CN-121985355-A - Terminal mutual access realization method, network equipment and terminal

CN121985355ACN 121985355 ACN121985355 ACN 121985355ACN-121985355-A

Abstract

The application provides a terminal mutual access implementation method, network side equipment and a terminal. The method comprises the steps that a first network function obtains identification information of a second network function under the condition that a first terminal meets a first condition, the second network function is a session control and/or management function selected when the first terminal establishes a service transmission channel corresponding to a first mutual access group, interaction of mutual access route information of at least part of terminals in the first mutual access group with the second network function is carried out according to the identification information of the second network function, and first information is sent to a first application platform, wherein the first information comprises the mutual access route information of at least part of terminals in the first mutual access group.

Inventors

FENG ZHENG
QIU WEI
SONG XUGUANG
ZHAI MENGDI
SUN XUN
JIN HAIWEI
LU YOUWEI

Assignees

中国移动通信集团设计院有限公司
中国移动通信集团有限公司

Dates

Publication Date: 20260505
Application Date: 20251231

Claims (20)

1. A method for implementing terminal mutual access, which is applied to a first network function, the method comprising: Acquiring identification information of a second network function under the condition that a first terminal meets a first condition, wherein the first condition comprises opening terminal interview service authority and/or setting terminal interview group information corresponding to a first interview group, and the second network function is a session control and/or management function selected when the first terminal establishes a service transmission channel corresponding to the first interview group; according to the identification information of the second network function, interaction with the second network function is performed on the mutual access route information of at least part of terminals in the first mutual access group; And sending first information to a first application platform, wherein the first information comprises the mutual access route information of at least part of terminals in the first mutual access group.
2. The method of claim 1, wherein the mutual access routing information for the terminals in the first mutual access group comprises at least one of: identification information of the first mutual access group; Identification information of terminals in the first mutual access group; the service transmission channel of the first mutual access group belongs to and/or corresponds to a data network identifier; the terminal in the first mutual access group establishes the identification information of the session control and/or management function selected when corresponding to the service transmission channel of the first mutual access group; the terminal in the first mutual access group establishes the identification information of the user plane function selected when corresponding to the service transmission channel of the first mutual access group; The terminal in the first mutual access group establishes a session control and/or management function and/or user plane function selected when corresponding to the service transmission channel of the first mutual access group to allocate an IP address for the terminal; And the user plane function selected when the terminal in the first mutual access group establishes a service transmission channel corresponding to the first mutual access group distributes terminal mutual access user plane tunnel information corresponding to the first mutual access group for the terminal.
3. The method of claim 1, wherein prior to the obtaining the identification information of the second network function, the method further comprises: responding to a first request sent by a first service system, opening terminal mutual access service authority for the first terminal and/or configuring terminal mutual access group information corresponding to a first mutual access group; And/or the number of the groups of groups, And acquiring second information, wherein the second information is sent after a fourth network function acquires terminal mutual access service authority for the first terminal and/or terminal mutual access group information corresponding to a first mutual access group is configured, the fourth network function comprises a network function for storing user subscription data, and the second information comprises terminal mutual access service opening information and/or terminal mutual access group information of the first terminal.
4. A method according to claim 3, characterized in that the method further comprises: After terminal interviewing service authority is opened for the first terminal and/or terminal interviewing group information corresponding to a first interviewing group is configured, and/or third information is locally generated after the second information is received, wherein the third information comprises communication basic information required by terminal interviewing in the first interviewing group; Updating the third information stored in the first network function in case the third information changes; Wherein the third information includes at least one of: Identification information of terminals in the first mutual access group; identification information of the first mutual access group; the service transmission channel of the first mutual access group belongs to and/or corresponds to a data network identifier; the terminal in the first mutual access group establishes the identification information of the session control and/or management function selected when corresponding to the service transmission channel of the first mutual access group; the terminal in the first mutual access group establishes the identification information of the user plane function selected when corresponding to the service transmission channel of the first mutual access group; The terminals in the first mutual access group establish the IP address allocated when the service transmission channel corresponding to the first mutual access group; Terminals within the first mutual access group establish a traffic transmission channel corresponding to the first mutual access group, and terminal mutual access user plane tunnel information corresponding to the first mutual access group is allocated.
5. The method according to claim 1, wherein the obtaining the identification information of the second network function comprises: and acquiring the identification information of the second network function from a seventh network function, wherein the seventh network function can provide the identification information of the second network function.
6. The method according to claim 1, wherein the interaction of the second network function with the mutual access routing information of at least part of the terminals in the first mutual access group according to the identification information of the second network function comprises at least one of: Sending a third request to the second network function according to the identification information of the second network function, and receiving fourth information sent by the second network function, wherein the third request is used for acquiring the fourth information, and the fourth information comprises the mutual access route information of the first terminal corresponding to the first mutual access group or the mutual access route information of the first mutual access group of all terminals accessing the second network function in the first mutual access group; receiving a fourth request sent by the second network function and sending fifth information to the second network function, wherein the fourth request is used for obtaining the fifth information, and the fifth information comprises at least one of the mutual access route information of terminals in the first mutual access group, which are accessed to other session control and/or management functions when a service transmission channel of the first mutual access group is established, and the mutual access route information of all terminals in the first mutual access group, which correspond to the first mutual access group; Receiving a fifth request sent by the third network function or the third network function through the second network function, and sending sixth information to the third network function or the third network function through the second network function, wherein the fifth request is used for obtaining the sixth information, and the sixth information comprises mutual access routing information of a specified terminal in the first mutual access group, which corresponds to the first mutual access group.
7. A method for implementing terminal mutual access, which is characterized by being applied to a second network function, the method comprising: Receiving a third request from a first network function and sending fourth information to the first network function, wherein the third request is used for acquiring the fourth information, and the fourth information comprises the mutual access route information of a first terminal corresponding to a first mutual access group or the mutual access route information of all terminals in the first mutual access group, which access the second network function, corresponding to the first mutual access group; And/or the number of the groups of groups, The method comprises the steps of sending a fourth request to a first network function and receiving fifth information sent by the first network function, wherein the fourth request is used for obtaining the fifth information, and the fifth information comprises at least one of mutual access route information of terminals in a first mutual access group, mutual access route information of all terminals in the first mutual access group corresponding to the first mutual access group and mutual access route information of a designated terminal in the first mutual access group, and mutual access route information of the first mutual access group, wherein the terminal is accessed to other session control and/or management functions when a service transmission channel of the first mutual access group is established; Wherein the second network function is a session control and/or management function selected when the first terminal establishes a traffic transfer channel corresponding to the first inter-access group.
8. The method of claim 7, further comprising at least one of: updating fifteenth information stored locally according to the fifth information, wherein the fifteenth information comprises mutual access route information of at least part of terminals in the first mutual access group; And transmitting seventh information to a third network function, wherein the third network function is a user plane function selected when the first terminal establishes a service transmission channel corresponding to the first mutual access group, and the seventh information comprises mutual access route information of at least part of terminals in the first mutual access group.
9. A method for implementing terminal mutual access, which is characterized by being applied to a third network function, the method comprising: A fifth request is sent to a first network function or to the first network function through a second network function, and sixth information sent by the first network function or the first network function through the second network function is received, so that a mutual access service between terminals in a first mutual access group is realized; And/or the number of the groups of groups, Receiving seventh information sent by the second network function to realize a mutual access service between terminals in a first mutual access group to which the first terminal belongs; The third network function is a user plane function selected when the first terminal establishes a service transmission channel corresponding to the first mutual access group, the second network function is a session control and/or management function selected when the first terminal establishes a service transmission channel corresponding to the first mutual access group, the fifth request is used for obtaining the sixth information, the sixth information comprises mutual access route information of a corresponding first mutual access group of terminals in the first mutual access group, and the seventh information comprises mutual access route information of at least part of terminals in the first mutual access group.
10. The terminal mutual access implementation method is characterized by being applied to a first application platform, and comprises the following steps: Receiving first information sent by a first network function, wherein the first information comprises mutual access route information of at least part of terminals in a first mutual access group; receiving a query request for querying eighth information from the first terminal; transmitting eighth information to the first terminal in response to the query request, wherein the eighth information is used for the first terminal to initiate a mutual access service for other terminals in a first mutual access group; The first terminal belongs to the first mutual access group, and the eighth information comprises at least one of group information of the first mutual access group, mutual access route information of terminals in the first mutual access group and on-line state information of the terminals in the first mutual access group.
11. The method of claim 10, wherein prior to said receiving the first information sent by the first network function, the method further comprises at least one of: responding to a ninth request sent by a first service system, opening terminal mutual access service authority for the first terminal and/or configuring terminal mutual access group information corresponding to a first mutual access group; Acquiring second information, wherein the second information is sent after a fourth network function or the first network function acquires terminal mutual access service authority for the first terminal and/or terminal mutual access group information corresponding to a first mutual access group is configured, the fourth network function comprises a network function for storing user subscription data, and the second information comprises terminal mutual access service opening information and/or terminal mutual access group information of the first terminal; and responding to a sixth request sent by the first terminal, and configuring and/or updating terminal mutual access group information of the first terminal.
12. The method according to claim 11, wherein after said configuring and/or updating the terminal mutual group information of the first terminal in response to the sixth request sent by the first terminal, the method further comprises: And authenticating the configured and/or updated terminal mutual access group information of the first terminal according to tenth information, wherein the tenth information comprises at least one item of terminal mutual access service opening information, pre-configured terminal mutual access group information and pre-configured related authority requirement information of the first terminal setting terminal mutual access group information aiming at the first terminal.
13. A method for implementing terminal mutual access, which is characterized by being applied to a fourth network function, the method comprising: Responding to a seventh request sent by a first service system, opening terminal mutual access service authority for the first terminal and/or configuring terminal mutual access group information corresponding to a first mutual access group; And sending second information to the first network function and/or the first application platform, wherein the second information comprises terminal mutual access service opening information and/or terminal mutual access group information of the first terminal.
14. The method for realizing terminal mutual access is characterized by being applied to a first terminal, and comprises the following steps: Sending a query request about eighth information to the first application platform; acquiring the eighth information returned by the first application platform; initiating a interview service for other terminals in the first interview group based on the eighth information; the first terminal belongs to the first mutual access group, and the eighth information comprises at least one of group information of the first mutual access group, mutual access route information in the first mutual access group and on-line state information of the terminal in the first mutual access group.
15. The method of claim 14, wherein sending a query request for eighth information to the first application platform comprises: And under the condition that a service transmission channel is established with the first application platform through a preset functional body, or under the condition that the service transmission channel is established with the first application platform through the preset functional body and registered to the first application platform, sending a query request about eighth information to the first application platform through the service transmission channel.
16. The method of claim 15, wherein prior to said sending a query request for eighth information to the first application platform via the traffic delivery channel, the method further comprises: sending a service request to the first application platform through the preset functional body so as to establish the service transmission channel with the first application platform; Or alternatively The method comprises the steps of receiving a first application platform, sending a service request to the first application platform through the preset functional body to establish a service transmission channel with the first application platform, sending a registration request to the first application platform through the service transmission channel to register to the first application platform, wherein the registration request carries twelfth information, and the twelfth information comprises at least one of the following items: Identification information of the first terminal; the service transmission channel corresponding to the session belongs to and/or corresponds to a data network identifier; The second network function and/or the third network function is/are allocated to the first terminal with an IP address, the second network function is a session control and/or management function selected when the first terminal establishes a service transmission channel corresponding to the first inter-access group, and the third network function is a user plane function selected when the first terminal establishes a service transmission channel corresponding to the first inter-access group.
17. A network side device comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the terminal interview implementing method according to any one of claims 1-13.
18. A terminal comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, performs the steps of the terminal interview implementing method according to any one of claims 14-16.
19. A non-transitory computer readable storage medium, characterized in that the readable storage medium stores thereon a program or instructions, which when executed by a processor, implement the steps of the terminal interview implementing method according to any one of claims 1-13, or implement the steps of the terminal interview implementing method according to any one of claims 14-16.
20. A computer program product, characterized in that it is stored in a storage medium, which is executed by at least one processor to implement the steps of the terminal interview implementing method according to any one of claims 1-13, or to implement the steps of the terminal interview implementing method according to any one of claims 14-16.

Description

Terminal mutual access realization method, network equipment and terminal Technical Field The present application relates to the field of communications technologies, and in particular, to a method for implementing terminal mutual access, a network side device, and a terminal. Background In the mobile communication network, the terminal mutual access refers to directly establishing a service transmission channel between two terminals accessing the mobile communication network, realizing service data interaction, and avoiding bypassing external routing equipment and/or servers through interfaces such as N6/SGi and the like. An existing terminal mutual access implementation mode is finished by depending on a network side. However, this approach has several problems. For example, in this manner, the user plane functions (User Plane Function, UPFs) accessed by the terminals need to configure information required for mutual access of the terminals, such as the generic routing encapsulation (Generic Routing Encapsulation, GRE) tunnel, between the UPFs having the disaster recovery relationship and between the UPFs needing interworking, and the configuration workload is huge. Meanwhile, the mode needs to definitely determine which UPF the terminal needing the mutual access accesses in advance, and data configuration is carried out in advance, dynamic UPF selection is not supported to complete the mutual access, flexibility of service development is poor, and in a scene that the terminal moves across UPF coverage, the mutual access service interruption possibly occurs, and the service application scene flexibility is poor. Therefore, it is desirable to propose a more advanced terminal interview implementation scheme to solve at least one of the above problems. Disclosure of Invention The application provides a terminal mutual access implementation method, network side equipment and a terminal, which are used for solving at least one problem of the existing terminal mutual access scheme which depends on network side implementation. In order to solve the technical problems, the application is realized as follows: In a first aspect, a method for implementing mutual access of terminals is provided, and the method is applied to a first network function, and includes: Acquiring identification information of a second network function under the condition that a first terminal meets a first condition, wherein the first condition comprises opening terminal interview service authority and/or setting terminal interview group information corresponding to a first interview group, and the second network function is a session control and/or management function selected when the first terminal establishes a service transmission channel corresponding to the first interview group; according to the identification information of the second network function, interaction with the second network function is performed on the mutual access route information of at least part of terminals in the first mutual access group; And sending first information to a first application platform, wherein the first information comprises the mutual access route information of at least part of terminals in the first mutual access group. In a second aspect, a method for implementing mutual access of terminals is provided, and the method is applied to a second network function, and includes: Receiving a third request from a first network function and sending fourth information to the first network function, wherein the third request is used for acquiring the fourth information, the fourth information comprises the mutual access route information of a first terminal corresponding to a first mutual access group or the mutual access route information of the first mutual access group corresponding to all terminals accessing the second network function in the first mutual access group, and/or, The method comprises the steps of sending a fourth request to a first network function and receiving fifth information sent by the first network function, wherein the fourth request is used for obtaining the fifth information, and the fifth information comprises at least one of mutual access route information of terminals in a first mutual access group, mutual access route information of all terminals in the first mutual access group corresponding to the first mutual access group and mutual access route information of a designated terminal in the first mutual access group, and mutual access route information of the first mutual access group, wherein the terminal is accessed to other session control and/or management functions when a service transmission channel of the first mutual access group is established; Wherein the second network function is a session control and/or management function selected when the first terminal establishes a traffic transfer channel corresponding to the first inter-access group. In a third aspect, a method for implementing mutual access of termina