channel and a second dedicated data channel with the supplementary service application entity are only for the case where the calling terminal has not deployed the supplementary service program or the supplementary service program needs to be updated, and the calling base entity instructs the media base entity to establish the first dedicated data channel with the calling terminal and communicate with the supplementary service
  • the calling terminal is deployed with a supplementary service program or the supplementary service program does not need to be updated, there is no need to download the supplementary service program again, and details will not be repeated here.
  • the supplementary service program is stored in the guide server, and when the calling terminal requests the supplementary service program, the request carries a uniform resource locator (Uniform Resource Locator, URL) pointing to the guide server, so that the request for the supplementary service program
  • URL Uniform Resource Locator
  • the media base entity accesses the guidance server based on the URL to obtain supplementary service programs from the guidance server and return them to the calling terminal, especially the media base
  • the entity accesses the guidance server based on the URL, it can also establish a dedicated data channel, so as to download supplementary business programs from the guidance server through the dedicated data channel.
  • the calling terminal usually needs to rely on the SBC/P-CSCF to communicate with the network side. Therefore, the establishment of the first dedicated data channel between the media base entity and the calling terminal actually includes the media base entity and the SBC The dedicated data channel between /P-CSCF and the dedicated data channel between SBC/P-CSCF and the calling terminal.
  • the call base entity shown in Figure 2 is usually used as an intermediate network element on the call path, which undertakes the call management capability of the IMS, and can provide functions such as call establishment, media negotiation control, and management of audio and video calls and data channel calls.
  • the call base entity also provides management functions for the media base entity, and manages the media base entity according to the control instructions of the application entity, including application, modification and deletion of dedicated data channels, application for audio and video conference resources, Amendment and deletion, application, amendment and deletion of voice recognition capabilities.
  • the supplementary service application entity is docked with the call base entity, and is usually used to obtain session event information from the call base entity and control the session according to the business logic.
  • the service application entity also provides the function of controlling and controlling the media base entity to create, modify and delete a dedicated data channel, and after establishing a dedicated data channel with the media base entity, it is also used to supplement the business data through the dedicated data channel Send to the calling terminal and receive the data sent by the calling terminal through the dedicated data channel.
  • the media base entity is used as a media plane control network element to provide media services for the supplementary service application entity.
  • the media base entity can be used to provide management functions for dedicated data channels and media resources and forwarding functions for supplementary service data.
  • SBC/P-CSCF is used to provide signaling and media access for calling terminals, support audio and video stream channels and data stream channels, and forward audio and video streams and data streams.
  • the supplementary service may involve multiple supplementary service application entities, that is, the supplementary service application entities need to communicate with each other.
  • the calling base entity of the calling terminal needs to Communicate with the call base entity of the called terminal to trigger the supplementary service creation process of the called terminal, etc.
  • the method for implementing the supplementary service further includes: assigning a control interface to the call event, carrying the identifier of the control interface in SIP signaling, and sending it to other supplementary services in the call path An application entity; wherein, the control interface is used to receive supplementary service information sent by other supplementary service application entities in the call path.
  • the supplementary service information includes: the supplementary service information sent by other supplementary service application entities in the call path received through the control interface.
  • the control interface includes a control interface based on Hyper Text Transfer Protocol (Hyper Text Transfer Protocol, HTTP).
  • the identifier of the control interface includes the foreign language name of the HTTP Uniform Resource Identifier (UniformResourceIdentifier, URI).
  • Step 103 send and receive supplementary service information of the calling terminal through the first dedicated data channel and the second dedicated data channel.
  • the supplementary service information includes one of the following or any combination thereof: forwarding service information, conference service information, forwarding service information, user control instructions, and supplementary service execution results.
  • the embodiment of the present application also provides a supplementary service implementation method, which is applied to the media base entity, as shown in Figure 3, specifically including:
  • Step 301 After receiving the channel establishment instruction sent by the calling base entity, establish a first dedicated data channel with the calling terminal and a second dedicated data channel with the supplementary service application entity.
  • the supplementary service after receiving the channel establishment instruction sent by the calling base entity, before establishing the first dedicated data channel with the calling terminal and the second dedicated data channel with the supplementary service application entity, the supplementary service is implemented
  • the method also includes: establishing a program download channel with the calling terminal; sending the boot program obtained from the boot server to the calling terminal through the program download channel, and the boot program includes information of a plurality of supplementary service programs; receiving the calling terminal through the program download channel Based on the information of the supplementary service program selected by the boot program, the selected supplementary service program is sent to the calling terminal through the program download channel, so that the calling terminal initiates a dedicated data channel creation request to the supplementary service application entity based on the selected supplementary service program, Wherein, the selected supplementary service program is acquired from the bootstrap server.
  • Step 302 When the supplementary service information sent by the supplementary service application entity is received through the second dedicated data channel, send the supplementary service information to the calling terminal through the first dedicated data channel.
  • Step 303 in case the supplementary service information sent by the calling terminal is received through the first dedicated data channel, send the supplementary service information to the supplementary service application entity through the second dedicated data channel.
  • the embodiment of the present application also provides a supplementary service implementation method, which is applied to the call base entity, as shown in Figure 4, specifically including:
  • Step 401 after receiving a call request from a calling terminal, report a call event to a supplementary service application entity to which the calling terminal belongs.
  • Step 402 Instruct the media base entity to establish a first dedicated data channel with the calling terminal and a second dedicated data channel with the supplementary service application entity according to the received control instruction from the supplementary service application entity.
  • the first dedicated data channel and the second dedicated data channel are used to transmit the supplementary service information of the calling terminal between the supplementary service application entity and the calling terminal.
  • the embodiment of the present application also provides a supplementary service implementation method, which is applied to the calling terminal, as shown in Figure 5, specifically including:
  • Step 501 after initiating a call, establish a first dedicated data channel with a media base entity.
  • the media base entity after initiating the call and before establishing the first dedicated data channel with the media base entity, it also includes: establishing a program download channel with the media base entity; receiving the bootstrap program obtained by the media base entity from the boot server through the program download channel,
  • the guide program includes information of multiple supplementary service programs; select the supplementary service program based on the guide program, and send the information of the selected supplementary service program to the media base entity through the program download channel, so that the media base entity can obtain the selected supplementary service from the guide server program; after the media base entity delivers the received supplementary service program, it receives the supplementary service program sent by the media base entity through the program download channel, and initiates a dedicated data channel creation request based on the received supplementary service program.
  • Step 502 send and receive supplementary service information of the calling terminal through the first dedicated data channel and the second dedicated data channel between the media base entity and the supplementary service application entity to which the calling terminal belongs.
  • the foregoing method embodiments do not limit the timing of sending and receiving supplementary service information.
  • the existing supplementary service information is accommodated by extending SIP signaling.
  • SIP signaling is transmitted through the call path, it will be limited by the call path. Therefore, the supplementary service information can only be sent and received at an appropriate call time. take effect.
  • the supplementary service implementation method provided in this embodiment provides a dedicated data channel for the supplementary service information, so that the supplementary service information is no longer transmitted through the call path.
  • the sending and receiving of the supplementary service information does not need to consider the timing of the call, and can be during the call connection process
  • service information can be transmitted to the user’s home AS through the control interface identifier of the user’s home AS, and the user’s home AS implements supplementary business logic, such as forwarding service information to the calling party. Terminal, or execute business nesting logic.
  • the above method embodiments mainly describe the implementation method of the supplementary service of the calling terminal.
  • the called terminal is also involved in the realization of the supplementary service.
  • the supplementary service of the called terminal The call event reporting process of the I/S-CSCF of the called terminal is triggered by the calling terminal to realize the supplementary service of the called terminal.
  • the supplementary service of the called terminal starts from the reporting of the call by the I/S-CSCF, which roughly The process is roughly the same as the implementation of the supplementary service of the calling terminal, and will not be repeated here.
  • the following will respectively use the calling terminal without deploying the supplementary service program, the realization of the forwarding service during the call establishment process, and the conference service after the call establishment Scenarios such as implementation, continuous transmission of service information after the end of the call, and business nesting are described as examples.
  • Step 601 terminal A reports a call event to the call base entity through SBC/P-CSCF and I/S-CSCF.
  • Step 602 the call base entity continues to report the received call event to the supplementary service application entity.
  • Step 603 when the supplementary service application entity detects that the terminal has not deployed the supplementary service program, it sends a control instruction to the call base entity to instruct the establishment of a program download channel.
  • Step 604 the calling base entity issues an instruction to establish a program download channel to the media base entity.
  • Step 605 the media base entity establishes a program download channel with terminal A.
  • Step 606 terminal A requests the boot program from the media base entity through the program download channel.
  • Step 607 the media base entity issues a bootstrap program to terminal A.
  • Step 608 terminal A requests the supplementary service program from the media base entity based on the received bootstrap program.
  • Step 609 the media base entity sends the supplementary service program to terminal A.
  • Step 610 terminal A initiates a dedicated data channel creation request to the supplementary service application entity based on the supplementary service procedure.
  • Step 611 the supplementary service application entity sends a control command to the call base entity to instruct the establishment of a dedicated data channel
  • the dedicated data channel includes the second dedicated data channel between the supplementary service application entity and the media base entity and the media base entity through the SBC/ The first dedicated data channel between P-CSCF and terminal A.
  • Step 612 the calling base entity issues an instruction to establish a dedicated data channel to the media base entity.
  • the media base entity establishes dedicated data channels with the supplementary service application entity and terminal A respectively.
  • Step 614 the supplementary service application entity sends supplementary service application data as supplementary service information to terminal A through the dedicated data channel created by the media base entity.
  • Step 615 terminal A executes the supplementary service operation according to the received supplementary service application data.
  • Step 616 terminal A sends the user instruction as supplementary service information to the supplementary service application entity through the dedicated data channel created by the media base entity.
  • Step 618 the supplementary service application entity executes the supplementary service logic according to the received user instruction.
  • Step 619 the supplementary service application entity returns the execution result as supplementary service information to terminal A through the dedicated data channel created by the media base entity.
  • the above is mainly a description of the implementation process of the supplementary service of the calling terminal, and the called terminal is roughly the same, the difference is that the call event reported by the supplementary service application entity of the called terminal is usually provided by the I of the calling terminal. /S-CSCF trigger.
  • the calling terminal is terminal A
  • the called terminal is terminal B
  • the call is forwarded to terminal C
  • terminals A, B, and C correspond to Different call base entities and supplementary service application entities.
  • the implementation process of supplementary services mainly includes:
  • Step 701 the call event of terminal A is reported to the supplementary service application entity 1 through SBC/P-CSCF, I/S-CSCF, and call base entity 1 in sequence.
  • step 702 the control instruction of the supplementary service application entity 1 is transmitted to the media base entity through the call base entity 1.
  • the media base entity creates dedicated data channels with the supplementary service application entity 1 and the terminal A respectively according to the control instruction.
  • Step 704 the supplementary service application entity 1 sends a continuation call instruction carrying HTTP URI to the I/S-CSCF through the call base entity 1.
  • Step 705 the I/S-CSCF sends a forwarding service call request carrying an HTTP URI to the call base entity 2 according to the received continuation call indication.
  • Step 706 the call base entity 2 reports the call event to the supplementary service application entity 2.
  • step 707 the supplementary service application entity 2 obtains the number of the terminal C in response to the call event.
  • Step 708 the supplementary service application entity 2 sends the number of terminal C to the calling base entity 2, so as to change the called number to the number of terminal C.
  • Step 709 after the supplementary service application entity 2 triggers the forwarding service successfully, it sends forwarding service information to the supplementary service application entity 1 according to the received HTTP URI.
  • Step 710 the supplementary service application entity 1 executes service logic according to the received forwarding service information and generates forwarding service information as supplementary service information to be delivered to terminal A.
  • Step 711 the supplementary service application entity 1 sends the forwarding service information delivered to terminal A to terminal A through the dedicated data channel created by the media base entity.
  • step 712 the calling base entity 2 initiates a request to call the terminal C to the I/S-CSCF.
  • step 713 the I/S-CSCF initiates a call base entity 3 request to call terminal C.
  • Step 714 the call base entity 3 reports the call event to the supplementary service application entity 3, so as to trigger the implementation process of the supplementary service of the terminal C.
  • Step 715 after the supplementary service application entity 3 completes the response to the reported call event, it returns an instruction to continue calling terminal A to the I/S-CSCF through the call base entity 3.
  • step 716 the I/S-CSCF initiates a call request to terminal C, so as to establish a forwarded call to terminal C.
  • this embodiment is mainly for the purpose of briefly describing the scenario of implementing the forwarding service during the call establishment process. Some structures and interaction processes are not shown in FIG. 7. For example, when a call event is reported, the call Events are not shown via the SBC/P-CSCF, and the following embodiments do not show all structures and all interaction processes involved in the interaction based on similar reasons, so details will not be repeated here.
  • the calling terminal is terminal A
  • the called terminal is terminal B
  • terminals A and B correspond to different call base entities and supplementary service application entities respectively.
  • the implementation process of supplementary services mainly includes:
  • Step 801 the call event of terminal A is reported to the supplementary service application entity 1 through SBC/P-CSCF, I/S-CSCF, and call base entity 1 in sequence.
  • step 802 the control instruction of the supplementary service application entity 1 is transmitted to the media base entity through the call base entity 1.
  • Step 803 the media base entity creates dedicated data channels with the supplementary service application entity 1 and terminal A respectively.
  • Step 804 the supplementary service application entity 1 issues an instruction to trigger the next service to the call base entity 1 .
  • step 805 the call base entity 1 returns an instruction to trigger a conference service to the supplementary service application entity 1 .
  • step 806 the supplementary service application entity 1 sends the call base entity 1 a conference media instruction for applying for the chairman.
  • step 807 the call base entity 1 initiates a conference media request for the chairman to the media base entity.
  • Step 808 the media base entity returns the conference media configuration information of the chairman application to terminal A via the call base entity 1 .
  • Step 809 After receiving the successful response of the conference media applying for the chairman, the supplementary service application entity 1 sends conference service information as supplementary service information to terminal A through the dedicated data channel created by the media base entity.
  • the conference service information includes the current member list.
  • Step 810 terminal A initiates a request to add a new member to the supplementary service application entity 1.
  • Step 811 the supplementary service application entity 1 sends the conference media indication of the requesting member terminal B to the call base entity 1 .
  • step 812 the call base entity 1 initiates a conference media request of the member terminal B to the media base entity.
  • Step 813 the media base entity returns the conference media configuration information of the requesting member terminal B to the call base entity 1 .
  • step 814 the call base entity 1 reports to the supplementary service application entity 1 a successful response of member terminal B's conference media preparation.
  • Step 815 the supplementary service application entity 1 initiates a call terminal B request to the I/S-CSCF via the call base entity 1.
  • step 816 the I/S-CSCF initiates a call terminal B request to the call base 2.
  • step 817 the call base entity 2 reports the call event to the supplementary service application entity 2.
  • step 818 the supplementary service application entity 2 returns a service completion response to the call base entity 2 after responding to the reported call event.
  • Step 819 the call base entity 2 returns the configuration information of the terminal B to the I/S-CSCF.
  • step 820 the I/S-CSCF sends a call request including configuration information to terminal B.
  • Step 821 After terminal B responds to the call request and establishes the call, the supplementary service application entity 1 sends the conference service information of terminal B's entry into the conference as compensation service information to terminal A through the dedicated data channel created by the media base entity.
  • step 820 the following interaction process is included: member terminal B responds to the received call request and rings, and then the I/S-CSCF will notify the calling base entity 2 and receive the response message returned by the calling base entity 2, so that I / The S-CSCF notifies the supplementary service application entity 1 of the ringing response of the member terminal B through the calling base entity 1 .
  • Supplementary service application entity 1 returns the supplementary service message that member terminal B rings to terminal A.
  • the supplementary service application entity of terminal A transmits the conference service information to terminal A through the dedicated data channel, and the conference service information is that member terminal B enters the conference.
  • the supplementary service application entity of A transmits the conference service information as compensation service information to terminal A through the dedicated data channel, and the conference service information is that B exits the conference.
  • the calling terminal is terminal A
  • the called terminal is terminal B
  • terminals A and B correspond to different call base entities and supplementary service application entities respectively.
  • the implementation process of the supplementary business mainly includes:
  • Step 901 the call event of terminal A is reported to the supplementary service application entity 1 through SBC/P-CSCF, I/S-CSCF, and call base entity 1 in sequence.
  • step 902 the control instruction of the supplementary service application entity 1 is transmitted to the media base entity through the call base entity 1.
  • Step 903 the media base entity creates dedicated data channels with the supplementary service application entity 1 and terminal A respectively.
  • step 904 the supplementary service application entity 1 sends an instruction to continue the call to the I/S-CSCF by sending the call base entity 1 .
  • step 905 the I/S-CSCF initiates a call base entity 2 request to call terminal B.
  • Step 906 the call base entity 2 reports the call event to the supplementary service application entity 2.
  • step 907 the supplementary service application entity 2 returns a service completion response to the call base entity 2 after responding to the reported call event.
  • Step 908 the call base entity 2 returns the information of the terminal B to the I/S-CSCF.
  • step 909 the I/S-CSCF initiates a call request to terminal B.
  • step 910 after terminal B answers, the call service is triggered.
  • Step 911 terminal B initiates a call termination request to the I/S-CSCF.
  • Step 912 the I/S-CSCF sends a call end message to the calling base entity 2 .
  • Step 913 the call base entity 2 returns a response message to the I/S-CSCF.
  • step 914 the I/S-CSCF notifies terminal B to end the call.
  • step 915 the call base entity 2 initiates a service experience query to the supplementary service application entity 2.
  • step 916 the supplementary service application entity 2 initiates a service experience inquiry to the supplementary service application entity 1 .
  • Step 917 the supplementary service application entity 1 sends service experience query information as supplementary service information to terminal A through the dedicated data channel created by the media base entity.
  • Step 918 terminal A returns an inquiry response as compensation service information to supplementary service application entity 1 through the dedicated data channel created by the media base entity, and compensation service application entity 1 forwards the inquiry response to supplementary service application entity 2.
  • Step 919 the supplementary service application entity 2 initiates a release process to the terminal A by calling the base entity 2.
  • the service experience query can also be other business information, such as "reminder of lottery drawing", to notify terminal B to complete the action of lottery drawing.
  • the calling terminal is terminal A
  • the called terminal is terminal B
  • terminals A, B, and C correspond to different Call the base entity and the supplementary service application entity.
  • the implementation process of the supplementary service mainly includes:
  • Terminal A reports the call event to supplementary service application entity 1 through SBC/P-CSCF1, I/S-CSCF1, and call base entity 1. Then the supplementary service application entity 1 transmits the control instruction of the supplementary service application entity 1 to the media base entity by calling the base entity 1, so as to instruct the media base entity to create a dedicated data channel between the supplementary service application entity 1 and terminal A, that is, the media The second dedicated data channel between the base entity and the supplementary service application entity 1 and the first dedicated data channel between the media base entity and terminal A.
  • the supplementary service application entity will also issue a call indication to the I/S-CSCF1 together with the call base entity 1, and the I/S-CSCF1 will initiate the carrying of the supplementary service application entity 1 to the I/S-CSCF2 corresponding to the terminal B according to the received call indication.
  • HTTP URI call request I/S-CSCF2 reports the call event to the supplementary service application entity 2 through the call base entity 2, and the supplementary service application entity 2 sends a playback instruction to the supplementary service application entity 1 through the HTTP URI.
  • the supplementary service application entity 1 sends the playback file as supplementary service information to terminal A through the dedicated data channel according to the playback instruction, and terminal A plays the received playback file.
  • terminal B does not respond within a certain period of time, that is, the supplementary service application entity 2 determines that terminal B's response times out, and triggers the forwarding service of the answer, which needs to be forwarded to terminal C. Therefore, supplementary service application entity 2 sends forwarding service information as supplementary service information to supplementary service application entity 1 through HTTP URI, and supplementary service application entity 1 sends the received forwarding service information as supplementary service information through a dedicated data channel
  • terminal A processes the received forwarding service information, such as displaying that the current call is forwarded from terminal B to terminal C, stopping playing the playback file of terminal B, etc.
  • I/S-CSCF2 also initiates a call request to I/S-CSCF3 corresponding to terminal C.
  • the I/S-CSCF 3 reports the call event to the supplementary service application entity 3 through the call base entity 3 .
  • Supplementary service application entity 3 sends the playback file of terminal C to supplementary service application entity 1 through HTTP URI, and supplementary service application entity 1 sends the playback file as supplementary service information to the terminal through the dedicated data channel created by media base entity 1 A, Terminal A plays the audio file. And the call is passed to terminal C, and terminal C answers, so that terminal 1 and terminal C talk.
  • the dotted line in FIG. 10 is a dedicated data channel, which here only briefly indicates the two ends of the channel connection, without introducing the SBC/P-CSCF1.
  • the solid line in FIG. 10 represents the call path, and the dotted line represents the communication channel established through the control interface.
  • terminal B when terminal A calls terminal B, and the call is forwarded to terminal C due to the timeout of terminal B's response, terminal B has a playback file, that is, a color ring tone.
  • terminal A calls terminal B
  • terminal A plays terminal B's CRBT, but after terminal B does not answer the call and is forwarded to terminal C, terminal B will stop playing CRBT to terminal A, but at this time the supplementary service application entity 1 of terminal A does not know that the CRBT of terminal B has stopped, resulting in the call It needs to be forwarded to terminal C.
  • terminal C does not have the CRBT service, terminal A will be silent for a period of time. Therefore, after the call is forwarded to terminal C, the supplementary service application entity 2 of terminal B can notify the supplementary service application entity 1 of terminal A that the color ring tone has been stopped. Entity 1 can play a ringback tone to terminal A.
  • the present application provides a structure in which the call path and the supplementary service information transmission path are separated, so that the interaction of the supplementary service information does not depend on the call path; the supplementary service information is passed through
  • the dedicated data channel is used as media data transmission without signaling transmission, reducing the requirements for intermediate network elements; supplementary service information can be transmitted to the calling and called terminals at any stage during the call process, which solves the current problem of needing to expand SIP to achieve
  • the transmission of supplementary service information is limited by the defect of the call path transmitted by SIP signaling; on the AS to which the user belongs, through an open interface, it provides nested control of supplementary services for other ASs; and realizes supplementary services for terminals
  • the information is interacted with the terminal by the AS to which the user belongs through a dedicated data channel.
  • the embodiment of this application also provides a supplementary service application entity, as shown in Figure 11, including:
  • the receiving module 1101 is configured to receive the call event of the calling terminal reported by the call base entity.
  • the instruction issuing module 1102 is configured to issue a control instruction to the calling base entity based on the call event, and instruct the media base entity to establish a first dedicated data channel with the calling terminal and a communication with the supplementary service application entity through the calling base entity. Second dedicated data channel.
  • the transmission module 1103 is configured to send and receive supplementary service information of the calling terminal through the first dedicated data channel and the second dedicated data channel.
  • the embodiment of the present application also provides a media base entity, as shown in Figure 12, including:
  • the channel establishment module 1201 is configured to establish a first dedicated data channel with the calling terminal and a second dedicated data channel with the supplementary service application entity after receiving the channel establishment instruction sent by the calling base entity.
  • the transmission module 1202 is configured to send the supplementary service information to the calling terminal through the first dedicated data channel when the supplementary service information sent by the supplementary service application entity is received through the second dedicated data channel; When the channel receives the supplementary service information sent by the calling terminal, it sends the supplementary service information to the supplementary service application entity through the second dedicated data channel.
  • the embodiment of the present application also provides a call base entity, as shown in FIG. 13 , including:
  • the reporting module 1301 is configured to report a call event to the supplementary service application entity to which the calling terminal belongs after receiving a call request from the calling terminal.
  • the instructing module 1302 is configured to instruct the media base entity to establish a first dedicated data channel with the calling terminal and a second dedicated data channel with the supplementary service application entity according to the received control instruction from the supplementary service application entity.
  • the first dedicated data channel and the second dedicated data channel are used to transmit the supplementary service information of the calling terminal between the supplementary service application entity and the calling terminal.
  • the embodiment of the present application also provides a calling terminal, as shown in FIG. 14 , including:
  • the establishment module 1401 is configured to establish a first dedicated data channel with the media base entity after the call is initiated.
  • the transmission module 1402 is configured to send and receive supplementary service information of the calling terminal through the first dedicated data channel and the second dedicated data channel between the media base entity and the supplementary service application entity to which the calling terminal belongs.
  • the above-mentioned supplementary service application entity embodiment, media base entity embodiment, calling base entity embodiment and calling terminal embodiment are respectively device embodiments corresponding to the method embodiments, and the above device embodiments can be implemented with the method Examples are implemented in conjunction with each other.
  • the relevant technical details mentioned in the method embodiments are still valid in the above device embodiments, and will not be repeated here in order to reduce repetition.
  • the relevant technical details mentioned in the above device embodiments may also be applied in the method embodiments.
  • modules involved in the above-mentioned device embodiments are logical modules.
  • a logical unit can be a physical unit, or a part of a physical unit, or multiple Composition of physical units.
  • the above-mentioned device embodiments did not introduce units that are not closely related to solving the technical problems raised by the present application, but this does not mean that there are no other units in the above-mentioned device embodiments .
  • the embodiment of the present application also provides an electronic device, as shown in FIG. 15 , including: at least one processor 1501; and a memory 1502 communicatively connected to the at least one processor 1501; Instructions executed by at least one processor 1501. The instructions are executed by at least one processor 1501, so that at least one processor 1501 can execute the supplementary service realization method described in any one of the foregoing method embodiments.
  • the memory 1502 and the processor 1501 are connected by a bus, and the bus may include any number of interconnected buses and bridges, and the bus connects one or more processors 1501 and various circuits of the memory 1502 together.
  • the bus may also connect together various other circuits such as peripherals, voltage regulators, and power management circuits, all of which are well known in the art and therefore will not be further described herein.
  • the bus interface provides an interface between the bus and the transceivers.
  • a transceiver may be a single element or multiple elements, such as multiple receivers and transmitters, providing means for communicating with various other devices over a transmission medium.
  • the data processed by the processor 1501 is transmitted on the wireless medium through the antenna, and further, the antenna also receives the data and transmits the data to the processor 1501 .
  • the processor 1501 is responsible for managing the bus and general processing, and can also provide various functions, including timing, peripheral interface, voltage regulation, power management and other control functions. And the memory 1502 may be used to store data used by the processor 1501 when performing operations.
  • Another aspect of the embodiment of the present application provides a computer-readable storage medium storing a computer program.
  • the computer program is executed by the processor, the supplementary service implementation method described in any of the above method embodiments is implemented.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), magnetic disk or optical disk and other media that can store program codes.

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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

Les modes de réalisation de la présente demande se rapportent au domaine technique des communications. Sont divulgués un procédé de mise en œuvre de service supplémentaire, et une entité, un terminal, un dispositif électronique et un support d'enregistrement. Le procédé de mise en œuvre de service supplémentaire est appliqué à une entité d'application de service supplémentaire. Le procédé comprend : la réception d'un événement d'appel d'un terminal appelant, lequel événement est rapporté par une entité de base d'appel; l'émission d'une instruction de commande à l'entité de base d'appel sur la base de l'événement d'appel, et la commande, au moyen de l'entité de base d'appel, donnée à une entité de base multimédia, d'établir un premier canal de données dédié entre l'entité de base multimédia et le terminal appelant et un second canal de données dédié entre l'entité de base multimédia et l'entité d'application de service supplémentaire; et la réception et la transmission d'informations de service supplémentaires du terminal appelant au moyen du premier canal de données dédié et du second canal de données dédié.
PCT/CN2022/134439 2022-01-10 2022-11-25 Procédé de mise en œuvre de service supplémentaire, et entité, terminal, dispositif électronique et support d'enregistrement WO2023130854A1 (fr)

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