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WO2024125269A1 - Procédé d'établissement de service vocal, dispositif de réseau et support de stockage - Google Patents

Procédé d'établissement de service vocal, dispositif de réseau et support de stockage Download PDF

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Publication number
WO2024125269A1
WO2024125269A1 PCT/CN2023/134085 CN2023134085W WO2024125269A1 WO 2024125269 A1 WO2024125269 A1 WO 2024125269A1 CN 2023134085 W CN2023134085 W CN 2023134085W WO 2024125269 A1 WO2024125269 A1 WO 2024125269A1
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WO
WIPO (PCT)
Prior art keywords
network element
network
information
voice service
elements
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Application number
PCT/CN2023/134085
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English (en)
Chinese (zh)
Inventor
王翠钟
张鲁遥
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ZTE Corp
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ZTE Corp
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Publication of WO2024125269A1 publication Critical patent/WO2024125269A1/fr
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • 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
    • H04L65/10—Architectures or entities
    • H04L65/1016—IP multimedia subsystem [IMS]
    • 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
    • H04L65/1073—Registration or de-registration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic

Definitions

  • the present application relates to the field of communication technology, and in particular to a method for establishing a voice service, a network device, and a storage medium.
  • NR New Radio
  • VoNR Voice over New Radio
  • the user terminal (User Equipment, UE) accesses the fifth generation mobile communication core network (5th Generation Core, 5GC)
  • the network function Network Function, NF
  • NF Network Function
  • the network function Network Function, NF
  • QoS Flow Quality of Service Flow
  • the main purpose of the embodiments of the present application is to provide a method for establishing a voice service, a network device and a storage medium, aiming to successfully establish a VoNR voice service that would otherwise fail to be established, thereby ensuring the reliability of the VoNR voice service and improving the user experience.
  • an embodiment of the present application provides a method for establishing a voice service, the method comprising: obtaining a first NF network element corresponding to the voice service, and detecting the state of the first NF network element; if it is detected that the state of the first NF network element is abnormal, obtaining network element information of the first NF network element, the network element information including network element group information; determining a second NF network element based on the network element group information, and establishing the voice service through the second NF network element.
  • an embodiment of the present application further provides a network device, the network device comprising a processor, a memory, a computer program stored in the memory and executable by the processor, and A data bus for realizing connection and communication between the processor and the memory, wherein when the computer program is executed by the processor, the steps of the method for establishing a voice service as described in any one of the items provided in the specification of this application are realized.
  • an embodiment of the present application further provides a storage medium for computer-readable storage, wherein the storage medium stores one or more programs, and the one or more programs can be executed by one or more processors to implement the steps of a method for establishing a voice service as described in any one of the items provided in the specification of the present application.
  • FIG1 is a flow chart of a method for establishing a voice service according to an embodiment of the present application
  • FIG2 is a diagram of an application scenario of NF network element registration provided by an embodiment of the present application.
  • FIG3 is an application scenario diagram of searching for corresponding NF network elements through network element group information provided by an embodiment of the present application
  • FIG4 is a schematic diagram of a process of UE accessing a 5GS (5G System) according to an embodiment of the present application;
  • FIG5 is a schematic diagram of a flow chart of VoNR interaction provided in an embodiment of the present application.
  • FIG6 is a schematic block diagram of the structure of a network device provided in an embodiment of the present application.
  • VoNR voice services rely on the IP Multimedia Subsystem (IMS) to manage the establishment, maintenance, and release of voice call connections, and the 5G system (5GS) carries voice services end-to-end.
  • IMS IP Multimedia Subsystem
  • 5GS 5G system
  • the VoNR solution requires the UE (User Equipment) to first connect to the 5GS and then register with the IMS through the 5GS.
  • the network function (NF) elements of voice services include: Access and Mobility Management Function (AMF) network element, Session Management Function (SMF) network element, Policy Control Function (PCF) network element and User Plane Function (UPF) network element.
  • AMF Access and Mobility Management Function
  • SMF Session Management Function
  • PCF Policy Control Function
  • UPF User Plane Function
  • the 5G Core 5G Core
  • QoS Flow voice-specific Quality of Service
  • the IMS notifies the PCF network element of the 5GC, and the PCF network element then notifies the SMF network element to create a new voice-specific QoS Flow.
  • the 5G core network Compared with the traditional core network, the 5G core network has the characteristics of large capacity and high integration, so it has high requirements for the reliability of related equipment.
  • each NF device will have related backup equipment, and each SMF network element has an independent IP address, which is the primary and backup relationship between each other.
  • these SMF network elements work normally, and one of the SMF network elements (such as SMF1 network element) provides services for the UE's access, and completes the UE's access to the 5GS by interacting with the PCF network element, UPF network element, etc.
  • the PCF network element After UE access is completed, if the SMF1 network element fails at some point in the future, if there is a VoNR voice service at this time, the PCF network element will still notify the SMF1 network element to create a new voice-dedicated QoS Flow because it is unaware of the SMF1 network element failure. At this time, the SMF1 network element cannot establish the voice service, resulting in the failure of the VoNR voice service, reducing the reliability of VoNR.
  • the embodiment of the present application provides a method for establishing a voice service, a network device and a storage medium.
  • the method can be applied to a network device, wherein the network device can be a server, a base station, etc., but is not limited thereto.
  • the corresponding standby NF network element can be accurately determined through the network element group information, so as to establish a VoNR voice service using the standby NF network element, thereby avoiding the failure to successfully establish the VoNR voice service when the main NF network element fails, ensuring the stability and reliability of the VoNR voice service, and improving the user experience.
  • Figure 1 is a flow chart of a method for establishing a voice service provided in an embodiment of the present application.
  • the method for establishing a voice service can thus avoid the failure to successfully establish the VoNR voice service when the main NF network element fails, ensure the stability and reliability of the VoNR voice service, and improve the user experience.
  • the method for establishing the voice service may include steps S101 to S103 .
  • the voice service can be a VoNR voice service.
  • the VoNR voice service relies on IMS to manage the establishment, maintenance and release of voice call connections, and the voice service is carried end-to-end by 5GS (5G System). Therefore, the VoNR voice service generally requires cooperation between multiple NF network elements, such as AMF network elements, SMF network elements, PCF network elements and UPF network elements.
  • the first NF network element can be one of multiple NF network elements such as AMF network elements, SMF network elements, PCF network elements and UPF network elements, such as SMF network elements.
  • the status of the first NF network element is used to indicate whether the first NF network element can communicate normally.
  • a target NF network element corresponding to a voice service is obtained, wherein the target NF network element includes a first NF network element; address information of the target NF network element is obtained; a communication state between the first NF network element and other NF network elements in the target NF network element is determined according to the address information; and a state of the first NF network element is determined according to the communication state.
  • the state of the first NF network element can be accurately determined by detecting the communication state between the target NF network element and the first NF network element.
  • the target NF network element is the NF network element required for the voice service, for example, the voice service requires the use of SMF network elements and PCF network elements, that is, SMF network elements and PCF network elements are the target NF network elements.
  • the address information is the IP address corresponding to each NF network element, and the communication status is used to reflect whether the first NF network element can communicate normally with the remaining NF network elements in the target NF network element.
  • the target NF network element includes an SMF network element, a PCF network element, and a UPF network element
  • the SMF network element is the first NF network element.
  • Obtain the IP addresses corresponding to all the above NF network elements determine the communication status between the SMF network element and the PCF network element according to the IP addresses of the SMF network element and the PCF network element, and then determine the communication status between the SMF network element and the UPF network element according to the IP addresses of the SMF network element and the UPF network element, and finally determine the status of the SMF network element through the communication status between the SMF network element and the PCF network element and the communication status between the SMF network element and the UPF network element.
  • the communication status between the SMF network element and the PCF network element and the communication status between the SMF network element and the UPF network element are both normal, then it can be determined that the status of the SMF network element is normal; if one of the communication status between the SMF network element and the PCF network element and the communication status between the SMF network element and the UPF network element is abnormal, then it can be determined that the status of the SMF network element is abnormal.
  • the first NF network element and the remaining NF network elements are linked by the address information to obtain the link connection status between the first NF network element and the remaining NF network elements; and the communication status between the first NF network element and the remaining NF network elements is determined according to the link connection status.
  • the communication status between the first NF network element and the remaining NF network elements can be accurately determined according to the link connection status.
  • the link connection status is used to feedback the communication link connection status between the two NF network elements, so that the communication status between the two NF network elements can be determined.
  • the target NF network element includes an SMF network element, a PCF network element, and a UPF network element
  • the SMF network element is the first NF network element.
  • the IP addresses corresponding to the SMF network element, the PCF network element, and the UPF network element a link is established between the SMF network element and the PCF network element, and a link is established between the SMF network element and the PCF network element, thereby obtaining the link connection status between the SMF network element and the PCF network element and the link connection status between the SMF network element and the UPF network element.
  • the link connection between the SMF network element and the PCF network element is in a successful link state, it can be determined that the communication status between the SMF network element and the PCF network element is normal; if the link connection between the SMF network element and the PCF network element is in a failed link state, it can be determined that the SMF network element and the PCF network element are in a normal state.
  • the communication status is abnormal.
  • the link connection between the SMF network element and the UPF network element is in a successful link establishment state, it can be determined that the communication status between the SMF network element and the UPF network element is normal; if the link connection between the SMF network element and the UPF network element is in a failed link establishment state, it can be determined that the communication status between the SMF network element and the UPF network element is abnormal.
  • the method before obtaining the first NF network element corresponding to the voice service, the method further includes: obtaining the network element configuration information of the first NF network element, and determining the type of the first NF network element according to the network element configuration information of the first NF network element; determining a plurality of preset NF network elements according to the type of the first NF network element, and generating the network element group information through the first NF network element and the plurality of preset NF network elements.
  • the network element group information corresponding to each NF network element can be determined first, so as to accurately determine the corresponding standby NF network element later.
  • the network element configuration information is the basic information of the NF network element, which may specifically include the NF type (NF Type), NF instance ID (NF instance ID), FQDN and IP address of NF (FQDN or IP address of NF), etc.
  • the type of the NF network element is used to determine whether the NF network element is an SMF network element, a PCF network element or a UPF network element, so as to facilitate the determination of the corresponding standby NF network element.
  • the preset NF network element is a standby NF network element of the same type as the first NF network element.
  • the network element group information is used to record the first NF network element and the standby NF network element of the same type.
  • the network element group information can be manually configured, or each NF network element can be generated according to a certain principle.
  • the value composition principle is similar to the NF instance ID.
  • the group IDs of their NF network elements are the same, and the NRF network element records and maintains these NF group IDs.
  • the type of the first NF network element can be determined as an SMF network element through the network element configuration information. If the first NF network element is an SMF1 network element, multiple preset NF network elements of the same type as the first NF network element can be determined according to the type of the first NF network element, such as SMF2 network elements, SMF3 network elements and SMF4 network elements, and the SMF1 network element, SMF2 network element, SMF3 network element and SMF4 network element can be recorded in the NRF network element, thereby generating corresponding network element group information.
  • each SMF network element carries the same NF group ID when registering with NRF, such as (smfGroupId: "7904b262-cA44-4650-8Ff01-109B"). If a NF network element does not have a standby NF network element when it is deployed, it does not need to carry nfGroupId when registering with the NRF network element.
  • NF network elements with different master-slave relationships carry different nfGroupIds when they are registered.
  • SMF5 network element and SMF6 network element have a master-slave relationship, but these two SMF network elements do not have a master-slave relationship with SMF1 network element, SMF2 network element, SMF3 network element and SMF4 network element.
  • the smfGroupId of SMF5 network element and SMF6 network element is the same (such as smfGroupId: "abc865jjl-wefwYCq4589vxs4jb"), which is different from the smfGroupId of SMF1 network element and other network elements.
  • the network element information may include network element configuration information and network element group information.
  • Configuration information is the basic information of NF network elements, which may specifically include NF type, NF instance ID, NF FQDN and IP address, etc.
  • the network element group information is used to record the first NF network element and the backup NF network element of the same type.
  • the network element group information can be manually configured, or each NF network element can be generated according to certain principles.
  • the value composition principle is similar to the NF instance ID. For NF network elements with a primary and backup relationship, the group IDs of their NF network elements are the same, and the NRF network element records and maintains these NF group IDs.
  • S103 Determine a second NF network element according to the network element group information, and establish the voice service through the second NF network element.
  • the second NF network element is a standby NF network element of the same type as the first NF network element. Specifically, when the state of the first NF network element is abnormal, the voice service can be established through the second NF network element.
  • the network element group corresponding to the first NF network element is determined according to the network element group information, and the network element group includes multiple preset NF network elements; and the second NF network element is determined from the multiple preset NF network elements.
  • the corresponding network element group and the second NF network element can be accurately determined, thereby avoiding the failure to successfully establish the VoNR voice service when the main NF network element fails, ensuring the stability and reliability of the VoNR voice service, and improving the user experience.
  • the network element group includes a plurality of preset NF network elements, and the preset NF network element is a standby network element corresponding to the first NF network element.
  • the network element group corresponding to the SMF1 network element is determined according to the network element group information corresponding to the SMF1 network element, and the network element group includes SMF2 network elements, SMF3 network elements and SMF4 network elements; the second NF network element is determined from the backup SMF network elements in the network element group.
  • the NRF network element can find the network element group corresponding to the SMF1 network element according to smfGroupId: "7904b262-cA44-4650-8Ff01-109B", and can obtain the network element information (such as IP address, etc.) of the backup SMF network elements (SMF2 network element, SMF3 network element and SMF4 network element) in the network element group, while the network element information of other NF network elements will not be found.
  • smfGroupId “7904b262-cA44-4650-8Ff01-109B”
  • the network element information of the plurality of preset NF network elements is obtained, and the state of each of the preset NF network elements is determined according to the network element information; if the state of the preset NF network element is normal, the preset NF network element is determined as the second NF network element.
  • the NF network element in the normal state can be screened out as the corresponding second NF network element, so that the second NF network element accurately establishes a voice service for the UE.
  • the IP addresses corresponding to the above-mentioned multiple preset NF network elements are obtained, and the communication status between each preset NF network element and the remaining NF network elements in the target NF network element is determined according to the corresponding IP address, so as to determine the status of each preset NF network element according to the communication status.
  • the preset NF network elements include SMF2 network elements and SMF3 network elements
  • the target NF network elements include SMF network elements, PCF network elements and UPF network elements.
  • Obtain the IP addresses corresponding to all the above NF network elements determine the communication status between the SMF2 network element and the PCF network element according to the IP addresses of the SMF2 network element and the PCF network element, then determine the communication status between the SMF2 network element and the UPF network element according to the IP addresses of the SMF2 network element and the UPF network element, and finally determine the status of the SMF2 network element through the communication status between the SMF2 network element and the PCF network element and the communication status between the SMF2 network element and the UPF network element.
  • the communication status between the SMF3 network element and the PCF network element is determined according to the IP addresses of the SMF3 network element and the PCF network element, and then the communication status between the SMF3 network element and the UPF network element is determined according to the IP addresses of the SMF3 network element and the UPF network element, and finally the status of the SMF3 network element is determined by the communication status between the SMF3 network element and the PCF network element and the communication status between the SMF3 network element and the UPF network element. If the status of the SMF2 network element is normal and the status of the SMF3 network element is abnormal, the SMF2 network element is determined as the second NF network element.
  • SMF2 network element and SMF3 network element are both normal, SMF2 network element or SMF3 network element can be selected as the second NF network element.
  • the network element information of the second NF network element is obtained, and the voice service is established according to the network element information of the second NF network element.
  • the network element information of the second NF network element may be obtained, such as the NF type, NF instance ID, NF FQDN and IP address, etc.
  • the network element information such as the IP address of the second NF network element, it is avoided that the VoNR voice service cannot be successfully established when the main NF network element fails, thereby ensuring the stability and reliability of the VoNR voice service and improving the user experience.
  • the method further includes: performing a deregistration process on the first NF network element in the network element group information to obtain the corrected network element group information.
  • the first NF network element in an abnormal state can be deregistered from the network element group information to avoid the subsequent establishment of the VoNR voice service using the first NF network element, thereby causing the VoNR voice service to fail to be established.
  • the first NF network element in the network element group information can be deregistered to obtain the corrected network element group information, thereby avoiding occupying more network resources and avoiding the subsequent establishment of VoNR voice services using the first NF network element, which would lead to the failure of establishing the VoNR voice service.
  • the embodiment of the present application provides a method for establishing a voice service, a network device, and a storage medium.
  • the embodiment of the present application obtains a first NF network element corresponding to the voice service and detects the state of the first NF network element; if the state of the first NF network element is detected to be abnormal, obtains the network element information of the first NF network element, and the network element information includes network element group information; determines a second NF network element according to the network element group information, and establishes the voice service through the second NF network element.
  • the corresponding backup NF network element can be accurately determined through the network element group information, so as to establish the VoNR voice service using the backup NF network element, avoiding the main NF network element from being out of order.
  • the VoNR voice service cannot be successfully established when a fault occurs, which ensures the stability and reliability of the VoNR voice service and improves the user experience.
  • the overall process of UE accessing 5GS is introduced, specifically including steps S201 to S208.
  • UE sends a NAS message PDU Session Establishment Request to the AMF network element.
  • the NAS message carries UE-related information.
  • the AMF network element selects a suitable SMF network element for the UE's current session access, and obtains information of the SMF network element (such as IP address).
  • the SMF obtained is SMF1;
  • the AMF network element requests the SMF1 network element to allocate session-related resources for the UE, and sends a Nsmf_PDUSession_CreateSMContext Request message to the SMF1 network element;
  • the SMF1 network element After receiving the request message from the AMF network element, the SMF1 network element interacts with the UDM network element to obtain the UE's contract information, and checks whether the UE is allowed to access this time according to the contract information;
  • the SMF1 network element sends a Nsmf_PDUSession_CreateSMContext Response message to the AMF network element.
  • the SMF1 network element continues to allocate session resources for the UE, and needs to obtain relevant policy information, so it needs to select a suitable PCF network element;
  • SMF1 network element sends Nsmf_PDUSession_CreateSMContext Request message to the selected PCF network element, requesting the PCF network element to send specific control policy information.
  • SMF1 network element also passes SMF group ID information (such as smfGroupId: "7904b262-cA44-4650-8Ff01-109B") to the PCF network element.
  • the PCF network element After receiving the request from the SMF1 network element, the PCF network element will additionally record the group ID information of the SMF network element.
  • the overall interaction process of VoNR is introduced, which specifically includes steps S301 to S310 .
  • S301 The UE completes access to 5GS and successfully registers to IMS, meeting the VoNR conditions.
  • the SMF1 network element provides services to the UE.
  • the SMF1 network element fails. Since the SMF2 network element, SMF3 network element, SMF4 network element and the SMF1 network element are mutually active and standby, they will take over the SMF1 network element and continue to work;
  • the IMS core network notifies the PCF network element and the AAR network element;
  • the PCF network element responds to AAA to the IMS core network.
  • PCF network element does not know that SMF1 network element has a fault, but still notifies SMF1 network element to create a new voice-only QoS Flow;
  • S307 Since it is a service-oriented interface, related messages are transmitted through http signaling, and the underlying protocol is TCP. Since the SMF1 network element is in disaster recovery, the TCP link establishment between the PCF network element and the SMF1 network element fails, causing the PCF network element to perceive the message sending failure.
  • the PCF network element senses that the SMF1 network element has NF group ID information, so it sends an Nnrf_NFDiscovery_Request message to the NRF network element to query the information of the SMF network element.
  • the PCF network element provides the network element group information of the SMF1 network element, that is, the NF group ID information (smfGroupId: "7904b262-cA44-4650-8Ff01-109B") and the IP information of the SMF1 network element to the NRF network element.
  • the NRF network element maintains the NF group ID information of the SMF1 network element, etc., so it selects another SMF information from the NF group ID corresponding to the SMF1 network element and returns it to the PCF network element, such as the SMF2 network element.
  • the NRF network element can remove the information of the SMF1 network element from the NF group ID information it maintains, so that the SMF network element will not be selected again in the future, until the SMF1 network element recovers from the fault and registers with the NRF network element again;
  • the PCF network element receives the query result returned by the NRF network element, obtains the network element information of the new SMF2 network element, and then sends a new voice-specific QoS Flow message to the SMF2 network element. Furthermore, after the PCF network element receives the successful response from the SMF2 network element, it can mark the SMF2 network element as the primary network element and delete the network element information of the SMF1 network element, and there is no need to query the NRF network element in the future;
  • FIG. 6 is a schematic block diagram of the structure of a network device provided in an embodiment of the present application.
  • the network device 400 may include a processor 401 and a memory 402, and the processor 401 and the memory 402 are connected via a bus 403, such as an I2C (Inter-integrated Circuit) bus.
  • a bus 403 such as an I2C (Inter-integrated Circuit) bus.
  • the processor 401 can be used to provide computing and control capabilities to support the operation of the entire terminal device.
  • the processor 401 can be a central processing unit (CPU), and the processor 401 can also be other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), field-programmable gate arrays (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, etc.
  • the general-purpose processor can be a microprocessor or the processor can also be any conventional processor, etc.
  • the memory 402 can be a Flash chip, a read-only memory (ROM) disk, an optical disk, a U disk or a mobile hard disk, etc.
  • ROM read-only memory
  • FIG. 6 is merely a block diagram of a partial structure related to the embodiment of the present application, and does not constitute a limitation on the terminal device to which the embodiment of the present application is applied.
  • the specific server may include more or fewer components than shown in the figure, or combine certain components, or have a different arrangement of components.
  • the processor 401 is used to run a computer program stored in the memory, and implement any one of the voice service establishment methods provided in the embodiments of the present application when executing the computer program.
  • the processor 401 is used to run a computer program stored in the memory, and The following steps are implemented when executing the computer program: obtaining a first NF network element corresponding to the voice service and detecting the state of the first NF network element; if it is detected that the state of the first NF network element is abnormal, obtaining network element information of the first NF network element, the network element information including network element group information; determining a second NF network element based on the network element group information, and establishing the voice service through the second NF network element.
  • the processor 401 when the processor 401 implements the determining of the second NF network element according to the network element group information, it is used to implement: determining the network element group corresponding to the first NF network element according to the network element group information, the network element group including multiple preset NF network elements; determining the second NF network element from the multiple preset NF network elements.
  • the processor 401 when the processor 401 implements the determining of the second NF network element from the multiple preset NF network elements, it is used to implement: obtaining network element information of the multiple preset NF network elements, and determining the status of each of the preset NF network elements according to the network element information; if the status of the preset NF network element is a normal state, determining the preset NF network element as the second NF network element.
  • the processor 401 when the processor 401 implements the acquisition of the first NF network element corresponding to the voice service, it is used to implement: acquiring the target NF network element corresponding to the voice service, and the target NF network element includes the first NF network element; when the processor 401 implements the detection of the state of the first NF network element, it is used to implement: acquiring the address information of the target NF network element; determining the communication state between the first NF network element and the remaining NF network elements in the target NF network element according to the address information; and determining the state of the first NF network element according to the communication state.
  • the processor 401 when the processor 401 implements the determination of the communication status between the first NF network element and the remaining NF network elements in the target NF network element according to the address information, it is used to implement: through the address information, link establishment processing is performed on the first NF network element and the remaining NF network elements to obtain the link connection status between the first NF network element and the remaining NF network elements; and the communication status between the first NF network element and the remaining NF network elements is determined according to the link connection status.
  • the processor 401 when the processor 401 implements the determination of the second NF network element according to the network element group information and establishes the voice service through the second NF network element, it is used to implement: obtaining the network element information of the second NF network element and establishing the voice service according to the network element information of the second NF network element.
  • the processor 401 before obtaining the first NF network element corresponding to the voice service, is used to implement: obtaining the network element configuration information of the first NF network element, and determining the type of the first NF network element according to the network element configuration information of the first NF network element; determining multiple preset NF network elements according to the type of the first NF network element, and generating the network element group information through the first NF network element and the multiple preset NF network elements.
  • the processor 401 is used to implement: canceling the first NF network element in the network element group information to obtain the corrected network element group information.
  • the embodiment of the present application also provides a storage medium for computer-readable storage, wherein the storage medium stores one or more programs, and the one or more programs can be executed by one or more processors to implement the steps of any method for establishing a voice service provided in the description of the embodiment of the present application.
  • the storage medium may be an internal storage unit of the network device or terminal device described in the foregoing embodiments, such as a hard disk or memory of the terminal device.
  • the storage medium may also be an external storage device of the terminal device, such as a plug-in hard disk, a smart memory card (Smart Media Card, SMC), a secure digital (Secure Digital, SD) card, a flash card (Flash Card), etc., equipped on the terminal device.
  • a plug-in hard disk such as a smart memory card (Smart Media Card, SMC), a secure digital (Secure Digital, SD) card, a flash card (Flash Card), etc.
  • Such software may be distributed on a computer-readable medium, which may include a computer storage medium (or non-transitory medium) and a communication medium (or temporary medium).
  • a computer storage medium includes volatile and non-volatile, removable and non-removable media implemented in any method or technology for storing information (such as computer-readable instructions, data structures, program modules, or other data).
  • Computer storage media include, but are not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tapes, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to store the desired information and can be accessed by a computer.
  • communication media typically contain computer-readable instructions, data structures, program modules, or other data in a modulated data signal such as a carrier wave or other transport mechanism, and may include any information delivery media.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (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. La demande concerne un procédé d'établissement de service vocal, un dispositif de réseau et un support de stockage. Le procédé consiste à : acquérir un premier élément de réseau NF correspondant à un service vocal et détecter l'état du premier élément de réseau NF ; s'il est détecté que l'état du premier élément de réseau NF est un état anormal, acquérir des informations d'élément de réseau du premier élément de réseau NF, les informations d'élément de réseau comprenant des informations de groupe d'éléments de réseau ; et déterminer un second élément de réseau NF en fonction des informations de groupe d'éléments de réseau et établir le service vocal au moyen du second élément de réseau NF.
PCT/CN2023/134085 2022-12-12 2023-11-24 Procédé d'établissement de service vocal, dispositif de réseau et support de stockage Ceased WO2024125269A1 (fr)

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CN202211591571.8A CN118234053A (zh) 2022-12-12 2022-12-12 语音业务的建立方法、网络设备及存储介质

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109818766A (zh) * 2017-11-21 2019-05-28 中兴通讯股份有限公司 一种通信方法、网络功能实体、网络功能仓储及计算机可读存储介质
CN110958718A (zh) * 2018-09-27 2020-04-03 中兴通讯股份有限公司 一种pdu会话重建方法、装置、系统及存储介质
CN111083718A (zh) * 2018-10-22 2020-04-28 中国移动通信有限公司研究院 一种会话管理方法、网络功能及网络系统
CN114978910A (zh) * 2022-08-02 2022-08-30 广东省新一代通信与网络创新研究院 一种虚拟化核心网的时间敏感实现方法及系统
US20220322065A1 (en) * 2021-03-31 2022-10-06 Cisco Technology, Inc. Techniques to provide resiliency and overload control for access and mobility management functions

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109818766A (zh) * 2017-11-21 2019-05-28 中兴通讯股份有限公司 一种通信方法、网络功能实体、网络功能仓储及计算机可读存储介质
CN110958718A (zh) * 2018-09-27 2020-04-03 中兴通讯股份有限公司 一种pdu会话重建方法、装置、系统及存储介质
CN111083718A (zh) * 2018-10-22 2020-04-28 中国移动通信有限公司研究院 一种会话管理方法、网络功能及网络系统
US20220322065A1 (en) * 2021-03-31 2022-10-06 Cisco Technology, Inc. Techniques to provide resiliency and overload control for access and mobility management functions
CN114978910A (zh) * 2022-08-02 2022-08-30 广东省新一代通信与网络创新研究院 一种虚拟化核心网的时间敏感实现方法及系统

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NOKIA, NOKIA SHANGHAI BELL, VERIZON, AT&T, TELECOM ITALIA, NTT DOCOMO: "GUTI unique across AMFs in an AMF SET", 3GPP TSG-SA WG2 MEETING #126, S2-182963, 5 March 2018 (2018-03-05), XP051408859 *

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