Fusion docking method, device, electronic device and storage medium

By supporting both N7 and Gx interfaces in SMF/PGW-C/GGSN-C and using terminal identification codes to select interfaces, the problem of large-scale equipment transformation in existing technologies is solved, and efficient and low-cost deployment of the 4G/5G converged core network is achieved.

CN114390147BActive Publication Date: 2025-09-26CHINA MOBILE GROUP DESIGN INST +1
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Patent Information

Application Number
CN202011131826.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-10-21
Publication Date
2025-09-26
Estimated Expiration
2040-10-21

AI Technical Summary

Technical Problem

Existing technologies require large-scale modification or replacement of existing network equipment when implementing a 4G/5G converged core network. This results in a large amount of work, a long cycle, and wasted investment. Furthermore, there is uncertainty in PCC policy control for 2G/3G users.

Method used

By supporting both N7 and Gx interfaces in SMF/PGW-C/GGSN-C, and combining preset terminal identification codes with corresponding tables, the appropriate interface can be selected for user policy control and billing PCC converged network access, avoiding the need to modify existing equipment.

Benefits of technology

It achieves normal policy control for all types of users, reduces equipment investment costs, shortens project implementation cycles, and reduces business interruptions and user perception impacts.

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Abstract

An embodiment of the present invention provides a fusion docking method, apparatus, electronic device, and storage medium. The method includes: obtaining an access request initiated by a mobile terminal; obtaining a preset terminal identification code based on the access request; and selecting a corresponding interface to integrate mobile terminal access policy control with the billing PCC network based on the correspondence between the preset terminal identification code and a preset correspondence table set. The embodiment of the present invention integrates the SMF / PGW‑C / GGSN‑C to simultaneously support processing of both the N7 interface and the Gx interface. The integrated SMF / PGW‑C / GGSN‑C interfaces with the PCF / PCRF via the N7 interface through NRF service discovery, and interfaces with the PCRF via the Gx interface through DRA, thereby achieving normal policy control for various types of users without the need to modify existing network equipment, thereby reducing equipment investment costs and shortening the project implementation period.
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Description

Technical Field

[0001] The present invention relates to the field of mobile communication technology, and in particular to a fusion docking method, device, electronic device and storage medium. Background Art

[0002] In the 5G core network, SMF (Session Management Function) is the control plane network element responsible for the session management function in the 5G SA (Stand Alone) network. In the 5G SA PCC (Policy Control and Charging) system, SMF is connected to PCF (Policy and Charging Enforcement Function) through the N7 interface; in the 4G PCC system, PGW-C (Packet Data Network Gateway-Control) also serves as PCEF (Policy and Charging Enforcement Function) and is connected to PCRF (Policy and Charging Rules Function) through the Gx interface; in the 2G / 3G PCC system, GGSN-C (Gateway GPRS Support Node-Control) also serves as PCEF and is connected to PCRF through the Gx interface. The N7 interface is a service-oriented interface based on the HTTP protocol; the Gx interface is a Diameter-based interface, communicated through the Diameter signaling network. In the 4G / 5G SA converged core network, the SMF / PGW-C is integrated to handle services for 5G SA users residing on both the 5G and 4G networks, and for 4G users residing on the 4G network. In the 2G / 3G / 4G / 5G SA converged core network, the SMF / PGW-C / GGSN-C is integrated to handle services for 5G SA users residing on both the 5G and 4G networks, and for 2G / 3G / 4G users residing on the 2G / 3G / 4G networks.

[0003] The current 3GPP international standard only considers scenarios where a converged SMF / PGW-C handles 5G SA users residing on both 5G and 4G networks. The SMF / PGW-C connects to the PCF via the N7 interface, and the PCF manages 5G SA users residing on both 5G and 4G networks, as well as PCC management and control on 2G / 3G networks. The SMF / PGW-C also manages 4G users residing on 4G networks, while the SMF / PGW-C / GGSN-C manages 2G / 3G / 4G users residing on 2G / 3G / 4G networks. Furthermore, while the PCC policy for 4G and 2G / 3G users remains the responsibility of the 2G / 3G / 4G PCRF, the SMF / PGW-C, SMF / PGW-C, and GGSN-C still need to connect to the PCRF via the Gx interface. However, this aspect is not specified in the 3GPP international standard. That is, SMF / PGW-C and SMF / PGW-C / GGSN-C only have N7 interfaces and do not support Gx interfaces, such as Figure 1 shown.

[0004] For existing networks where the PCC policies for 4G and 2G / 3G users are still managed by the 2G / 3G / 4G PCRF, there are two solutions:

[0005] Solution 1: Transform the existing 2G / 3G / 4G PCRF into a 2G / 3G / 4G / 5G SA PCF / PCRF, and connect them to the SMF / PGW-C and SMF / PGW-C / GGSN-C through the N7 interface. The corresponding drawbacks are: the existing 2G / 3G / 4G PCRF is a PNF (Phsical Network Function) device; the 2G / 3G / 4G / 5G SA PCF / PCRF is a VNF (Virtual Network Function) device. All 2G / 3G / 4G PCRFs in the existing network need to be replaced with 2G / 3G / 4G / 5G SA PCF / PCRFs. This involves a large workload, a long cycle, high difficulty and risk, and results in a waste of existing 2G / 3G / 4G investment.

[0006] Solution 2: SMF / PGW-C and SMF / PGW-C / GGSN-C have both Gx and N7 interfaces, and use signaling during the PDU session / bearer / PDP context establishment phase and user subscription information to determine whether to transmit PCC messages through the N7 or Gx interface. The corresponding drawbacks are: (1) The Gx interface must be organized through the Diameter Direct Relay (DRA) signaling network; (2) When 5GSA users reside in the 2G / 3G network, PCC messages may be transmitted through the Gx interface, making the impact on PCC services difficult to assess. Summary of the Invention

[0007] The embodiments of the present invention provide a converged interconnection method, apparatus, electronic device, and storage medium to address the defect in the prior art that a large amount of modification of the existing network is required to implement a converged PCC strategy.

[0008] In a first aspect, an embodiment of the present invention provides a fusion docking method, comprising:

[0009] Obtaining an access request initiated by a mobile terminal;

[0010] Acquire a preset terminal identification code based on the access request;

[0011] According to the correspondence between the preset terminal identification code and the preset correspondence table set, a corresponding interface is selected to connect the mobile terminal to the policy control and charging PCC fusion network.

[0012] Furthermore, selecting a corresponding interface to integrate the mobile terminal access policy control and charging PCC network according to the correspondence between the preset terminal identification code and the preset correspondence table set specifically includes:

[0013] If it is determined that the number segment of the preset terminal identification code corresponds to the first interface corresponding to the first preset corresponding table in the preset corresponding table set, the mobile terminal is enabled to access through the first interface.

[0014] Furthermore, the selecting a corresponding interface to access the mobile terminal into the policy control and charging PCC converged network based on the correspondence between the preset terminal identification code and the preset correspondence table set also includes:

[0015] If it is determined that there is no corresponding relationship between the segment of the preset terminal identification code and the first interface corresponding to the first preset correspondence table in the preset correspondence table set, the mobile terminal is enabled to access through the second interface corresponding to the first preset correspondence table.

[0016] Furthermore, the selecting a corresponding interface to access the mobile terminal into the policy control and charging PCC converged network based on the correspondence between the preset terminal identification code and the preset correspondence table set also includes:

[0017] If it is determined that the number segment of the preset terminal identification code corresponds to the first interface corresponding to the second preset corresponding table in the preset corresponding table set, the mobile terminal is enabled to access through the first interface.

[0018] Furthermore, the selecting a corresponding interface to access the mobile terminal into the policy control and charging PCC converged network based on the correspondence between the preset terminal identification code and the preset correspondence table set also includes:

[0019] If it is determined that the number segment of the preset terminal identification code corresponds to the second interface corresponding to the second preset corresponding table in the preset corresponding table set, the mobile terminal is enabled to access through the second interface.

[0020] Furthermore, the selecting a corresponding interface to access the mobile terminal into the policy control and charging PCC converged network based on the correspondence between the preset terminal identification code and the preset correspondence table set also includes:

[0021] If it is determined that there is no correspondence between the segment of the preset terminal identification code and the first interface and the second interface corresponding to the second preset correspondence table in the preset correspondence table set, the mobile terminal is enabled to access through the second interface.

[0022] Furthermore, the first interface includes a Gx interface, and the second interface includes an N7 interface.

[0023] In a second aspect, an embodiment of the present invention further provides a fusion docking device, comprising:

[0024] A first acquisition module, configured to acquire an access request initiated by a mobile terminal;

[0025] A second acquisition module, configured to acquire a preset terminal identification code based on the access request;

[0026] The selection module is configured to select a corresponding interface to connect the mobile terminal to a policy control and charging PCC converged network according to a correspondence between the preset terminal identification code and a preset correspondence table set.

[0027] In a third aspect, an embodiment of the present invention further provides an electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the program, the steps of any of the above-described fusion docking methods are implemented.

[0028] In a fourth aspect, an embodiment of the present invention further provides a non-transitory computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the steps of any of the above-described fusion docking methods.

[0029] The fusion docking method, device, electronic device and storage medium provided in the embodiments of the present invention have the ability to support processing N7 interface and Gx interface at the same time by integrating SMF / PGW-C / GGSN-C. The fusion SMF / PGW-C / GGSN-C is connected to PCF / PCRF through NRF service discovery through N7 interface, and is connected to PCRF through Gx interface through DRA, thereby realizing normal policy control of various users without the need to modify the existing network equipment, which not only reduces the equipment investment cost but also shortens the project implementation period. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0031] Figure 1 This is the architecture diagram of the converged core network solution provided by existing technologies;

[0032] Figure 2 This is a flow chart of a fusion docking method provided by an embodiment of the present invention;

[0033] Figure 3 This is a flow chart of the converged docking service provided by an embodiment of the present invention;

[0034] Figure 4 This is a diagram of the architecture of the converged core network solution provided by an embodiment of the present invention;

[0035] Figure 5 This is a schematic structural diagram of a fusion docking device provided by an embodiment of the present invention;

[0036] Figure 6 It is a structural diagram of an electronic device provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0037] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0038] In response to the shortcomings of the existing technology, the embodiments of the present invention propose a new integrated docking method for the mobile core network, which has the ability to support and process service-oriented N7 interfaces and Gx interfaces while integrating SMF / PGW-C / GGSN-C, and sets a strategy for selecting N7 interfaces and Gx interfaces based on the user's identification code.

[0039] Figure 2 This is a flow chart of a fusion docking method provided by an embodiment of the present invention. Figure 2 As shown, including:

[0040] 101, obtaining an access request initiated by a mobile terminal;

[0041] Get the APN (Access Point Name, APN) or DNN (Data Network Name, DNN) of the mobile terminal UE, and select it to the fusion SMF / PGW-C / GGSN-C, such as Figure 3 shown.

[0042] 102. Acquire a preset terminal identification code based on the access request;

[0043] After the UE accesses, the SMF / PGW-C / GGSN-C further obtains the MSISDN (MobileSubscriber International ISDN / PSTN number) segment information or IMSI (International MobileSubscriber Identification Number) segment configured on the UE; here, it is obtained through the Nsmf_PDUSession_CreateSMContext Request command in the 5G SA network, through the Create Session Request command in the 4G network, and through the Create PDP Context Request command in the 2 / 3G network;

[0044] It is understandable that the MSISDN number or the IMSI number is an identification number that can uniquely distinguish a mobile terminal.

[0045] 103. According to the correspondence between the preset terminal identification code and the preset correspondence table set, a corresponding interface is selected to connect the mobile terminal to the policy control and charging PCC converged network.

[0046] Specifically, a correspondence table between MSISDN and / or IMSI and PCC interface is configured. The correspondence table is not limited to only one correspondence. The correspondence between MSISDN and / or IMSI and PCC interface is determined, and interface selection is performed so that the UE can access the policy control and billing PCC converged network.

[0047] The solution of the embodiment of the present invention mainly involves the integration of SMF / PGW-C / GGSN-C, PCF / PCRF, PCRF, and signaling network equipment DRA (Diameter Routing Agent, routing agent node) and NRF (Network Repository Function, network repository function). The overall architecture diagram is as follows Figure 4 shown.

[0048] The integrated SMF / PGW-C / GGSN-C has the ability to support processing N7 interfaces and Gx interfaces at the same time. The integrated SMF / PGW-C / GGSN-C connects to PCF / PCRF through the N7 interface through NRF service discovery, and connects to PCRF through the Gx interface through DRA, thereby realizing normal policy control for various users.

[0049] The embodiment of the present invention integrates SMF / PGW-C / GGSN-C to simultaneously support the processing of multiple interfaces. The integrated SMF / PGW-C / GGSN-C is connected to PCF / PCRF through the N7 interface via NRF service discovery, and is connected to PCRF through the Gx interface via DRA, thereby realizing normal policy control of various users without the need to modify existing network equipment, thereby reducing equipment investment costs and shortening the project implementation period.

[0050] Based on the above embodiment, selecting a corresponding interface to integrate the mobile terminal access policy control and charging PCC network according to the correspondence between the preset terminal identification code and the preset correspondence table set specifically includes:

[0051] If it is determined that the number segment of the preset terminal identification code corresponds to the first interface corresponding to the first preset corresponding table in the preset corresponding table set, the mobile terminal is enabled to access through the first interface.

[0052] If it is determined that there is no corresponding relationship between the segment of the preset terminal identification code and the first interface corresponding to the first preset correspondence table in the preset correspondence table set, the mobile terminal is enabled to access through the second interface corresponding to the first preset correspondence table.

[0053] Specifically, the embodiment of the present invention adopts the first method to configure the MSISDN and / or IMSI and Gx interface correspondence table.

[0054] The SMF / PGW-C / GGSN-C performs a table query on the UE's MSISDN and / or IMSI. If there is a correspondence between the UE's MSISDN and the Gx interface, the Gx interface is selected. If there is no correspondence between the UE's MSISDN and the Gx interface, the N7 interface is selected by default, as shown in Table 1:

[0055] Table 1

[0056]

[0057] Based on the above embodiment, selecting a corresponding interface to access the mobile terminal to the policy control and charging PCC converged network based on the correspondence between the preset terminal identification code and the preset correspondence table set also includes:

[0058] If it is determined that the number segment of the preset terminal identification code corresponds to the first interface corresponding to the second preset corresponding table in the preset corresponding table set, the mobile terminal is enabled to access through the first interface.

[0059] If it is determined that the number segment of the preset terminal identification code corresponds to the second interface corresponding to the second preset corresponding table in the preset corresponding table set, the mobile terminal is enabled to access through the second interface.

[0060] If it is determined that there is no correspondence between the segment of the preset terminal identification code and the first interface and the second interface corresponding to the second preset correspondence table in the preset correspondence table set, the mobile terminal is enabled to access through the second interface.

[0061] Specifically, the embodiment of the present invention adopts the second method to configure the interface correspondence table between MSISDN and / or IMSI and Gx and N7.

[0062] The SMF / PGW-C / GGSN-C performs a table query on the UE's MSISDN and / or IMSI. If the UE's MSISDN corresponds to the Gx interface, the Gx interface is selected. If the UE's MSISDN corresponds to the N7 interface, the N7 interface is selected. If there is no corresponding relationship, the N7 interface is selected, as shown in Table 2:

[0063] Table 2

[0064]

[0065] By setting an interface correspondence list, the embodiment of the present invention does not require the modification or replacement of the existing PCRF, nor does it require the upgrading and modification of existing network-related equipment such as terminals and MMEs (Mobility Management Entities). It only requires the integration of SMF / PGW-C, SMF / PGW-C / GGSN-C with both N7 and Gx interfaces, and can determine whether to transmit PCC messages through the N7 interface or the Gx interface based on the user number. This can save the workload of PCRF relocation and cutover, while also reducing service interruptions and improving user perception.

[0066] The two configuration interface correspondence tables used in the above two embodiments can cover most of the converged core network scenarios of the existing network, effectively saving network construction investment costs and achieving smooth network evolution. The details are as follows:

[0067] First, it addresses the issue of being unable to perform normal policy control on some legacy users. After the session management network element integrates 2G / 3G / 4G / 5G functions, there are still scenarios where the traditional policy control network element has not been modified to support 5G functions (for example, the existing IoT private network PCRF, whose users are subscribed to 2G / 3G / 4G / NB and do not require upgrading to 5G without changing their numbers). If these legacy policy-controlled users are selected for the integrated SMF / PGW-C / GGSN-C network element, due to technical limitations, the integrated SMF / PGW-C / GGSN-C only supports the N7 interface, while the traditional policy control device only supports the Gx interface. As a result, normal policy control cannot be performed on legacy users in this scenario. The proposed integrated SMF / PGW-C / GGSN-C supporting the Gx interface can solve the above problem.

[0068] Second, new functions are supported only on the converged SMF / PGW-C / GGSN-C devices, eliminating the need to modify existing network equipment. Specifically, only the Gx interface is supported on the converged SMF / PGW-C / GGSN-C devices, and the MSISDN number segment information of existing users is configured. There is no need to upgrade or configure existing peripheral equipment such as the MME, DNS, PCRF, and DRA, thus avoiding any impact on the operational stability of the existing network and improving customer experience.

[0069] Third, since only new functional requirements are required for the integrated SMF / PGW-C / GGSN-C, the replacement and relocation of traditional policy control equipment can be avoided, reducing equipment investment costs and shortening the project implementation cycle.

[0070] The following describes a fusion docking device provided by an embodiment of the present invention. The fusion docking device described below and the fusion docking method described above can refer to each other.

[0071] Figure 5 is a structural diagram of a fusion docking device provided by an embodiment of the present invention, such as Figure 5 As shown, it includes: a first acquisition module 51, a second acquisition module 52 and a selection module 53; wherein:

[0072] The first acquisition module 51 is used to obtain an access request initiated by a mobile terminal; the second acquisition module 52 is used to obtain a preset terminal identification code based on the access request; the selection module 53 is used to select a corresponding interface based on the correspondence between the preset terminal identification code and the preset corresponding table set to integrate the mobile terminal access policy control and billing PCC network.

[0073] The embodiment of the present invention integrates SMF / PGW-C / GGSN-C to simultaneously support the processing of multiple interfaces. The integrated SMF / PGW-C / GGSN-C is connected to PCF / PCRF through the N7 interface via NRF service discovery, and is connected to PCRF through the Gx interface via DRA, thereby realizing normal policy control of various users without the need to modify existing network equipment, thereby reducing equipment investment costs and shortening the project implementation period.

[0074] Figure 6 An example of a physical structure diagram of an electronic device is shown below. Figure 6 As shown, the electronic device may include: a processor 610, a communication interface 620, a memory 630, and a communication bus 640, wherein the processor 610, the communication interface 620, and the memory 630 communicate with each other via the communication bus 640. The processor 610 may invoke logic instructions in the memory 630 to execute a converged docking method, which includes: obtaining an access request initiated by a mobile terminal; obtaining a preset terminal identification code based on the access request; and selecting a corresponding interface based on a correspondence between the preset terminal identification code and a preset correspondence table set to connect the mobile terminal to a converged network with policy control and billing PCC.

[0075] In addition, the logic instructions in the above-mentioned memory 630 can be implemented in the form of a software functional unit and can be stored in a computer-readable storage medium when sold or used as an independent product. Based on this understanding, the technical solution of the present invention, or the part that contributes to the prior art, or the part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes several instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present invention. The aforementioned storage medium includes: various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk.

[0076] On the other hand, an embodiment of the present invention also provides a computer program product, which includes a computer program stored on a non-transitory computer-readable storage medium, and the computer program includes program instructions. When the program instructions are executed by a computer, the computer can execute the fusion docking method provided by the above-mentioned method embodiments, the method including: obtaining an access request initiated by a mobile terminal; obtaining a preset terminal identification code based on the access request; and selecting a corresponding interface to integrate the mobile terminal access policy control and billing PCC network according to the correspondence between the preset terminal identification code and the preset correspondence table set.

[0077] On the other hand, an embodiment of the present invention also provides a non-transitory computer-readable storage medium having a computer program stored thereon. When the computer program is executed by a processor, it is implemented to execute the fusion docking method provided in the above embodiments, the method including: obtaining an access request initiated by a mobile terminal; obtaining a preset terminal identification code based on the access request; and selecting a corresponding interface to integrate the mobile terminal access policy control and billing PCC network according to the correspondence between the preset terminal identification code and the preset corresponding table set.

[0078] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, i.e., they may be located in one location or distributed across multiple network units. Some or all of the modules may be selected based on actual needs to achieve the objectives of the present embodiment. Persons of ordinary skill in the art will be able to understand and implement the present invention without inventive effort.

[0079] Through the description of the above embodiments, those skilled in the art can clearly understand that each embodiment can be implemented by means of software plus a necessary general hardware platform, or of course, by hardware. Based on this understanding, the essence of the above technical solution or the part that contributes to the existing technology can be embodied in the form of a software product. The computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, a magnetic disk, an optical disk, etc., and includes a number of instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the methods described in each embodiment or certain parts of the embodiments.

[0080] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A fusion docking method, characterized in that: include: Obtaining an access request initiated by a mobile terminal; Acquire a preset terminal identification code based on the access request; According to the correspondence between the preset terminal identification code and the preset correspondence table set, a corresponding interface is selected to connect the mobile terminal to the policy control and charging PCC converged network; The method further includes: selecting a corresponding interface to connect the mobile terminal to a policy control and charging PCC converged network based on the correspondence between the preset terminal identification code and the preset correspondence table set; If it is determined that there is no correspondence between the number segment of the preset terminal identification code and the first interface and the second interface corresponding to the second preset correspondence table in the preset correspondence table set, the mobile terminal is accessed through the second interface; the first interface includes the Gx interface, and the second interface includes the N7 interface.

2. The fusion docking method according to claim 1, characterized in that: The selecting, based on the correspondence between the preset terminal identification code and the preset correspondence table set, a corresponding interface to integrate the mobile terminal access policy control and charging PCC network specifically includes: If it is determined that the number segment of the preset terminal identification code corresponds to the first interface corresponding to the first preset corresponding table in the preset corresponding table set, the mobile terminal is enabled to access through the first interface.

3. The fusion docking method according to claim 1, characterized in that: The method further includes: selecting a corresponding interface to connect the mobile terminal to a policy control and charging PCC converged network based on the correspondence between the preset terminal identification code and the preset correspondence table set; If it is determined that there is no corresponding relationship between the segment of the preset terminal identification code and the first interface corresponding to the first preset correspondence table in the preset correspondence table set, the mobile terminal is enabled to access through the second interface corresponding to the first preset correspondence table.

4. The fusion docking method according to claim 1, characterized in that: The method further includes: selecting a corresponding interface to connect the mobile terminal to a policy control and charging PCC converged network based on the correspondence between the preset terminal identification code and the preset correspondence table set; If it is determined that the number segment of the preset terminal identification code corresponds to the first interface corresponding to the second preset corresponding table in the preset corresponding table set, the mobile terminal is enabled to access through the first interface.

5. The fusion docking method according to claim 1, characterized in that: The method further includes: selecting a corresponding interface to connect the mobile terminal to a policy control and charging PCC converged network based on the correspondence between the preset terminal identification code and the preset correspondence table set; If it is determined that the number segment of the preset terminal identification code corresponds to the second interface corresponding to the second preset corresponding table in the preset corresponding table set, the mobile terminal is enabled to access through the second interface.

6. A fusion docking device, characterized in that: include: A first acquisition module, configured to acquire an access request initiated by a mobile terminal; A second acquisition module, configured to acquire a preset terminal identification code based on the access request; A selection module is configured to select a corresponding interface to access the mobile terminal to a policy control and charging PCC converged network based on a correspondence between the preset terminal identification code and a preset correspondence table set; The selection module is also used to enable the mobile terminal to access through the second interface if it is determined that there is no correspondence between the number segment of the preset terminal identification code and the first interface and the second interface corresponding to the second preset correspondence table in the preset correspondence table set; the first interface includes the Gx interface, and the second interface includes the N7 interface.

7. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein: When the processor executes the program, the steps of the fusion docking method according to any one of claims 1 to 5 are implemented.

8. A non-transitory computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the fusion docking method according to any one of claims 1 to 5 are implemented.

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