WO2024093845A1 - 一种终端VoNR能力的获取方法、装置及可读存储介质 - Google Patents
一种终端VoNR能力的获取方法、装置及可读存储介质 Download PDFInfo
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- WO2024093845A1 WO2024093845A1 PCT/CN2023/127279 CN2023127279W WO2024093845A1 WO 2024093845 A1 WO2024093845 A1 WO 2024093845A1 CN 2023127279 W CN2023127279 W CN 2023127279W WO 2024093845 A1 WO2024093845 A1 WO 2024093845A1
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- 230000004044 response Effects 0.000 claims abstract description 99
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- 230000006870 function Effects 0.000 claims description 13
- 238000010586 diagram Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 230000003993 interaction Effects 0.000 description 4
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- 102100023591 Polyphosphoinositide phosphatase Human genes 0.000 description 2
- 101100233916 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) KAR5 gene Proteins 0.000 description 2
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- 101100012902 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) FIG2 gene Proteins 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
- H04W8/24—Transfer of terminal data
Definitions
- the present invention claims the priority of a Chinese patent application with an application date of November 1, 2022, application number CN202211354079.9, and name “A method, device and readable storage medium for acquiring terminal VoNR capabilities”.
- the present invention relates to the field of network technology, and in particular to a method, device and readable storage medium for acquiring VoNR capabilities of a terminal.
- VoNR Voice Over New Radio
- UECapabilityinformation UE (User Equipment) capability message
- 4G core network MME Mobility Management Entity
- 5G core network AMF Access and Mobility Management Function
- the technical problem to be solved by the present invention is to provide a method, device and readable storage medium for obtaining the VoNR capability of a terminal in view of the above-mentioned shortcomings of the prior art, so as to solve the problem that the existing core network equipment cannot identify the VoNR capability of the terminal in advance.
- the present invention provides a method for acquiring VoNR capabilities of a terminal, which is applied to a core network device, and the method includes:
- the value of the VoNR capability field is supported or not supported. If the value of the VoNR capability field is supported, it indicates that the terminal has VoNR capability and is in an enabled state. If the value of the VoNR capability field is not supported, it means that the terminal does not have the VoNR capability or has the VoNR capability but the VoNR capability is in a disabled state.
- the core network device is a mobility management entity MME
- the sending the first request message to the wireless network device specifically includes:
- the receiving a first response message sent by the wireless network device based on the first request message specifically includes:
- the core network device is an access and mobility management function AMF
- the sending the first request message to the wireless network device specifically includes:
- the receiving a first response message sent by the wireless network device based on the first request message specifically includes:
- the sending a first request message to the wireless network device specifically includes:
- the sending a first request message to the wireless network device specifically includes:
- a first request message is sent to the wireless network device.
- the present invention provides a method for acquiring VoNR capabilities of a terminal, which is applied to a wireless network device, and the method includes:
- a first response message is sent to the core network device, wherein the first response message carries a VoNR capability field, so that the core network device can The value of the capability field obtains the VoNR capability of the terminal.
- the value of the VoNR capability field is supported or not supported. If the value of the VoNR capability field is supported, it indicates that the terminal has VoNR capability and is in an on state. If the value of the VoNR capability field is not supported, it indicates that the terminal does not have VoNR capability or has VoNR capability but the VoNR capability is in an off state.
- the method before sending a first response message to the core network device based on the first request message, the method further includes:
- the sending a first response message to the core network device based on the first request message specifically includes:
- a first response message with a VoNR capability field value of supported is sent to the core network device; otherwise, a first response message with a VoNR capability field value of not supported is sent to the core network device.
- the core network device is a mobility management entity MME, and the receiving a first request message sent by the core network device specifically includes:
- the sending a first response message to the core network device based on the first request message specifically includes:
- the core network device is an access and mobility management function AMF, and the receiving a first request message sent by the core network device specifically includes:
- the sending a first response message to the core network device based on the first request message specifically includes:
- the AMF Based on the UE radio capability check request message, the AMF sends a The VoNR capability field of the UE Radio Capability Check Response message.
- the present invention provides a device for acquiring terminal VoNR capabilities, which is arranged in a core network device, and the device includes:
- a request sending module configured to send a first request message to a wireless network device, wherein the first request message is used to request to obtain the VoNR capability of the terminal;
- a response receiving module connected to the request sending module, and configured to receive a first response message sent by the wireless network device based on the first request message, wherein the first response message carries a VoNR capability field;
- a capability acquisition module is connected to the response receiving module and is used to obtain the VoNR capability of the terminal according to the value of the VoNR capability field.
- the present invention provides a device for acquiring VoNR capabilities of a terminal, which is arranged in a wireless network device, and the device includes:
- a request receiving module used to receive a first request message sent by a core network device, where the first request message is used to request to obtain the VoNR capability of the terminal;
- a response sending module is connected to the request receiving module, and is used to send a first response message to the core network device based on the first request message, wherein the first response message carries a VoNR capability field so that the core network device obtains the VoNR capability of the terminal according to the value of the VoNR capability field.
- the present invention provides a device for acquiring terminal VoNR capabilities, including a memory and a processor, wherein the memory stores a computer program, and the processor is configured to run the computer program to implement the method for acquiring terminal VoNR capabilities described in the first aspect or the second aspect above.
- the present invention provides a computer-readable storage medium, on which a computer program is stored.
- the computer program is executed by a processor, the method for acquiring the VoNR capability of the terminal described in the first aspect or the second aspect is implemented.
- the present invention provides a method, device and readable storage medium for acquiring the VoNR capability of a terminal, by sending a first request message to a wireless network device, the first request message being used to request the VoNR capability of the terminal; and receiving a first response message sent by the wireless network device based on the first request message, the first response message carrying a VoNR capability field; thereby enabling a core network device to acquire the VoNR capability of the terminal according to the value of the VoNR capability field. Capability.
- the present invention allows the core network to identify the VoNR capability of the terminal in advance by carrying the VoNR capability field in the message interaction between the wireless network and the core network, so that the core network does not need to decode the UE capability message and can obtain the VoNR capability of the UE, avoiding excessive processing delays caused by excessive capability reading, and solving the problem that the existing core network equipment cannot identify the VoNR capability of the terminal in advance.
- FIG1 is a flow chart of a method for acquiring VoNR capabilities of a terminal according to Embodiment 1 of the present invention
- FIG2 is a flow chart of a method for acquiring terminal VoNR capabilities according to Embodiment 2 of the present invention.
- FIG3 is a schematic diagram of the structure of a device for acquiring VoNR capabilities of a terminal according to Embodiment 3 of the present invention.
- FIG4 is a schematic structural diagram of a device for acquiring VoNR capabilities of a terminal according to Embodiment 4 of the present invention.
- FIG5 is a schematic diagram of the structure of a device for acquiring VoNR capabilities of a terminal according to Embodiment 5 of the present invention.
- each unit and module involved in the embodiments of the present invention may correspond to only one physical structure, or may be composed of multiple physical structures, or multiple units and modules may be integrated into one physical structure.
- each box in the flowchart or block diagram may represent a unit, module, program segment, or code, which contains executable instructions for implementing the specified functions.
- each box or combination of boxes in the block diagram and flowchart may be implemented by a hardware-based system that implements the specified functions, or may be implemented by a combination of hardware and computer instructions.
- the units and modules involved in the embodiments of the present invention can be implemented by software or hardware.
- the units and modules can be located in a processor.
- Embodiment 1 is a diagrammatic representation of Embodiment 1:
- This embodiment provides a method for acquiring VoNR capability of a terminal, which is applied to a core network device. As shown in FIG1 , the method includes:
- Step S101 Send a first request message to a wireless network device, where the first request message is used to request to obtain the VoNR capability of the terminal.
- Step S102 Receive a first response message sent by the wireless network device based on the first request message, where the first response message carries a VoNR capability field.
- Step S103 Acquire the VoNR capability of the terminal according to the value of the VoNR capability field.
- a method for acquiring terminal VoNR capabilities provided by the present invention can be applied to the MME of the current network.
- a method for acquiring terminal VoNR capabilities provided by the present invention can be applied to the AMF of the current network, wherein, in a scenario with a home network, the current network refers to the home network, and in a scenario without a home network, the current network refers to the visited network.
- the value of the VoNR capability field is supported or not supported. If the value of the VoNR capability field is supported, it indicates that the terminal has VoNR capability and is in an on state. If the value of the VoNR capability field is not supported, it indicates that the terminal does not have VoNR capability or has VoNR capability but the VoNR capability is in an off state.
- the VoNR capability field may be a numeric type, an enumeration type, or a Boolean type, used to indicate whether the terminal supports the VoNR capability or is in an enabled state.
- the VoNR capability field is a numeric type, 0 can be used to represent support, which means that the terminal has VoNR capability and is in the turned-on state, and 1 can be used to represent support, which means that the terminal does not have VoNR capability or has VoNR capability but the VoNR capability is in the turned-off state; accordingly, when the VoNR capability field is an enumeration type, supported can be used to represent support, and not supported can be used to represent non-support.
- the VoNR capability field is a Boolean type, true can be used to represent support, and false can be used to represent non-support.
- the core network device is a mobility management entity MME
- the sending the first request message to the wireless network device specifically includes:
- UE radio capability match request message (UE RADIO CAPABILITY MATCH REQUEST) carrying a VoNR capability field to the wireless network device;
- the receiving a first response message sent by the wireless network device based on the first request message specifically includes:
- UE RADIO CAPABILITY MATCH RESPONSE carrying the VoNR capability field and sent by the wireless network device based on the UE radio capability match request message.
- a VoNR (Voice over NR) capability field may be added to the UE wireless capability matching request message sent by the core network device (MME) to the wireless network device (eNB) and the UE wireless capability matching response message sent by the eNB to the MME.
- MME core network device
- eNB wireless network device
- a VoNR capability field may be added to the UE wireless capability matching request message sent by the core network device (MME) to the wireless network device (eNB) and the UE wireless capability matching response message sent by the eNB to the MME.
- Table 1 Description of VoNR capability fields in UE RADIO CAPABILITY MATCH REQUEST
- Table 2 Description of VoNR capability fields in UE RADIO CAPABILITY MATCH RESPONSES
- the core network device is an access and mobility management function AMF
- the line network device sends a first request message, which specifically includes:
- UE radio capability check request message (UE RADIO CAPABILITY CHECK REQUEST) carrying a VoNR capability field to the wireless network device;
- the receiving a first response message sent by the wireless network device based on the first request message specifically includes:
- UE RADIO CAPABILITY CHECK RESPONSE carrying the VoNR capability field and sent by the wireless network device based on the UE radio capability check request message.
- the VoNR (Voice over NR) capability field can be carried in the UE wireless capability check request message sent by the core network device (AMF) to the wireless network device (gNB) and the UE wireless capability check response message sent by the gNB to the AMF.
- AMF core network device
- gNB wireless network device
- UE wireless capability check response message sent by the gNB to the AMF.
- this embodiment adds a VoNR (Voice over NR) capability field to the corresponding message.
- the description of the VoNR capability field can be shown in Table 3 and Table 4:
- Table 3 Description of VoNR capability fields in UE RADIO CAPABILITY CHECK REQUEST
- Table 4 Description of VoNR capability fields in UE RADIO CAPABILITY CHECK RESPONSE
- the sending a first request message to the wireless network device specifically includes:
- the wireless network device when the terminal attaches/registers to the core network device of the home network/visited network, the wireless network device obtains the registration information of the terminal and other capability information except the VoNR capability and sends it to the core network device; after the core network device finds that the terminal user has signed up for the core network roaming service, it sends a first request message to the wireless network device to obtain the VoNR capability of the terminal. If the core network device finds that the terminal user has not signed up for the core network roaming service, it can also follow the normal flow The program can be used for registration or mobility update, etc.
- the inventors found that: in the 5G core network roaming scenario, since the existing EPLMN list setting method cannot differentiate the VoNR capabilities and EPS FB (EPS Fallback, evolved packet circuit fallback) capabilities of the terminal and the visited network, it is easy to cause the terminal to be unable to use voice services after moving to the visited network, or when the terminal cannot use voice services in the visited network, it is unable to actively return to the home network, which seriously affects the user experience. How the core network obtains the VoNR capability of the terminal is crucial for the terminal that needs to roam in the core network. If the core network cannot identify the VoNR capability of the terminal in advance, it is easy to misjudge the roaming behavior of the terminal.
- EPS FB EPS Fallback, evolved packet circuit fallback
- this embodiment carries the VoNR capability field in the message interaction between the wireless network and the core network, and dynamically requests VoNR capability from the wireless network device according to the contract status of the core network roaming service, thereby avoiding misjudgment of the roaming behavior of the terminal.
- the sending a first request message to the wireless network device specifically includes:
- a first request message is sent to the wireless network device.
- the core network device when the core network device detects that the contract information of the core network roaming service of the terminal has changed, it sends a first request message to the wireless network device to obtain the VoNR capability of the terminal, so that the core network device can set the EPLMN list in a differentiated manner according to the VoNR capability and EPS FB capability of the terminal and the visited network.
- the core network device is the MME of the 4G network
- the wireless network device is the eNB of the 4G network
- the terminal is a 5G terminal.
- the 5G terminal When the 5G terminal is turned on and selects a network, it preferentially selects the frequency point where the HPLMN (Home Public Land Mobile Network) is located for logging in; after the 5G terminal searches for the 4G signal and successfully accesses the signal randomly, it initiates an attach request to the MME of the 4G core network, which carries IMSI (International Mobile Subscriber Identity), IMEI (International Mobile Equipment Identity), location information, such as TAC (Tracking Area Code), IMS (IP Multimedia Subsystem) voice capability (IMS PS Voice preferred, i.e., IMS packet domain voice priority, CS Voice as secondary, i.e., circuit domain voice priority second), Short message capability, emergency call capability, EPS FB capability, etc.
- IMSI International Mobile Subscriber Identity
- IMEI International Mobile Equipment Identity
- location information such as TAC (
- the eNB initiates a UE capability query request (UEcapabilityenquiry) to the 5G terminal, and asks the 5G terminal for the terminal's 5G capability information.
- UEcapabilityenquiry UEcapabilityenquiry
- the VoNR capability can be identified in the VoiceoverNR carried in the UE capability message and sent to the 4G eNB.
- the method of transmitting the terminal VoNR capability between the 4G wireless network and the core network is as follows:
- the core network MME When the core network MME receives the attach request from the 5G terminal, it checks the contract status of the 5G terminal. If it finds that the 5G terminal supports the core network roaming service, it queries the visited network capability information of the core network roaming contracted by the 5G terminal, such as whether it supports the VoNR capability and whether it supports the EPS FB capability.
- the core network MME after receiving the attach request from the 5G terminal, if the core network MME finds that the 5G terminal supports core network roaming services, it can further determine whether the terminal meets the core network roaming conditions based on the terminal's location information, and/or IMSI, and/or IMEI, and/or MSISDN. If the core network roaming conditions are met, it can query the visited network related capability information of the core network roaming signed by the 5G terminal and jump to the next step.
- the core network MME sends a UE RADIO CAPABILITY MATCH REQUEST message to the eNB to request the VoNR capability of the 5G terminal.
- the MME needs to enable this process for all 5G terminals.
- a new Voice over NR field is set in the message body of the UE RADIO CAPABILITY MATCH REQUEST, and the value can be the default value.
- the wireless network eNB After receiving the UE RADIO CAPABILITY MATCH REQUEST message, the wireless network eNB parses the UE wireless capabilities and finds that the Voice over NR field is supported. It replies that Voice over NR is supported in the UE RADIO CAPABILITY MATCH RESPONSE message and sends it to the MME. A new Voice over NR field is set in the message body of the UE RADIO CAPABILITY MATCH RESPONSE. The value can be supported or not supported. The value is consistent with the VoNR capability indication in the UECapabilityInformation.
- the MME obtains the VoNR capability of the 5G terminal and stores it, and determines whether the 5G terminal meets the requirement of setting the roaming PLMN of the visited network and the home PLMN of the home network to be equivalent according to the VoNR capability and EPS FB capability of the 5G terminal and the visited network. If the condition is met, the MME sends an attach accept message to the 5G terminal without carrying the EPLMN list.
- the MME sends an attach accept message to the 5G terminal with the EPLMN list to set the roaming PLMN of the visited network and the home PLMN of the home network to be equivalent PLMNs, wherein determining whether the 5G terminal meets the condition for setting the roaming PLMN of the visited network and the home PLMN of the home network to be equivalent specifically includes at least one of the following:
- the visited network supports the VoNR capability and the EPS FB capability, and the terminal supports at least one of the VoNR capability and the EPS FB capability, it is determined that the terminal meets the condition of setting the roaming PLMN of the visited network and the home PLMN of the home network to be equivalent;
- the terminal If the visited network supports VoNR capability and EPS FB capability, and the terminal does not support VoNR capability and EPS FB capability and is a non-voice terminal, it is determined that the terminal meets the condition of setting the roaming PLMN of the visited network and the home PLMN of the home network to be equivalent;
- the visited network supports the VoNR capability but does not support the EPS FB capability, and the terminal supports the VoNR capability, it is determined that the terminal meets the condition of setting the roaming PLMN of the visited network and the home PLMN of the home network to be equivalent;
- the terminal does not support the VoNR capability but supports the EPS FB capability, it is determined that the terminal does not meet the condition of setting the roaming PLMN of the visited network and the home PLMN of the home network to be equivalent;
- the terminal does not support the VoNR capability and the EPS FB capability and the terminal is a non-voice terminal, it is determined that the terminal meets the condition of setting the roaming PLMN of the visited network and the home PLMN of the home network to be equivalent;
- the terminal if the visited network does not support the VoNR capability but supports the EPS FB capability, and the terminal supports the EPS FB capability, it is determined that the terminal meets the condition of setting the roaming PLMN of the visited network and the home PLMN of the home network to be equivalent;
- the terminal does not meet the condition of setting the roaming PLMN of the visited network and the home PLMN of the home network to be equivalent;
- the terminal if the visited network does not support the VoNR capability but supports the EPS FB capability, the terminal does not support the VoNR capability and the EPS FB capability and the terminal is a non-voice terminal, it is determined that the terminal meets the condition of setting the roaming PLMN of the visited network and the home PLMN of the home network to be equivalent;
- the visited network does not support the VoNR capability and does not support the EPS FB capability, and the terminal supports at least one of the VoNR capability and the EPS FB capability, it is determined that the terminal does not meet the condition of setting the roaming PLMN of the visited network and the home PLMN of the home network to be equivalent;
- the terminal does not support VoNR capability and EPS FB capability and the terminal is a non-voice terminal, it is determined that the terminal meets the conditions for setting the roaming PLMN of the visited network and the home PLMN of the home network to be equivalent.
- the core network device is the AMF of the 5G network
- the wireless network device is the gNB of the 5G network
- the terminal is a 5G terminal.
- the 5G terminal When the 5G terminal is turned on and selects a network, it gives priority to the frequency point where the HPLMN (Home Public Land Mobile Network) is located for logging in.
- HPLMN Home Public Land Mobile Network
- the 5G terminal After the 5G terminal searches for the 5G signal and successfully accesses the random access, it initiates a Registration request to the AMF of the 5G core network, which carries IMSI, IMEI, location information (TAC), and IMS voice capability (IMS PS Voice preferred, that is, IMS packet domain voice priority, CS Voice as secondary, that is, circuit domain voice priority second), short message capability, emergency call capability, EPS FB capability, etc., are directly sent to the AMF of the core network through NAS messages; gNB initiates a UE capability query request (UEcapabilityenquiry) to the 5G terminal, and asks the 5G terminal for the terminal's 5G capability information.
- the VoNR capability can be identified in the VoiceoverNR carried in the UE capability message and sent to the 5G gNB.
- the method of transmitting the terminal VoNR capability between the 5G wireless network and the core network is as follows:
- the core network AMF When the core network AMF receives the Registration request from the 5G terminal, it checks the contract status of the 5G terminal. If it finds that the 5G terminal supports the core network roaming service, it queries the visited network capability information of the core network roaming contracted by the 5G terminal, such as whether it supports the VoNR capability and whether it supports the EPS FB capability.
- the core network AMF after receiving the Registration request from the 5G terminal, if the core network AMF finds that the 5G terminal supports core network roaming services, it can further determine whether the terminal meets the core network roaming conditions based on the terminal's location information, and/or IMSI, and/or IMEI, and/or MSISDN. If the core network roaming conditions are met, it can query the visited network capability information related to the core network roaming signed by the 5G terminal and jump to the next step.
- the core network AMF sends a UE RADIO CAPABILITY CHECK REQUEST message to the gNB to request the VoNR capability of the 5G terminal.
- the AMF needs This process is enabled for all 5G terminals.
- a new Voice over NR field is set in the message body of UE RADIO CAPABILITY CHECK REQUEST, and the value can be the default value.
- the gNB After receiving the UE RADIO CAPABILITY CHECK REQUEST message, the gNB parses the UE radio capabilities and finds that the Voice over NR field is supported. It replies that Voice over NR is supported in the UE RADIO CAPABILITY CHECK RESPONSE message and sends it to the AMF. A new Voice over NR field is set in the message body of the UE RADIO CAPABILITY CHECK RESPONSE. The value can be supported or not supported. The value is consistent with the VoNR capability indication in the UECapabilityInformation.
- the AMF obtains the VoNR capability of the 5G terminal and stores it, and determines whether the 5G terminal meets the condition of setting the roaming PLMN of the visited network and the home PLMN of the home network to be equivalent according to the VoNR capability and EPS FB capability of the 5G terminal and the visited network. If so, the AMF sends an attach accept message to the 5G terminal without carrying the EPLMN list. If not, the AMF sends an attach accept message to the 5G terminal with the EPLMN list to set the roaming PLMN of the visited network and the home PLMN of the home network to be equivalent PLMNs.
- the determination of whether the 5G terminal meets the condition of setting the roaming PLMN of the visited network and the home PLMN of the home network to be equivalent includes at least one of the following:
- the visited network supports the VoNR capability and the EPS FB capability, and the terminal supports at least one of the VoNR capability and the EPS FB capability, it is determined that the terminal meets the condition of setting the roaming PLMN of the visited network and the home PLMN of the home network to be equivalent;
- the terminal If the visited network supports VoNR capability and EPS FB capability, and the terminal does not support VoNR capability and EPS FB capability and is a non-voice terminal, it is determined that the terminal meets the condition of setting the roaming PLMN of the visited network and the home PLMN of the home network to be equivalent;
- the visited network supports the VoNR capability but does not support the EPS FB capability, and the terminal supports the VoNR capability, it is determined that the terminal meets the condition of setting the roaming PLMN of the visited network and the home PLMN of the home network to be equivalent;
- the visited network supports VoNR capability but does not support EPS FB capability, and the terminal does not support VoNR capability but supports EPS FB capability, then it is determined that the terminal does not meet the requirements of the visited network.
- the roaming PLMN and the home PLMN of the home network are set to be equivalent;
- the terminal does not support the VoNR capability and the EPS FB capability and the terminal is a non-voice terminal, it is determined that the terminal meets the condition of setting the roaming PLMN of the visited network and the home PLMN of the home network to be equivalent;
- the terminal if the visited network does not support the VoNR capability but supports the EPS FB capability, and the terminal supports the EPS FB capability, it is determined that the terminal meets the condition of setting the roaming PLMN of the visited network and the home PLMN of the home network to be equivalent;
- the terminal does not meet the condition of setting the roaming PLMN of the visited network and the home PLMN of the home network to be equivalent;
- the terminal if the visited network does not support the VoNR capability but supports the EPS FB capability, the terminal does not support the VoNR capability and the EPS FB capability and the terminal is a non-voice terminal, it is determined that the terminal meets the condition of setting the roaming PLMN of the visited network and the home PLMN of the home network to be equivalent;
- the visited network does not support the VoNR capability and does not support the EPS FB capability, and the terminal supports at least one of the VoNR capability and the EPS FB capability, it is determined that the terminal does not meet the condition of setting the roaming PLMN of the visited network and the home PLMN of the home network to be equivalent;
- the terminal does not support VoNR capability and EPS FB capability and the terminal is a non-voice terminal, it is determined that the terminal meets the conditions for setting the roaming PLMN of the visited network and the home PLMN of the home network to be equivalent.
- the present invention provides a method, device and readable storage medium for acquiring the VoNR capability of a terminal, by sending a first request message to a wireless network device, the first request message being used to request the VoNR capability of the terminal; and receiving a first response message sent by the wireless network device based on the first request message, the first response message carrying a VoNR capability field; thereby enabling the core network device to acquire the VoNR capability of the terminal according to the value of the VoNR capability field.
- the present invention allows the core network to identify the VoNR capability of the terminal in advance by carrying the VoNR capability field in the message interaction between the wireless network and the core network, so that the core network can obtain the VoNR capability of the UE without decoding the UE capability message, thereby avoiding excessive processing delays caused by excessive capability readings, and solving the problem that the existing core network device cannot identify the VoNR capability of the terminal in advance.
- Embodiment 2 is a diagrammatic representation of Embodiment 1:
- this embodiment provides a method for acquiring VoNR capabilities of a terminal, which is applied to a wireless network device.
- the method includes:
- Step S201 receiving a first request message sent by a core network device, where the first request message is used to request to obtain the VoNR capability of the terminal;
- Step S202 Send a first response message to the core network device based on the first request message, where the first response message carries a VoNR capability field, so that the core network device obtains the VoNR capability of the terminal according to the value of the VoNR capability field.
- the value of the VoNR capability field is supported or not supported. If the value of the VoNR capability field is supported, it indicates that the terminal has VoNR capability and is in an on state. If the value of the VoNR capability field is not supported, it indicates that the terminal does not have VoNR capability or has VoNR capability but the VoNR capability is in an off state.
- the method before sending a first response message to the core network device based on the first request message, the method further includes:
- the sending a first response message to the core network device based on the first request message specifically includes:
- a first response message with a VoNR capability field value of supported is sent to the core network device; otherwise, a first response message with a VoNR capability field value of not supported is sent to the core network device.
- the core network device is a mobility management entity MME, and the receiving a first request message sent by the core network device specifically includes:
- the sending a first response message to the core network device based on the first request message specifically includes:
- the core network device is an access and mobility management function AMF, and the receiving a first request message sent by the core network device specifically includes:
- the sending a first response message to the core network device based on the first request message specifically includes:
- Embodiment 3 is a diagrammatic representation of Embodiment 3
- this embodiment provides a device for acquiring the VoNR capability of a terminal, which is arranged in a core network device and is used to execute the method for acquiring the VoNR capability of the terminal in the above-mentioned embodiment 1.
- the device includes:
- a request sending module 11 is used to send a first request message to a wireless network device, where the first request message is used to request to obtain the VoNR capability of the terminal;
- a response receiving module 12 connected to the request sending module 11, and configured to receive a first response message sent by the wireless network device based on the first request message, wherein the first response message carries a VoNR capability field;
- the capability acquisition module 13 is connected to the response receiving module 12 and is used to obtain the VoNR capability of the terminal according to the value of the VoNR capability field.
- the value of the VoNR capability field is supported or not supported. If the value of the VoNR capability field is supported, it indicates that the terminal has VoNR capability and is in an on state. If the value of the VoNR capability field is not supported, it indicates that the terminal does not have VoNR capability or has VoNR capability but the VoNR capability is in an off state.
- the core network device is a mobility management entity MME, and the request sending module 11 is specifically used for:
- the response receiving module 12 is specifically used for:
- the UE radio capability matching response message includes the VoNR capability field.
- the core network device is an access and mobility management function AMF, and the request sending module 11 is specifically used to:
- the response receiving module 12 is specifically used for:
- the request sending module 11 is specifically used for:
- the request sending module 11 is specifically used for:
- a first request message is sent to the wireless network device.
- Embodiment 4 is a diagrammatic representation of Embodiment 4:
- this embodiment provides a device for acquiring the VoNR capability of a terminal, which is arranged in a wireless network device and is used to execute the method for acquiring the VoNR capability of the terminal in the above-mentioned embodiment 2.
- the device includes:
- a request receiving module 21 is used to receive a first request message sent by a core network device, where the first request message is used to request to obtain the VoNR capability of the terminal;
- the response sending module 22 is connected to the request receiving module 21, and is used to send a first response message to the core network device based on the first request message, and the first response message carries a VoNR capability field so that the core network device obtains the VoNR capability of the terminal according to the value of the VoNR capability field.
- the value of the VoNR capability field is supported or not supported. If the value of the VoNR capability field is supported, it indicates that the terminal has VoNR capability and is in an on state. If the value of the VoNR capability field is not supported, it indicates that the terminal does not have VoNR capability or has VoNR capability but the VoNR capability is in an off state.
- the device further comprises:
- a first sending module configured to send a UE capability query request to the terminal
- a first receiving module configured to receive a UE capability message returned by the terminal based on the UE capability query request
- the response sending module 22 specifically includes:
- a first acquiring unit configured to acquire the UE capability message based on the first request message
- the first sending unit is configured to send a first response message with a VoNR capability field value of "supported” to the core network device if the UE capability message is used to indicate that the terminal supports VoNR capability; otherwise, send a first response message with a VoNR capability field value of "not supported” to the core network device.
- the core network device is a mobility management entity MME, and the request receiving module 21 is specifically used to:
- the response sending module 22 is specifically used for:
- the core network device is an access and mobility management function AMF, and the request receiving module 21 is specifically used to:
- the response sending module 22 is specifically used for:
- Embodiment 5 is a diagrammatic representation of Embodiment 5:
- this embodiment provides a device for acquiring terminal VoNR capabilities, including a memory 31 and a processor 32, the memory 31 stores a computer program, and the processor 32 is configured to run the computer program to execute the method for acquiring terminal VoNR capabilities in Example 1 or Example 2.
- the memory 31 is connected to the processor 32, and the memory 31 can be a flash memory or a read-only memory.
- the processor 32 may be a central processing unit or a single-chip microcomputer.
- Embodiment 6 is a diagrammatic representation of Embodiment 6
- This embodiment provides a computer-readable storage medium, on which a computer program is stored.
- the computer program is executed by a processor, the method for acquiring the VoNR capability of the terminal in the above-mentioned embodiment 1 or embodiment 2 is implemented.
- the computer-readable storage medium includes volatile or non-volatile, removable or non-removable media implemented in any method or technology for storing information (such as computer-readable instructions, data structures, computer program modules or other data).
- Computer-readable storage media include, but are not limited to, RAM (Random Access Memory), ROM (Read-Only Memory), EEPROM (Electrically Erasable Programmable read only memory), flash memory or other memory technology, CD-ROM (Compact Disc Read-Only Memory), digital versatile disk (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.
- the method, device and readable storage medium for acquiring the VoNR capability of the terminal send a first request message to the wireless network device, the first request message is used to request the VoNR capability of the terminal; and receive a first response message sent by the wireless network device based on the first request message, the first response message carries the VoNR capability field; so that the core network device can obtain the VoNR capability of the terminal according to the value of the VoNR capability field.
- the present invention allows the core network to identify the VoNR capability of the terminal in advance by carrying the VoNR capability field in the message interaction between the wireless network and the core network, so that the core network can obtain the VoNR capability of the UE without decoding the UE capability message, thereby avoiding excessive processing delays caused by excessive capability readings, and solving the problem that the existing core network equipment cannot identify the VoNR capability of the terminal in advance.
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Abstract
本发明提供一种终端VoNR能力的获取方法、装置及可读存储介质,涉及网络技术领域,该方法包括:向无线网设备发送第一请求消息,所述第一请求消息用于请求获取所述终端的VoNR能力;接收所述无线网设备基于所述第一请求消息发送的第一响应消息,所述第一响应消息携带VoNR能力字段;根据所述VoNR能力字段的值获取所述终端的VoNR能力。该方法、装置及可读存储介质能够解决现有的核心网设备无法提前识别终端的VoNR能力的问题。
Description
本发明要求申请日为2022年11月01日、申请号为CN202211354079.9、名称为“一种终端VoNR能力的获取方法、装置及可读存储介质”的中国专利申请的优先权。
本发明涉及网络技术领域,尤其涉及一种终端VoNR能力的获取方法、装置及可读存储介质。
目前,终端是否支持VoNR(Voice Over New Radio,新空口语音)能力,只能通过UE(User Equipment,用户设备)能力消息(UECapabilityinformation)传递,根据3GPP协议,4G核心网MME(Mobility Management Entity,移动性管理实体)或者5G核心网AMF(Access and Mobility Management Function,接入及移动性管理功能)会保存UECapabilityinformation,但不会解析,从而导致核心网设备无法提前识别终端的VoNR能力的问题。
发明内容
本发明所要解决的技术问题是针对现有技术的上述不足,提供一种终端VoNR能力的获取方法、装置及可读存储介质,用以解决现有的核心网设备无法提前识别终端的VoNR能力的问题。
第一方面,本发明提供一种终端VoNR能力的获取方法,应用于核心网设备,所述方法包括:
向无线网设备发送第一请求消息,所述第一请求消息用于请求获取所述终端的VoNR能力;
接收所述无线网设备基于所述第一请求消息发送的第一响应消息,所述第一响应消息携带VoNR能力字段;
根据所述VoNR能力字段的值获取所述终端的VoNR能力。
可选地,所述VoNR能力字段的值为支持或不支持,若所述VoNR能力字段的值为支持则表示所述终端具有VoNR能力且处于开启状态,
若所述VoNR能力字段的值为不支持则表示所述终端不具有VoNR能力或者具备VoNR能力但所述VoNR能力处于关闭状态。
可选地,所述核心网设备为移动性管理实体MME,所述向无线网设备发送第一请求消息,具体包括:
向所述无线网设备发送携带有VoNR能力字段的用户终端设备UE无线能力匹配请求消息;
所述接收所述无线网设备基于所述第一请求消息发送的第一响应消息,具体包括:
接收所述无线网设备基于所述UE无线能力匹配请求消息发送的携带有所述VoNR能力字段的UE无线能力匹配响应消息。
可选地,所述核心网设备为接入及移动性管理功能AMF,所述向无线网设备发送第一请求消息,具体包括:
向所述无线网设备发送携带有VoNR能力字段的UE无线能力检查请求消息;
所述接收所述无线网设备基于所述第一请求消息发送的第一响应消息,具体包括:
接收所述无线网设备基于所述UE无线能力检查请求消息发送的携带有所述VoNR能力字段的UE无线能力检查响应消息。
可选地,所述向无线网设备发送第一请求消息,具体包括:
判断所述终端是否签约了核心网漫游业务,若是,则向所述无线网设备发送第一请求消息。
可选地,所述向无线网设备发送第一请求消息,具体包括:
当检测到所述终端对应的核心网漫游业务的签约状态从未签约状态变更为已签约状态时,向所述无线网设备发送第一请求消息。
第二方面,本发明提供一种终端VoNR能力的获取方法,应用于无线网设备,所述方法包括:
接收核心网设备发送的第一请求消息,所述第一请求消息用于请求获取所述终端的VoNR能力;
基于所述第一请求消息向所述核心网设备发送第一响应消息,所述第一响应消息携带VoNR能力字段,以使所述核心网设备根据所述VoNR
能力字段的值获取所述终端的VoNR能力。
可选地,所述VoNR能力字段的值为支持或不支持,若所述VoNR能力字段的值为支持则表示所述终端具有VoNR能力且处于开启状态,若所述VoNR能力字段的值为不支持则表示所述终端不具有VoNR能力或者具备VoNR能力但所述VoNR能力处于关闭状态。
可选地,所述基于所述第一请求消息向所述核心网设备发送第一响应消息之前,所述方法还包括:
向所述终端发送UE能力查询请求;
接收所述终端基于所述UE能力查询请求返回的UE能力消息;
所述基于所述第一请求消息向所述核心网设备发送第一响应消息,具体包括:
基于所述第一请求消息获取所述UE能力消息;
若所述UE能力消息用于指示所述终端支持VoNR能力,则向所述核心网设备发送VoNR能力字段值为支持的第一响应消息,否则,向所述核心网设备发送VoNR能力字段值为不支持的第一响应消息。
可选地,所述核心网设备为移动性管理实体MME,所述接收核心网设备发送的第一请求消息,具体包括:
接收所述MME发送的携带有VoNR能力字段的用户终端设备UE无线能力匹配请求消息;
所述基于所述第一请求消息向所述核心网设备发送第一响应消息,具体包括:
基于所述UE无线能力匹配请求消息向所述MME发送携带有所述VoNR能力字段的UE无线能力匹配响应消息。
可选地,所述核心网设备为接入及移动性管理功能AMF,所述接收核心网设备发送的第一请求消息,具体包括:
接收所述AMF发送的携带有VoNR能力字段的UE无线能力检查请求消息;
所述基于所述第一请求消息向所述核心网设备发送第一响应消息,具体包括:
基于所述UE无线能力检查请求消息向所述AMF发送携带有所述
VoNR能力字段的UE无线能力检查响应消息。
第三方面,本发明提供一种终端VoNR能力的获取装置,设置于核心网设备,所述装置包括:
请求发送模块,用于向无线网设备发送第一请求消息,所述第一请求消息用于请求获取所述终端的VoNR能力;
响应接收模块,与所述请求发送模块连接,用于接收所述无线网设备基于所述第一请求消息发送的第一响应消息,所述第一响应消息携带VoNR能力字段;
能力获取模块,与所述响应接收模块连接,用于根据所述VoNR能力字段的值获取所述终端的VoNR能力。
第四方面,本发明提供一种终端VoNR能力的获取装置,设置于无线网设备,所述装置包括:
请求接收模块,用于接收核心网设备发送的第一请求消息,所述第一请求消息用于请求获取所述终端的VoNR能力;
响应发送模块,与所述请求接收模块连接,用于基于所述第一请求消息向所述核心网设备发送第一响应消息,所述第一响应消息携带VoNR能力字段,以使所述核心网设备根据所述VoNR能力字段的值获取所述终端的VoNR能力。
第五方面,本发明提供一种终端VoNR能力的获取装置,包括存储器和处理器,所述存储器中存储有计算机程序,所述处理器被设置为运行所述计算机程序以实现上述第一方面或第二方面所述的终端VoNR能力的获取方法。
第六方面,本发明提供一种计算机可读存储介质,所述计算机可读存储介质上存储有计算机程序,所述计算机程序被处理器执行时实现上述第一方面或第二方面所述的终端VoNR能力的获取方法。
本发明提供的终端VoNR能力的获取方法、装置及可读存储介质,通过向无线网设备发送第一请求消息,所述第一请求消息用于请求获取所述终端的VoNR能力;并接收所述无线网设备基于所述第一请求消息发送的第一响应消息,所述第一响应消息携带VoNR能力字段;从而使得核心网设备能够根据所述VoNR能力字段的值获取所述终端的VoNR
能力。本发明通过在无线网络和核心网络的消息交互中携带VoNR能力字段,可以让核心网提前识别终端的VoNR能力,使得核心网无需对UE能力消息进行解码,也可以得之UE的VoNR能力,避免了过多的能力读取导致的处理时延过长,解决了现有的核心网设备无法提前识别终端的VoNR能力的问题。
图1为本发明实施例1的一种终端VoNR能力的获取方法的流程图;
图2为本发明实施例2的一种终端VoNR能力的获取方法的流程图;
图3为本发明实施例3的一种终端VoNR能力的获取装置的结构示意图;
图4为本发明实施例4的一种终端VoNR能力的获取装置的结构示意图;
图5为本发明实施例5的一种终端VoNR能力的获取装置的结构示意图。
为使本领域技术人员更好地理解本发明的技术方案,下面将结合附图对本发明实施方式作进一步地详细描述。
可以理解的是,此处描述的具体实施例和附图仅仅用于解释本发明,而非对本发明的限定。
可以理解的是,在不冲突的情况下,本发明中的各实施例及实施例中的各特征可相互组合。
可以理解的是,为便于描述,本发明的附图中仅示出了与本发明相关的部分,而与本发明无关的部分未在附图中示出。
可以理解的是,本发明的实施例中所涉及的每个单元、模块可仅对应一个实体结构,也可由多个实体结构组成,或者,多个单元、模块也可集成为一个实体结构。
可以理解的是,在不冲突的情况下,本发明的流程图和框图中所标注的功能、步骤可按照不同于附图中所标注的顺序发生。
可以理解的是,本发明的流程图和框图中,示出了按照本发明各实施例的系统、装置、设备、方法的可能实现的体系架构、功能和操作。其中,流程图或框图中的每个方框可代表一个单元、模块、程序段、代码,其包含用于实现规定的功能的可执行指令。而且,框图和流程图中的每个方框或方框的组合,可用实现规定的功能的基于硬件的系统实现,也可用硬件与计算机指令的组合来实现。
可以理解的是,本发明实施例中所涉及的单元、模块可通过软件的方式实现,也可通过硬件的方式来实现,例如单元、模块可位于处理器中。
实施例1:
本实施例提供一种终端VoNR能力的获取方法,应用于核心网设备,如图1所示,该方法包括:
步骤S101:向无线网设备发送第一请求消息,所述第一请求消息用于请求获取所述终端的VoNR能力。
步骤S102:接收所述无线网设备基于所述第一请求消息发送的第一响应消息,所述第一响应消息携带VoNR能力字段。
步骤S103:根据所述VoNR能力字段的值获取所述终端的VoNR能力。
在本实施例中,当当前网络为4G网络时,本发明提供的一种终端VoNR能力的获取方法可以应用于当前网络的MME,当当前网络为5G网络时,本发明提供的一种终端VoNR能力的获取方法可以应用于当前网络的AMF,其中,在有归属网络的场景下,当前网络指归属网络,在没有归属网络的场景下,当前网络指拜访网络。
可选地,所述VoNR能力字段的值为支持或不支持,若所述VoNR能力字段的值为支持则表示所述终端具有VoNR能力且处于开启状态,若所述VoNR能力字段的值为不支持则表示所述终端不具有VoNR能力或者具备VoNR能力但所述VoNR能力处于关闭状态。
在本实施例中,VoNR能力字段可以是数值型或枚举型或布尔型,用于指示终端是否支持VoNR能力或者是否处于开启状态,比如,当
VoNR能力字段是数值型时,可以用0代表支持,即表示终端具有VoNR能力且处于开启状态,用1代表不支持,即表示终端不具有VoNR能力或者具备VoNR能力但VoNR能力处于关闭状态;相应地,当VoNR能力字段是枚举型时,可以用supported代表支持,用not supported代表不支持,当VoNR能力字段是布尔型时,可以用true代表支持,用false代表不支持。
可选地,所述核心网设备为移动性管理实体MME,所述向无线网设备发送第一请求消息,具体包括:
向所述无线网设备发送携带有VoNR能力字段的用户终端设备UE无线能力匹配请求消息(UE RADIO CAPABILITY MATCH REQUEST);
所述接收所述无线网设备基于所述第一请求消息发送的第一响应消息,具体包括:
接收所述无线网设备基于所述UE无线能力匹配请求消息发送的携带有所述VoNR能力字段的UE无线能力匹配响应消息(UE RADIO CAPABILITY MATCH RESPONSE)。
在本实施例中,若当前网络为4G网络,为了得到终端的VoNR能力,可以在核心网设备(MME)向无线网设备(eNB)发送的UE无线能力匹配请求消息以及eNB向MME发送的UE无线能力匹配响应消息中新增VoNR(Voice over NR)能力字段,需要说明的是,在现有流程中,UE无线能力匹配请求消息以及UE无线能力匹配响应消息中并没有VoNR能力字段,本实施例为了让核心网提前识别终端能力且降低处理时延,在相应消息中增加VoNR(Voice over NR)能力字段,该VoNR能力字段的描述可以如表1和表2所示:
表1:UE RADIO CAPABILITY MATCH REQUEST中VoNR能力字段描述
表2:UE RADIO CAPABILITY MATCH RESPONSE中VoNR能力字段描述
可选地,所述核心网设备为接入及移动性管理功能AMF,所述向无
线网设备发送第一请求消息,具体包括:
向所述无线网设备发送携带有VoNR能力字段的UE无线能力检查请求消息(UE RADIO CAPABILITY CHECK REQUEST);
所述接收所述无线网设备基于所述第一请求消息发送的第一响应消息,具体包括:
接收所述无线网设备基于所述UE无线能力检查请求消息发送的携带有所述VoNR能力字段的UE无线能力检查响应消息(UE RADIO CAPABILITY CHECK RESPONSE)。
在本实施例中,若当前网络为5G网络,为了得到终端的VoNR能力,可以在核心网设备(AMF)向无线网设备(gNB)发送的UE无线能力检查请求消息以及gNB向AMF发送的UE无线能力检查响应消息中携带VoNR(Voice over NR)能力字段,需要说明的是,在现有流程中,UE无线能力检查请求消息以及UE无线能力检查响应消息中并没有VoNR能力字段,本实施例为了让核心网提前识别终端能力且降低处理时延,在相应消息中增加VoNR(Voice over NR)能力字段,该VoNR能力字段的描述可以如表3和表4所示:
表3:UE RADIO CAPABILITY CHECK REQUEST中VoNR能力字段描述
表4:UE RADIO CAPABILITY CHECK RESPONSE中VoNR能力字段描述
可选地,所述向无线网设备发送第一请求消息,具体包括:
判断所述终端是否签约了核心网漫游业务,若是,则向所述无线网设备发送第一请求消息。
在本实施例中,当终端附着/注册到归属网络/拜访网络的核心网设备时,无线网设备获取终端的注册信息以及除VoNR能力之外的其他能力信息并发送给核心网设备;核心网设备发现终端用户签约了核心网漫游业务后,向无线网设备发送第一请求消息以获取终端的VoNR能力,若核心网设备发现终端用户未签约核心网漫游业务,也可以按照正常流
程进行注册或移动性更新等。
需要说明的是,在对现有技术的研究和实践过程中,发明人发现:在5G核心网漫游场景下,由于现有的EPLMN列表的设置方法不能针对终端以及拜访网络的VoNR能力、EPS FB(EPS Fallback,演进分组电路域回落)能力有区分性的进行设置,容易导致终端移动到拜访网络后无法使用语音业务,或者当终端在拜访网络下无法使用语音业务时,无法主动返回归属网络的情形,严重影响了用户体验,而核心网如何获取终端的VoNR能力,这对于需要进行核心网漫游的终端来说至关重要,若核心网无法提前识别终端的VoNR能力,容易导致对终端的漫游行为进行误判的情形,因此,本实施例通过在无线网络和核心网络的消息交互中携带VoNR能力字段,并根据核心网漫游业务的签约状态动态地向无线网设备索取VoNR能力,可以避免对终端的漫游行为产生误判的情形。
可选地,所述向无线网设备发送第一请求消息,具体包括:
当检测到所述终端对应的核心网漫游业务的签约状态从未签约状态变更为已签约状态时,向所述无线网设备发送第一请求消息。
在本实施例中,当核心网设备检测到终端的核心网漫游业务的签约信息发生变化时,向无线网设备发送第一请求消息以索取终端的VoNR能力,以使核心网设备能够根据终端以及拜访网络的VoNR能力、EPS FB能力对EPLMN列表有区分性的进行设置。
在一个具体的实施例中,核心网设备为4G网络的MME,无线网设备为4G网络的eNB,终端为5G终端。5G终端开机选网,优先选择HPLMN(Home Public Land Mobile Network,本地公用陆地移动网络)所在的频点进行登录;5G终端搜索到4G信号,随机接入成功后,向4G核心网的MME发起attach request(附着请求),其中携带IMSI(International Mobile Subscriber Identity,国际移动用户识别码)、IMEI(International Mobile Equipment Identity,国际移动设备识别码)、位置信息,如TAC(Tracking Area Code,跟踪区代码)、IMS(IP Multimedia Subsystem,多媒体子系统)语音能力(IMS PS Voice preferred,即IMS分组域语音优先,CS Voice as secondary,即电路域语音优先级第二)、
短消息能力、紧急呼叫能力、EPS FB能力等,通过NAS消息直接发送给核心网的MME;eNB向5G终端发起UE能力查询请求(UEcapabilityenquiry),向5G终端索要终端的5G能力信息,当5G终端支持VoNR时,可以通过UE能力消息中携带的VoiceoverNR中标识VoNR能力,发送给4G的eNB。4G无线网和核心网之间传递终端VoNR能力的方法如下:
(1)核心网MME收到5G终端的attach request时,检查5G终端的签约状态,发现5G终端支持核心网漫游业务,则查询该5G终端签约的核心网漫游的拜访网络相关能力信息,如,是否支持VoNR能力,是否支持EPS FB能力等;
可选地,核心网MME收到5G终端的attach request后,若发现5G终端支持核心网漫游业务,可以进一步根据终端的位置信息、和/或IMSI、和/或IMEI、和/或MSISDN判断所述终端是否满足核心网漫游条件,若满足核心网漫游条件,再查询该5G终端签约的核心网漫游的拜访网络相关能力信息,并跳转到下一步。
(2)核心网MME向eNB发送UE RADIO CAPABILITY MATCH REQUEST消息,向eNB索要5G终端的VoNR能力,或者,MME需要对所有5G终端都开启这个流程。在UE RADIO CAPABILITY MATCH REQUEST的消息体中设置了一个新的Voice over NR字段,值可以为默认值。
(3)无线网eNB收到UE RADIO CAPABILITY MATCH REQUEST消息后,解析UE无线能力,发现VoiceoverNR字段为supported时,在UE RADIO CAPABILITY MATCH RESPONSE消息中回复Voice over NR为supported并发送给MME,其中,UE RADIO CAPABILITY MATCH RESPONSE的消息体中设置了一个新的Voice over NR字段,值可以为supported或not supported,该值与UECapabilityinformation中的VoNR能力指示保持一致。
在本实施例中,MME获取到5G终端的VoNR能力后进行存储,并根据5G终端以及拜访网络的VoNR能力、EPS FB能力判断5G终端是否满足将拜访网络的漫游PLMN和归属网络的归属PLMN设置为等效的
条件,若满足,则MME下发附着接受(attach accept)消息给5G终端,不携带EPLMN list。若不满足,则MME下发附着接受(attach accept)消息给5G终端,携带EPLMN list,以将拜访网络的漫游PLMN和归属网络的归属PLMN设置为等效PLMN,其中,判断5G终端是否满足将拜访网络的漫游PLMN和归属网络的归属PLMN设置为等效的条件,具体包括以下至少之一:
a),若拜访网络支持VoNR能力、支持EPS FB能力,终端支持VoNR能力和EPS FB能力中的至少一种,则判断终端满足将拜访网络的漫游PLMN和归属网络的归属PLMN设置为等效的条件;
b),若拜访网络支持VoNR能力、支持EPS FB能力,终端不支持VoNR能力和EPS FB能力且终端为非语音类终端,则判断终端满足将拜访网络的漫游PLMN和归属网络的归属PLMN设置为等效的条件;
c),若拜访网络支持VoNR能力、但不支持EPS FB能力,终端支持VoNR能力,则判断终端满足将拜访网络的漫游PLMN和归属网络的归属PLMN设置为等效的条件;
d),若拜访网络支持VoNR能力、但不支持EPS FB能力,终端不支持VoNR能力,但支持EPS FB能力,则判断终端不满足将拜访网络的漫游PLMN和归属网络的归属PLMN设置为等效的条件;
e),若拜访网络支持VoNR能力、但不支持EPS FB能力,终端不支持VoNR能力和EPS FB能力且终端为非语音类终端,则判断终端满足将拜访网络的漫游PLMN和归属网络的归属PLMN设置为等效的条件;
f),若拜访网络不支持VoNR能力、但支持EPS FB能力,终端支持EPS FB能力,则判断终端满足将拜访网络的漫游PLMN和归属网络的归属PLMN设置为等效的条件;
g),若拜访网络不支持VoNR能力、但支持EPS FB能力,终端支持VoNR能力,但不支持EPS FB能力,则判断终端不满足将拜访网络的漫游PLMN和归属网络的归属PLMN设置为等效的条件;
h),若拜访网络不支持VoNR能力、但支持EPS FB能力,终端不支持VoNR能力和EPS FB能力且终端为非语音类终端,则判断终端满足将拜访网络的漫游PLMN和归属网络的归属PLMN设置为等效的条件;
i),若拜访网络不支持VoNR能力、不支持EPS FB能力,终端支持VoNR能力和EPS FB能力中的至少一种,则判断终端不满足将拜访网络的漫游PLMN和归属网络的归属PLMN设置为等效的条件;
j),若拜访网络不支持VoNR能力、不支持EPS FB能力,终端不支持VoNR能力和EPS FB能力且终端为非语音类终端,则判断终端满足将拜访网络的漫游PLMN和归属网络的归属PLMN设置为等效的条件。
在另一个具体的实施例中,核心网设备为5G网络的AMF,无线网设备为5G网络的gNB,终端为5G终端,5G终端开机选网,优先选择HPLMN(Home Public Land Mobile Network,本地公用陆地移动网络)所在的频点进行登录;5G终端搜索到5G信号,随机接入成功后,向5G核心网的AMF发起Registration request(注册请求),其中携带IMSI、IMEI、位置信息(TAC)、IMS语音能力(IMS PS Voice preferred,即IMS分组域语音优先,CS Voice as secondary,即电路域语音优先级第二)、短消息能力、紧急呼叫能力、EPS FB能力等,通过NAS消息直接发送给核心网的AMF;gNB向5G终端发起UE能力查询请求(UEcapabilityenquiry),向5G终端索要终端的5G能力信息,当5G终端支持VoNR时,可以通过UE能力消息中携带的VoiceoverNR中标识VoNR能力,发送给5G的gNB。5G无线网和核心网之间传递终端VoNR能力的方法如下:
(1)核心网AMF收到5G终端的Registration request时,检查5G终端的签约状态,发现5G终端支持核心网漫游业务,则查询该5G终端签约的核心网漫游的拜访网络相关能力信息,如,是否支持VoNR能力,是否支持EPS FB能力等;
可选地,核心网AMF收到5G终端的Registration request后,若发现5G终端支持核心网漫游业务,可以进一步根据终端的位置信息、和/或IMSI、和/或IMEI、和/或MSISDN判断所述终端是否满足核心网漫游条件,若满足核心网漫游条件,再查询该5G终端签约的核心网漫游的拜访网络相关能力信息,并跳转到下一步。
(2)核心网AMF向gNB发送UE RADIO CAPABILITY CHECK REQUEST消息,向gNB索要5G终端的VoNR能力,或者,AMF需要
对所有5G终端都开启这个流程。在UE RADIO CAPABILITY CHECK REQUEST的消息体中设置了一个新的Voice over NR字段,值可以为默认值。
(3)无线网gNB收到UE RADIO CAPABILITY CHECK REQUEST消息后,解析UE无线能力,发现VoiceoverNR字段为supported时,在UE RADIO CAPABILITY CHECK RESPONSE消息中回复Voice over NR为supported并发送给AMF,其中,UE RADIO CAPABILITY CHECK RESPONSE的消息体中设置了一个新的Voice over NR字段,值可以为supported或not supported,该值与UECapabilityinformation中的VoNR能力指示保持一致。
在本实施例中,AMF获取到5G终端的VoNR能力后进行存储,并根据5G终端以及拜访网络的VoNR能力、EPS FB能力判断5G终端是否满足将拜访网络的漫游PLMN和归属网络的归属PLMN设置为等效的条件,若满足,则AMF下发附着接受(attach accept)消息给5G终端,不携带EPLMN list。若不满足,则AMF下发附着接受(attach accept)消息给5G终端,携带EPLMN list,以将拜访网络的漫游PLMN和归属网络的归属PLMN设置为等效PLMN,其中,判断5G终端是否满足将拜访网络的漫游PLMN和归属网络的归属PLMN设置为等效的条件,具体包括以下至少之一:
a),若拜访网络支持VoNR能力、支持EPS FB能力,终端支持VoNR能力和EPS FB能力中的至少一种,则判断终端满足将拜访网络的漫游PLMN和归属网络的归属PLMN设置为等效的条件;
b),若拜访网络支持VoNR能力、支持EPS FB能力,终端不支持VoNR能力和EPS FB能力且终端为非语音类终端,则判断终端满足将拜访网络的漫游PLMN和归属网络的归属PLMN设置为等效的条件;
c),若拜访网络支持VoNR能力、但不支持EPS FB能力,终端支持VoNR能力,则判断终端满足将拜访网络的漫游PLMN和归属网络的归属PLMN设置为等效的条件;
d),若拜访网络支持VoNR能力、但不支持EPS FB能力,终端不支持VoNR能力,但支持EPS FB能力,则判断终端不满足将拜访网络
的漫游PLMN和归属网络的归属PLMN设置为等效的条件;
e),若拜访网络支持VoNR能力、但不支持EPS FB能力,终端不支持VoNR能力和EPS FB能力且终端为非语音类终端,则判断终端满足将拜访网络的漫游PLMN和归属网络的归属PLMN设置为等效的条件;
f),若拜访网络不支持VoNR能力、但支持EPS FB能力,终端支持EPS FB能力,则判断终端满足将拜访网络的漫游PLMN和归属网络的归属PLMN设置为等效的条件;
g),若拜访网络不支持VoNR能力、但支持EPS FB能力,终端支持VoNR能力,但不支持EPS FB能力,则判断终端不满足将拜访网络的漫游PLMN和归属网络的归属PLMN设置为等效的条件;
h),若拜访网络不支持VoNR能力、但支持EPS FB能力,终端不支持VoNR能力和EPS FB能力且终端为非语音类终端,则判断终端满足将拜访网络的漫游PLMN和归属网络的归属PLMN设置为等效的条件;
i),若拜访网络不支持VoNR能力、不支持EPS FB能力,终端支持VoNR能力和EPS FB能力中的至少一种,则判断终端不满足将拜访网络的漫游PLMN和归属网络的归属PLMN设置为等效的条件;
j),若拜访网络不支持VoNR能力、不支持EPS FB能力,终端不支持VoNR能力和EPS FB能力且终端为非语音类终端,则判断终端满足将拜访网络的漫游PLMN和归属网络的归属PLMN设置为等效的条件。
本发明提供的终端VoNR能力的获取方法、装置及可读存储介质,通过向无线网设备发送第一请求消息,所述第一请求消息用于请求获取所述终端的VoNR能力;并接收所述无线网设备基于所述第一请求消息发送的第一响应消息,所述第一响应消息携带VoNR能力字段;从而使得核心网设备能够根据所述VoNR能力字段的值获取所述终端的VoNR能力。本发明通过在无线网络和核心网络的消息交互中携带VoNR能力字段,可以让核心网提前识别终端的VoNR能力,使得核心网无需对UE能力消息进行解码,也可以得之UE的VoNR能力,避免了过多的能力读取导致的处理时延过长,解决了现有的核心网设备无法提前识别终端的VoNR能力的问题。
实施例2:
如图2所示,本实施例提供一种终端VoNR能力的获取方法,应用于无线网设备,所述方法包括:
步骤S201:接收核心网设备发送的第一请求消息,所述第一请求消息用于请求获取所述终端的VoNR能力;
步骤S202:基于所述第一请求消息向所述核心网设备发送第一响应消息,所述第一响应消息携带VoNR能力字段,以使所述核心网设备根据所述VoNR能力字段的值获取所述终端的VoNR能力。
可选地,所述VoNR能力字段的值为支持或不支持,若所述VoNR能力字段的值为支持则表示所述终端具有VoNR能力且处于开启状态,若所述VoNR能力字段的值为不支持则表示所述终端不具有VoNR能力或者具备VoNR能力但所述VoNR能力处于关闭状态。
可选地,所述基于所述第一请求消息向所述核心网设备发送第一响应消息之前,所述方法还包括:
向所述终端发送UE能力查询请求;
接收所述终端基于所述UE能力查询请求返回的UE能力消息;
所述基于所述第一请求消息向所述核心网设备发送第一响应消息,具体包括:
基于所述第一请求消息获取所述UE能力消息;
若所述UE能力消息用于指示所述终端支持VoNR能力,则向所述核心网设备发送VoNR能力字段值为支持的第一响应消息,否则,向所述核心网设备发送VoNR能力字段值为不支持的第一响应消息。
可选地,所述核心网设备为移动性管理实体MME,所述接收核心网设备发送的第一请求消息,具体包括:
接收所述MME发送的携带有VoNR能力字段的用户终端设备UE无线能力匹配请求消息;
所述基于所述第一请求消息向所述核心网设备发送第一响应消息,具体包括:
基于所述UE无线能力匹配请求消息向所述MME发送携带有所述VoNR能力字段的UE无线能力匹配响应消息。
可选地,所述核心网设备为接入及移动性管理功能AMF,所述接收核心网设备发送的第一请求消息,具体包括:
接收所述AMF发送的携带有VoNR能力字段的UE无线能力检查请求消息;
所述基于所述第一请求消息向所述核心网设备发送第一响应消息,具体包括:
基于所述UE无线能力检查请求消息向所述AMF发送携带有所述VoNR能力字段的UE无线能力检查响应消息。
实施例3:
如图3所示,本实施例提供一种终端VoNR能力的获取装置,设置于核心网设备,用于执行上述实施例1中的终端VoNR能力的获取方法,所述装置包括:
请求发送模块11,用于向无线网设备发送第一请求消息,所述第一请求消息用于请求获取所述终端的VoNR能力;
响应接收模块12,与所述请求发送模块11连接,用于接收所述无线网设备基于所述第一请求消息发送的第一响应消息,所述第一响应消息携带VoNR能力字段;
能力获取模块13,与所述响应接收模块12连接,用于根据所述VoNR能力字段的值获取所述终端的VoNR能力。
可选地,所述VoNR能力字段的值为支持或不支持,若所述VoNR能力字段的值为支持则表示所述终端具有VoNR能力且处于开启状态,若所述VoNR能力字段的值为不支持则表示所述终端不具有VoNR能力或者具备VoNR能力但所述VoNR能力处于关闭状态。
可选地,所述核心网设备为移动性管理实体MME,所述请求发送模块11具体用于:
向所述无线网设备发送携带有VoNR能力字段的用户终端设备UE无线能力匹配请求消息;
所述响应接收模块12具体用于:
接收所述无线网设备基于所述UE无线能力匹配请求消息发送的携
带有所述VoNR能力字段的UE无线能力匹配响应消息。
可选地,所述核心网设备为接入及移动性管理功能AMF,所述请求发送模块11具体用于:
向所述无线网设备发送携带有VoNR能力字段的UE无线能力检查请求消息;
所述响应接收模块12具体用于:
接收所述无线网设备基于所述UE无线能力检查请求消息发送的携带有所述VoNR能力字段的UE无线能力检查响应消息。
可选地,所述请求发送模块11具体用于:
判断所述终端是否签约了核心网漫游业务,若是,则向所述无线网设备发送第一请求消息。
可选地,所述请求发送模块11具体用于:
当检测到所述终端对应的核心网漫游业务的签约状态从未签约状态变更为已签约状态时,向所述无线网设备发送第一请求消息。
实施例4:
如图4所示,本实施例提供一种终端VoNR能力的获取装置,设置于无线网设备,用于执行上述实施例2中的终端VoNR能力的获取方法,所述装置包括:
请求接收模块21,用于接收核心网设备发送的第一请求消息,所述第一请求消息用于请求获取所述终端的VoNR能力;
响应发送模块22,与所述请求接收模块21连接,用于基于所述第一请求消息向所述核心网设备发送第一响应消息,所述第一响应消息携带VoNR能力字段,以使所述核心网设备根据所述VoNR能力字段的值获取所述终端的VoNR能力。
可选地,所述VoNR能力字段的值为支持或不支持,若所述VoNR能力字段的值为支持则表示所述终端具有VoNR能力且处于开启状态,若所述VoNR能力字段的值为不支持则表示所述终端不具有VoNR能力或者具备VoNR能力但所述VoNR能力处于关闭状态。
可选地,所述装置还包括:
第一发送模块,用于向所述终端发送UE能力查询请求;
第一接收模块,用于接收所述终端基于所述UE能力查询请求返回的UE能力消息;
所述响应发送模块22具体包括:
第一获取单元,用于基于所述第一请求消息获取所述UE能力消息;
第一发送单元,用于若所述UE能力消息用于指示所述终端支持VoNR能力,则向所述核心网设备发送VoNR能力字段值为支持的第一响应消息,否则,向所述核心网设备发送VoNR能力字段值为不支持的第一响应消息。
可选地,所述核心网设备为移动性管理实体MME,所述请求接收模块21具体用于:
接收所述MME发送的携带有VoNR能力字段的用户终端设备UE无线能力匹配请求消息;
所述响应发送模块22具体用于:
基于所述UE无线能力匹配请求消息向所述MME发送携带有所述VoNR能力字段的UE无线能力匹配响应消息。
可选地,所述核心网设备为接入及移动性管理功能AMF,所述请求接收模块21具体用于:
接收所述AMF发送的携带有VoNR能力字段的UE无线能力检查请求消息;
所述响应发送模块22具体用于:
基于所述UE无线能力检查请求消息向所述AMF发送携带有所述VoNR能力字段的UE无线能力检查响应消息。
实施例5:
参考图5,本实施例提供一种终端VoNR能力的获取装置,包括存储器31和处理器32,存储器31中存储有计算机程序,处理器32被设置为运行所述计算机程序以执行实施例1或实施例2中的终端VoNR能力的获取方法。
其中,存储器31与处理器32连接,存储器31可采用闪存或只读存
储器或其他存储器,处理器32可采用中央处理器或单片机。
实施例6:
本实施例提供一种计算机可读存储介质,所述计算机可读存储介质上存储有计算机程序,所述计算机程序被处理器执行时实现上述实施例1或实施例2中的终端VoNR能力的获取方法。
该计算机可读存储介质包括在用于存储信息(诸如计算机可读指令、数据结构、计算机程序模块或其他数据)的任何方法或技术中实施的易失性或非易失性、可移除或不可移除的介质。计算机可读存储介质包括但不限于RAM(Random Access Memory,随机存取存储器),ROM(Read-Only Memory,只读存储器),EEPROM(Electrically Erasable Programmable read only memory,带电可擦可编程只读存储器)、闪存或其他存储器技术、CD-ROM(Compact Disc Read-Only Memory,光盘只读存储器),数字多功能盘(DVD)或其他光盘存储、磁盒、磁带、磁盘存储或其他磁存储装置、或者可以用于存储期望的信息并且可以被计算机访问的任何其他的介质。
综上所述,本发明实施例提供的终端VoNR能力的获取方法、装置及可读存储介质,通过向无线网设备发送第一请求消息,所述第一请求消息用于请求获取所述终端的VoNR能力;并接收所述无线网设备基于所述第一请求消息发送的第一响应消息,所述第一响应消息携带VoNR能力字段;从而使得核心网设备能够根据所述VoNR能力字段的值获取所述终端的VoNR能力。本发明通过在无线网络和核心网络的消息交互中携带VoNR能力字段,可以让核心网提前识别终端的VoNR能力,使得核心网无需对UE能力消息进行解码,也可以得之UE的VoNR能力,避免了过多的能力读取导致的处理时延过长,解决了现有的核心网设备无法提前识别终端的VoNR能力的问题。
可以理解的是,以上实施方式仅仅是为了说明本发明的原理而采用的示例性实施方式,然而本发明并不局限于此。对于本领域内的普通技术人员而言,在不脱离本发明的精神和实质的情况下,可以做出各种变型和改进,这些变型和改进也视为本发明的保护范围。
Claims (15)
- 一种终端新空口语音VoNR能力的获取方法,其特征在于,应用于核心网设备,所述方法包括:向无线网设备发送第一请求消息,所述第一请求消息用于请求获取所述终端的VoNR能力;接收所述无线网设备基于所述第一请求消息发送的第一响应消息,所述第一响应消息携带VoNR能力字段;根据所述VoNR能力字段的值获取所述终端的VoNR能力。
- 根据权利要求1所述的方法,其特征在于,所述VoNR能力字段的值为支持或不支持,若所述VoNR能力字段的值为支持则表示所述终端具有VoNR能力且处于开启状态,若所述VoNR能力字段的值为不支持则表示所述终端不具有VoNR能力或者具备VoNR能力但所述VoNR能力处于关闭状态。
- 根据权利要求2所述的方法,其特征在于,所述核心网设备为移动性管理实体MME,所述向无线网设备发送第一请求消息,具体包括:向所述无线网设备发送携带有VoNR能力字段的用户终端设备UE无线能力匹配请求消息;所述接收所述无线网设备基于所述第一请求消息发送的第一响应消息,具体包括:接收所述无线网设备基于所述UE无线能力匹配请求消息发送的携带有所述VoNR能力字段的UE无线能力匹配响应消息。
- 根据权利要求2所述的方法,其特征在于,所述核心网设备为接入及移动性管理功能AMF,所述向无线网设备发送第一请求消息,具体包括:向所述无线网设备发送携带有VoNR能力字段的UE无线能力检查请求消息;所述接收所述无线网设备基于所述第一请求消息发送的第一响应消息,具体包括:接收所述无线网设备基于所述UE无线能力检查请求消息发送的携带有所述VoNR能力字段的UE无线能力检查响应消息。
- 根据权利要求1所述的方法,其特征在于,所述向无线网设备发送第一请求消息,具体包括:判断所述终端是否签约了核心网漫游业务,若是,则向所述无线网设备发送第一请求消息。
- 根据权利要求1所述的方法,其特征在于,所述向无线网设备发送第一请求消息,具体包括:当检测到所述终端对应的核心网漫游业务的签约状态从未签约状态变更为已签约状态时,向所述无线网设备发送第一请求消息。
- 一种终端新空口语音VoNR能力的获取方法,其特征在于,应用于无线网设备,所述方法包括:接收核心网设备发送的第一请求消息,所述第一请求消息用于请求获取所述终端的VoNR能力;基于所述第一请求消息向所述核心网设备发送第一响应消息,所述第一响应消息携带VoNR能力字段,以使所述核心网设备根据所述VoNR能力字段的值获取所述终端的VoNR能力。
- 根据权利要求7所述的方法,其特征在于,所述VoNR能力字段的值为支持或不支持,若所述VoNR能力字段的值为支持则表示所述终端具有VoNR能力且处于开启状态,若所述VoNR能力字段的值为不支持则表示所述终端不具有VoNR能力或者具备VoNR能力但所述VoNR能力处于关闭状态。
- 根据权利要求8所述的方法,其特征在于,所述基于所述第一请 求消息向所述核心网设备发送第一响应消息之前,所述方法还包括:向所述终端发送UE能力查询请求;接收所述终端基于所述UE能力查询请求返回的UE能力消息;所述基于所述第一请求消息向所述核心网设备发送第一响应消息,具体包括:基于所述第一请求消息获取所述UE能力消息;若所述UE能力消息用于指示所述终端支持VoNR能力,则向所述核心网设备发送VoNR能力字段值为支持的第一响应消息,否则,向所述核心网设备发送VoNR能力字段值为不支持的第一响应消息。
- 根据权利要求8所述的方法,其特征在于,所述核心网设备为移动性管理实体MME,所述接收核心网设备发送的第一请求消息,具体包括:接收所述MME发送的携带有VoNR能力字段的用户终端设备UE无线能力匹配请求消息;所述基于所述第一请求消息向所述核心网设备发送第一响应消息,具体包括:基于所述UE无线能力匹配请求消息向所述MME发送携带有所述VoNR能力字段的UE无线能力匹配响应消息。
- 根据权利要求8所述的方法,其特征在于,所述核心网设备为接入及移动性管理功能AMF,所述接收核心网设备发送的第一请求消息,具体包括:接收所述AMF发送的携带有VoNR能力字段的UE无线能力检查请求消息;所述基于所述第一请求消息向所述核心网设备发送第一响应消息,具体包括:基于所述UE无线能力检查请求消息向所述AMF发送携带有所述VoNR能力字段的UE无线能力检查响应消息。
- 一种终端新空口语音VoNR能力的获取装置,其特征在于,设置于核心网设备,所述装置包括:请求发送模块,用于向无线网设备发送第一请求消息,所述第一请求消息用于请求获取所述终端的VoNR能力;响应接收模块,与所述请求发送模块连接,用于接收所述无线网设备基于所述第一请求消息发送的第一响应消息,所述第一响应消息携带VoNR能力字段;能力获取模块,与所述响应接收模块连接,用于根据所述VoNR能力字段的值获取所述终端的VoNR能力。
- 一种终端新空口语音VoNR能力的获取装置,其特征在于,设置于无线网设备,所述装置包括:请求接收模块,用于接收核心网设备发送的第一请求消息,所述第一请求消息用于请求获取所述终端的VoNR能力;响应发送模块,与所述请求接收模块连接,用于基于所述第一请求消息向所述核心网设备发送第一响应消息,所述第一响应消息携带VoNR能力字段,以使所述核心网设备根据所述VoNR能力字段的值获取所述终端的VoNR能力。
- 一种终端新空口语音VoNR能力的获取装置,其特征在于,包括存储器和处理器,所述存储器中存储有计算机程序,所述处理器被设置为运行所述计算机程序以实现如权利要求1-6中任一项所述的终端VoNR能力的获取方法,或实现如权利要求7-11中任一项所述的终端VoNR能力的获取方法。
- 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质上存储有计算机程序,所述计算机程序被处理器执行时实现如权利要求1-6中任一项所述的终端VoNR能力的获取方法,或实现如权利要求7-11中任一项所述的终端VoNR能力的获取方法。
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CN114615635A (zh) * | 2022-04-08 | 2022-06-10 | 中国电信股份有限公司 | 基于异网漫游的语音服务方法及装置 |
CN115134892A (zh) * | 2022-08-30 | 2022-09-30 | 荣耀终端有限公司 | 基于异网漫游的接入方法和装置 |
CN115802335A (zh) * | 2022-11-01 | 2023-03-14 | 中国联合网络通信集团有限公司 | 一种终端VoNR能力的获取方法、装置及可读存储介质 |
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