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WO2019037777A1 - 确定ue语音策略的方法、设备及存储介质 - Google Patents

确定ue语音策略的方法、设备及存储介质 Download PDF

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Publication number
WO2019037777A1
WO2019037777A1 PCT/CN2018/102202 CN2018102202W WO2019037777A1 WO 2019037777 A1 WO2019037777 A1 WO 2019037777A1 CN 2018102202 W CN2018102202 W CN 2018102202W WO 2019037777 A1 WO2019037777 A1 WO 2019037777A1
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WO
WIPO (PCT)
Prior art keywords
voice
policy
information
user terminal
network
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Application number
PCT/CN2018/102202
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English (en)
French (fr)
Inventor
涂小勇
叶敏雅
吴中华
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中兴通讯股份有限公司
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2019037777A1 publication Critical patent/WO2019037777A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/04—Registration at HLR or HSS [Home Subscriber Server]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
    • H04L47/2425—Traffic characterised by specific attributes, e.g. priority or QoS for supporting services specification, e.g. SLA
    • 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
    • H04L65/1073—Registration or de-registration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/08—Mobility data transfer
    • H04W8/16—Mobility data transfer selectively restricting mobility data tracking

Definitions

  • the present application relates to the field of mobile communications, for example, to a method, device, and storage medium for determining a UE voice policy.
  • 5G fifth-generation mobile communication technology
  • 5G fifth-generation mobile communication technology
  • the 5G network architecture is based on a service-based architecture.
  • the 5G standard protocol does not define how to manage the voice policy of the user equipment (User Equipment, UE) in the 5G network.
  • the present application provides a method, device, and storage medium for determining a UE voice policy, for determining a voice policy of a user terminal in a 5G network.
  • An embodiment of the present application provides a method for determining a voice policy of a UE, where the method includes: acquiring voice decision parameter information of a user terminal, voice capability information of a network, and local policy information of an operator; The voice decision parameter information of the terminal, the voice capability information of the network, and the local policy information of the operator determine a voice policy provided by the user terminal.
  • An embodiment of the present application provides a policy control function entity device, including a memory and a processor; the memory stores a computer program for determining a UE voice policy, and the processor executes the computer program to implement the method as described above. step.
  • a computer readable storage medium in the present application stores a computer program for determining a UE voice policy, the computer program being executed by at least one processor to implement the steps of the method as described above.
  • FIG. 1 is a flowchart of a method for determining a UE voice policy according to an embodiment of the present application
  • FIG. 2 is a flowchart of determining a UE voice policy in an initial registration process in an embodiment of the present application
  • FIG. 3 is a flowchart of determining a UE voice policy in a registration process initiated by a location update in the embodiment of the present application
  • FIG. 4 is a flowchart of determining a UE voice policy in a registration process initiated by an operator local policy update in the embodiment of the present application;
  • FIG. 5 is a schematic structural diagram of a policy control function entity device in an embodiment of the present application.
  • the present application provides a method, device, and storage medium for determining a UE voice policy.
  • the present application is described in detail below with reference to the accompanying drawings and embodiments.
  • an embodiment of the present application provides a method for determining a UE voice policy, where the method is used for a policy control function entity, and includes steps S101 and S102.
  • the voice decision parameter information of the user terminal, the voice capability information of the network, and the local policy information of the operator are obtained.
  • a voice policy provided for the user terminal is determined according to the voice decision parameter information of the user terminal, the voice capability information of the network, and the local policy information of the operator.
  • the embodiment of the present application obtains the voice decision parameter information of the user terminal, the voice capability information of the network, and the local policy information of the operator, and according to the voice decision parameter information of the user terminal, the voice capability information of the network, and the operation.
  • the local policy information of the quotient determines the voice policy provided for the user terminal, thereby realizing the voice policy of the user terminal in the 5G network.
  • the UE voice policy is selected by the policy control function entity to facilitate the operator to manage the voice policy, thereby simplifying network management.
  • UE User equipment
  • NAS non-access stratum
  • AMF Access and Mobility Management function
  • the user terminal may be simply referred to as a user.
  • the Radio Access Network is responsible for air interface resource scheduling and air interface connection management of the terminal accessing the network.
  • the Access and Mobility Management Function (AMF) entity belongs to the core network control plane entity.
  • a unified data management (UDM) entity belongs to the core network control plane entity and belongs to the user server to permanently store user subscription data.
  • the Policy Control Functionality (PCF) entity belongs to the core network control plane entity.
  • 5G voice solution Voice over 5G, Vo5G
  • CSFB Circuit Switched Fall Back
  • the 5G voice solution provides high-definition voice services through the Internet Protocol (IP) Multimedia Subsystem (IMS) domain in the 5G network.
  • IP Internet Protocol
  • IMS Multimedia Subsystem
  • the circuit domain fallback (CSFB) only provides data services. When the UE initiates or receives a voice call, it falls back to the Circuit Switching (CS) domain for processing.
  • CS Circuit Switching
  • the acquiring the voice decision parameter information of the user terminal includes: receiving a voice policy request of the access and mobility management function entity; and acquiring voice decision parameter information of the user terminal from the voice policy request.
  • the voice decision parameter information of the user terminal includes voice capability information of the user terminal and access location information of the user terminal.
  • the voice capability information of the user terminal includes a usage setting of the user terminal and a voice priority policy.
  • the access location information of the user terminal includes at least one of the following: a user terminal access tracking area, and a wireless base station identifier.
  • the determining, according to the voice decision parameter information of the user terminal, the voice capability information of the network, and the local policy information of the operator, the voice policy provided by the user terminal further includes: Acquiring the subscription information of the user terminal from the unified data management function entity; determining, according to the subscription information, the voice decision parameter information of the user terminal, the voice capability information of the network, and the local policy information of the operator, The voice policy provided by the user terminal.
  • the voice policy includes one of the following: providing only circuit-switched voice service; corresponding to Vo5G; providing only IP multimedia subsystem voice service; corresponding to CSFB; circuit-switched voice service as preferred, IP multimedia subsystem
  • the voice service is the second choice; and the IP multimedia subsystem voice service is preferred, and the circuit switched voice service is the second choice.
  • the method further includes: updating the voice policy when at least one of voice decision parameter information of the user terminal, voice capability information of the network, and local policy information of the operator changes.
  • the voice policy is updated in the same way as the determination.
  • the method further comprises: transmitting a message to the access and mobility management function entity, the message carrying information of the voice policy; the message comprising a policy response message and a policy change notification message.
  • the voice policy of the UE is uniformly managed by the PCF.
  • the AMF After receiving the registration request message of the UE, the AMF sends a request message for obtaining the access and mobility management policy to the PCF, and carries the voice decision parameter information such as the voice capability information of the UE and the current access location information of the UE, PCF.
  • the decision network provides a voice mode for the UE according to information such as the voice capability of the UE and the current access location information of the UE, the voice capability of the network, and the local policy of the operator.
  • the PCF when the voice capability of the network and the local policy of the operator change, the PCF identifies the affected user and notifies the AMF to update the voice policy of the UE.
  • the voice capability information of the UE may include a voice center, a data center, and a voice domain preference voice priority policy.
  • a voice center may include a voice center, a data center, and a voice domain preference voice priority policy.
  • the current access location information of the UE may be a Tracking Area (TA) currently accessed by the UE, a radio base station identifier, or a combination thereof.
  • TA Tracking Area
  • the PCF is a voice policy for the UE to decide, and may be a voice domain preference. For example, only the CS voice service is provided, and only the IMS voice service is provided.
  • the CS voice service is the preferred IMS voice service as the second choice, and the IMS voice service is the first choice.
  • the CS voice service is the second choice.
  • the PCF may obtain partial subscription data of the user from the UDM as a reference.
  • the network side determines the manner of providing voice for the UE according to the voice capability of the UE, the voice capability of the network, and the local policy of the operator, and can conveniently adapt the voice capability of the network. Changes in the operator's local strategy, simplifying network management.
  • the embodiment of the present application is used to determine a UE voice policy in an initial registration process, and includes steps 201 to 211.
  • step 201 the UE initiates a registration process and sends a registration request message, where the request message carries information such as the UE's usage setting and the voice domain preference.
  • step 202 the RAN forwards the registration request message to the AMF, where the message carries the current tracking area (Current TA) of the user's current access location information.
  • Current TA current tracking area
  • step 203 after receiving the registration request message sent by the UE through the RAN, the AMF performs normal processing.
  • the AMF After the AMF obtains the subscription information of the user, the AMF sends a message to the PCF to obtain the voice policy request message, and the message carries information such as the UE's usage setting, the voice domain preference, and the Current TA.
  • step 205 the PCF sends a query user subscription data request message to the UDR.
  • step 206 the UDR returns a query user subscription data response message to the PCF, carrying the user's subscription information.
  • the PCF determines the voice policy of the UE according to the UE's usage setting, the voice domain preference, the Current TA, the voice capability of the network, and the operator's local policy, and the subscription information of the UE.
  • the PCF returns an access and mobility management function entity policy response message to the AMF, and carries information such as the voice policy of the determined UE.
  • step 209 the AMF continues to process the registration request process.
  • the AMF sends a registration accept message to the UE, and carries information such as a voice policy of the UE determined by the PCF.
  • step 211 the AMF continues to process the registration request process.
  • the embodiment of the present application determines the UE voice policy in the registration process initiated by the location update, and includes steps 301 to 313.
  • step 301 the UE registers with the network.
  • step 302 due to the move, a registration process initiated by the location update trigger is required.
  • step 303 the UE sends a registration request message, where the request message carries information such as the UE's usage setting and the voice domain preference.
  • step 304 the RAN forwards the registration request message to the AMF, where the message carries the current location information Current TA of the user.
  • step 305 after receiving the registration request message sent by the UE through the RAN, the AMF performs normal processing.
  • step 306 after determining that the user location is changed, the AMF sends a Get Access and Mobile Management Policy Request message to the PCF, where the message carries information such as the UE's usage setting, Voice domain preference, and Current TA.
  • step 307 the PCF sends a query user subscription data request message to the UDR.
  • step 308 the UDR returns a query user subscription data response message to the PCF, carrying the user's subscription information.
  • the PCF determines the voice policy of the UE according to the UE's usage setting, the voice domain preference, the Current TA, the voice capability of the network, and the operator's local policy, and the subscription information of the UE.
  • the PCF returns an access and mobility management policy response message to the AMF, and carries information such as the voice policy of the determined UE.
  • step 311 the AMF continues to process the registration request process.
  • the AMF sends a registration accept message to the UE, and carries information such as a voice policy of the UE determined by the PCF.
  • step 313 the AMF continues to process the registration request process.
  • the embodiment of the present application is used to determine a UE voice policy during a change of an operator local policy, and includes steps 401 to 408.
  • step 401 the UE registers with the network.
  • step 402 the operator's local policy changes due to a change in the network status, and the operator local policy data on the PCF changes.
  • step 403 the PCF scans the user, and the PCF re-decises the voice policy of the UE according to the new operator local policy for the UE affected by the operator's local policy change.
  • step 404 the PCF sends a user policy change notification message to notify the re-decision UE voice policy of the AMF affected UE, and the message carries the re-decision UE voice policy.
  • step 405 the AMF returns a User Policy Change Notification Confirmation message to the PCF.
  • step 406 the AMF sends a user information update notification message to the UE, carrying the re-decision UE voice policy.
  • step 407 the UE returns a User Information Update Confirm message to the AMF.
  • the UE may trigger a new procedure according to the re-decision UE voice policy.
  • the embodiment of the present application provides a policy control function entity device, where the device includes a memory and a processor, where the memory stores a computer program for determining a UE voice policy, and the processor is configured.
  • the method as described in any one of the first to fourth embodiments is implemented.
  • the method includes: acquiring voice decision parameter information of the user terminal, voice capability information of the network, and local policy information of the operator; and determining, according to the voice decision parameter information of the user terminal, the voice capability of the network The information and the local policy information of the operator determine a voice policy provided for the user terminal.
  • the acquiring the voice decision parameter information of the user terminal includes: receiving a voice policy request of the access and mobility management function entity; and acquiring voice decision parameter information of the user terminal from the voice policy request.
  • the voice decision parameter information of the user terminal includes voice capability information of the user terminal and access location information of the user terminal.
  • the voice capability information of the user terminal includes a usage setting of the user terminal and a voice priority policy.
  • the access location information of the user terminal includes at least one of the following: a user terminal access tracking area and a wireless base station identifier.
  • the determining, according to the voice decision parameter information of the user terminal, the voice capability information of the network, and the local policy information of the operator, the voice policy provided by the user terminal further includes: Acquiring the subscription information of the user terminal from the unified data management function entity; determining, according to the subscription information, the voice decision parameter information of the user terminal, the voice capability information of the network, and the local policy information of the operator, The voice policy provided by the user terminal.
  • the voice policy includes any one of: providing only circuit-switched voice service; providing only IP multimedia subsystem voice service; circuit-switched voice service as a preferred, IP multimedia subsystem voice service as a second choice; IP The multimedia subsystem voice service is preferred, and the circuit switched voice service is the second choice.
  • the method further includes: updating the voice when one or more pieces of information in the voice decision parameter information of the user terminal, the voice capability information of the network, and the local policy information of the operator are changed. Strategy.
  • the method further comprises: transmitting a message to the access and mobility management function entity, the message carrying information of the voice policy; the message comprising a policy response message and a policy change notification message.
  • the embodiment of the present application provides a computer readable storage medium, wherein the storage medium stores a computer program for determining a UE voice policy, where the computer program is executed by at least one processor to implement the implementation as in Embodiment 1 to The method of any of the methods of any of the preceding claims.
  • the computer readable storage medium in the embodiment of the present application may be a random access memory (RAM), a flash memory, a read only memory (ROM), and a programmable programmable read only memory (Electrically Programmable Read-Only).
  • RAM random access memory
  • ROM read only memory
  • EEPROM Electrically Erasable Programmable Read-Only Memory
  • a storage medium can be coupled to the processor to enable the processor to read information from, and write information to, the storage medium; or the storage medium can be an integral part of the processor.
  • the processor and the storage medium may be located in an application specific integrated circuit.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

本申请公开了一种确定用户终端UE语音策略的方法、设备及存储介质，所述方法用于策略控制功能实体，包括：获取用户终端的语音决策参数信息、网络的语音能力信息和运营商的本地策略信息；根据所述用户终端的语音决策参数信息、所述网络的语音能力信息和所述运营商的本地策略信息，确定为所述用户终端提供的语音策略。

Description

确定UE语音策略的方法、设备及存储介质
本申请要求在2017年08月25日提交中国专利局、申请号为201710741354.5的中国专利申请的优先权，该申请的全部内容通过引用结合在本申请中。
技术领域
本申请涉及移动通讯领域，例如涉及一种确定UE语音策略的方法、设备及存储介质。
背景技术
移动通信目前已经发展到第五代移动通信技术(5th-Generation，5G)阶段。5G的网络架构和前几代相比，主要特点是基于服务化的架构。但5G标准协议中未定义在5G网络中如何管理用户终端(User Equipment，UE)的语音策略。
发明内容
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
本申请提供一种确定UE语音策略的方法、设备及存储介质，用于在5G网络中确定出用户终端的语音策略。
本申请一实施例提供一种确定UE语音策略的方法，用于策略控制功能实体，包括：获取用户终端的语音决策参数信息、网络的语音能力信息和运营商的本地策略信息；根据所述用户终端的语音决策参数信息、所述网络的语音能力信息和所述运营商的本地策略信息，确定为所述用户终端提供的语音策略。
本申请一实施例提供一种策略控制功能实体设备，包括存储器和处理器；所述存储器存储有确定UE语音策略的计算机程序，所述处理器执行所述计算机程序，以实现如上所述方法的步骤。
本申请中的一种计算机可读存储介质，存储有确定UE语音策略的计算机程序，所述计算机程序被至少一个处理器执行时，以实现如上所述方法的步骤。
在阅读并理解了附图和详细描述后，可以明白其他方面。
附图说明
图1是本申请实施例中一种确定UE语音策略的方法的流程图；
图2是本申请实施例中初始注册过程中确定UE语音策略的流程图；
图3是本申请实施例中由于位置更新发起的注册过程中确定UE语音策略的流程图；
图4是本申请实施例中运营商本地策略更新发起的注册过程中确定UE语音策略的流程图；
图5是本申请实施例中一种策略控制功能实体设备的结构示意图。
具体实施方式
本申请提供了一种确定UE语音策略的方法、设备及存储介质，以下结合附图以及实施例，对本申请进行详细说明。
实施例一
如图1所示，本申请实施例提供一种确定UE语音策略的方法，所述方法用于策略控制功能实体，包括步骤S101和步骤S102。
在S101中，获取用户终端的语音决策参数信息、网络的语音能力信息和运营商的本地策略信息。
在S102中，根据所述用户终端的语音决策参数信息、所述网络的语音能力信息和所述运营商的本地策略信息，确定为所述用户终端提供的语音策略。
本申请实施例通过获取用户终端的语音决策参数信息、网络的语音能力信息和运营商的本地策略信息，并根据所述用户终端的语音决策参数信息、所述网络的语音能力信息和所述运营商的本地策略信息，确定为所述用户终端提供的语音策略，从而实现了在5G网络中确定出用户终端的语音策略。
本申请实施例通过统一在策略控制功能实体选择UE语音策略，便于运营商管理语音策略，从而简化网络管理。
为了使本申请实施例更加清楚，简述5G网络架构中各网元的功能。
用户终端(User Equipment，UE)，主要通过无线空口接入5G网络并获得服务，终端通过空口和基站交互信息，通过非接入层信令(Non-Access Stratum，NAS)和核心网的接入和移动管理功能(Access and Mobility Management function，AMF)实体交互信息。在本申请实施例中用户终端可以简称为用户。
无线接入网(Radio Access Network，RAN)，负责终端接入网络的空口资源调度和以及空口的连接管理。
接入和移动管理功能(Access and Mobility Management function，AMF)实体，属于核心网控制面实体。
统一数据管理功能(Unified Data Management，UDM)实体，属于核心网控制面实体，归属用户服务器，永久存储用户签约数据。
策略控制功能(Policy Control Functionality，PCF)实体，属于核心网控制面实体。
在5G网络中，对语音通话的支持，主要有两种方式：5G话音方案(Voice over 5G，Vo5G)和电路域回落(Circuit Switched Fall Back，CSFB)。
5G话音方案(Vo5G)，通过5G网络中的互联网协议(Internet Protocol，IP)多媒体子系统(IP Multimedia Subsystem，IMS)域提供高清晰的语音服务。IMS由于支持多种接入和丰富的多媒体业务，成为全IP时代的核心网标准架构。
电路域回落(CSFB)，只提供数据业务，当UE发起或者接收语音呼叫时，回落到电路交换(Circuit Switching，CS)域进行处理。
在上述实施例的基础上，提出上述实施例的变型。
在一实施例中，所述获取用户终端的语音决策参数信息，包括：接收接入和移动管理功能实体的语音策略请求；从所述语音策略请求中获取所述用户终端的语音决策参数信息。
其中，所述用户终端的语音决策参数信息包括用户终端的语音能力信息和用户终端的接入位置信息。
在一实施例中，所述用户终端的语音能力信息包括用户终端的使用设置和语音优先策略。
所述用户终端的接入位置信息包括以下至少之一：用户终端接入跟踪区，以及无线基站标识。
在一实施例中，所述根据所述用户终端的语音决策参数信息、所述网络的语音能力信息和所述运营商的本地策略信息，确定为所述用户终端提供的语音策略，还包括：从统一数据管理功能实体获取用户终端的签约信息；根据所述签约信息、所述用户终端的语音决策参数信息、所述网络的语音能力信息和所述运营商的本地策略信息，确定为所述用户终端提供的语音策略。
在一实施例中，所述语音策略包括以下之一：仅提供电路交换语音业务；对应着Vo5G；仅提供IP多媒体子系统语音业务；对应着CSFB；电路交换语音业务作为首选，IP多媒体子系统语音业务作为第二选择；以及IP多媒体子系统语音业务作为首选，电路交换语音业务作为第二选择。
在一实施例中，所述方法还包括：在用户终端的语音决策参数信息、网络的语音能力信息和运营商的本地策略信息中至少一种发生变化时，更新所述语音策略。
其中，语音策略的更新方式与确定方式相同。
在一实施例中，所述方法还包括：向接入和移动管理功能实体发送消息，所述消息携带所述语音策略的信息；所述消息包括策略响应消息和策略改变通知消息。
本申请实施例中，由PCF统一管理UE的语音策略。
在用户注册过程中，AMF收到UE的注册请求消息后，向PCF发送获取接入和移动管理策略请求消息，携带UE的语音能力信息和UE目前的接入位置信息等语音决策参数信息，PCF根据UE的语音能力和UE目前的接入位置信息等信息，网络的语音能力，以及运营商的本地策略，决策网络为UE提供语音的方式。
在一实施例中，当网络的语音能力和运营商的本地策略发生变化，PCF识别出受影响的用户，通知AMF更新UE的语音策略。
其中，UE的语音能力信息，包括UE使用设置(UE′s usage setting)，可以包括语音中心(voice center)，数据中心(data center)和语音优先策略(Voice domain preference)语音优先策略包括以下四种之一：仅提供CS语音业务，仅提供IMS语音业务，CS语音业务作为首选IMS语音业务作为第二选择，以及IMS语音业务作为首选CS语音业务作为第二选择。
UE目前的接入位置信息可为UE目前接入的跟踪区(Tracking Area，TA)，无线基站标识，或其组合。
PCF为UE决策的语音策略，可以为语音优先策略(Voice domain preference)，例如仅提供CS语音业务，仅提供IMS语音业务，CS语音业务作为首选IMS语音业务作为第二选择，IMS语音业务作为首选CS语音业务作为第二选择。
当然，PCF为了决策UE的语音策略，可能会从UDM中获取用户的部分签 约数据作为参考。
本申请实施例用户注册到网络时，网络侧根据UE的语音能力，网络的语音能力，以及运营商的本地策略等，确定了为UE提供语音的方式，并且可以方便地适配网络的语音能力的变化、运营商的本地策略的变化，从而简化网络管理。
实施例二
如图2所示，本申请实施例用于初始注册过程中确定UE语音策略，包括步骤201至步骤211。
在步骤201中，UE发起注册过程，发送注册请求消息，请求消息中携带UE′s usage setting和Voice domain preference等信息。
在步骤202中，RAN转发注册请求消息给AMF，消息中携带用户目前接入位置信息当前追踪区(Current TA)。
在步骤203中，AMF收到UE通过RAN发送的注册请求消息后，正常处理。
在步骤204中，AMF获取用户的签约信息等后，向PCF发送获取语音策略请求消息，消息中携带UE′s usage setting、Voice domain preference、Current TA等信息。
在步骤205中，PCF向UDR发送查询用户签约数据请求消息。
在步骤206中，UDR向PCF返回查询用户签约数据响应消息，携带用户的签约信息。
在步骤207中，PCF根据UE的UE′s usage setting、Voice domain preference、Current TA，网络的语音能力，和运营商本地策略，以及UE的签约信息，决策UE的语音策略。
在步骤208中，PCF向AMF返回获取接入和移动管理功能实体策略响应消息，携带决策的UE的语音策略等信息。
在步骤209中，AMF继续处理注册请求过程。
在步骤210中，AMF向UE发送注册接受消息，携带PCF决策的UE的语音策略等信息。
在步骤211中，AMF继续处理注册请求过程。
实施例三
如图3所示，本申请实施例用于位置更新发起的注册过程中确定UE语音策略，包括步骤301至步骤313。
在步骤301中，UE注册到网络。
在步骤302中，由于移动，需要发起位置更新触发的注册过程。
在步骤303中，UE发送注册请求消息，请求消息中携带UE′s usage setting和Voice domain preference等信息。
在步骤304中，RAN转发注册请求消息给AMF，消息中携带用户目前接入位置信息Current TA。
在步骤305中，AMF收到UE通过RAN发送的注册请求消息后，正常处理。
在步骤306中，AMF确定用户位置改变后，向PCF发送获取接入和移动管理策略请求消息，消息中携带UE′s usage setting、Voice domain preference、Current TA等信息。
在步骤307中，PCF向UDR发送查询用户签约数据请求消息。
在步骤308中，UDR向PCF返回查询用户签约数据响应消息，携带用户的签约信息。
在步骤309中，PCF根据UE的UE′s usage setting、Voice domain preference、Current TA，网络的语音能力，和运营商本地策略，以及UE的签约信息，决策UE的语音策略。
在步骤310中，PCF向AMF返回获取接入和移动管理策略响应消息，携带决策的UE的语音策略等信息。
在步骤311中，AMF继续处理注册请求过程。
在步骤312中，AMF向UE发送注册接受消息，携带PCF决策的UE的语音策略等信息。
在步骤313中，AMF继续处理注册请求过程。
实施例四
如图4所示，本申请实施例用于运营商本地策略发生变化过程中确定UE语音策略，包括步骤401至步骤408。
在步骤401中，UE注册到网络。
在步骤402中，由于网络状态发生改变等，运营商本地策略发生改变，PCF上运营商本地策略数据发生了改变。
在步骤403中，PCF扫描用户，对于被运营商本地策略改变受到影响的UE，PCF根据新的运营商本地策略，重新决策UE的语音策略。
在步骤404中，PCF为了通知AMF受影响UE的重新决策的UE语音策略，发送用户策略改变通知消息，消息中携带重新决策的UE语音策略。
在步骤405中，AMF向PCF返回用户策略改变通知确认消息。
在步骤406中，AMF发送用户信息更新通知消息给UE，携带重新决策的UE语音策略。
在步骤407中，UE向AMF返回用户信息更新确认消息。
在步骤408中，UE根据重新决策的UE语音策略，可能会触发新的流程。
实施例五
如图5所示，本申请实施例提供一种策略控制功能实体设备，其特征在于，所述设备包括存储器和处理器；所述存储器存储有确定UE语音策略的计算机程序，所述处理器设置为执行所述计算机程序，以实现如实施例一至实施例四中任意一项所述方法。
在一实施例中，所述方法包括：获取用户终端的语音决策参数信息、网络的语音能力信息和运营商的本地策略信息；根据所述用户终端的语音决策参数信息、所述网络的语音能力信息和所述运营商的本地策略信息，确定为所述用户终端提供的语音策略。
在一实施例中，所述获取用户终端的语音决策参数信息，包括：接收接入和移动管理功能实体的语音策略请求；从所述语音策略请求中获取所述用户终端的语音决策参数信息。
在一实施例中，所述用户终端的语音决策参数信息包括用户终端的语音能力信息和用户终端的接入位置信息。
其中，所述用户终端的语音能力信息包括用户终端的使用设置和语音优先策略。
所述用户终端的接入位置信息包括以下至少之一：用户终端接入跟踪区和无线基站标识。
在一实施例中，所述根据所述用户终端的语音决策参数信息、所述网络的语音能力信息和所述运营商的本地策略信息，确定为所述用户终端提供的语音策略，还包括：从统一数据管理功能实体获取用户终端的签约信息；根据所述签约信息、所述用户终端的语音决策参数信息、所述网络的语音能力信息和所述运营商的本地策略信息，确定为所述用户终端提供的语音策略。
在一实施例中，所述语音策略包括以下任一：仅提供电路交换语音业务；仅提供IP多媒体子系统语音业务；电路交换语音业务作为首选，IP多媒体子系统语音业务作为第二选择；IP多媒体子系统语音业务作为首选，电路交换语音业务作为第二选择。
在一实施例中，所述方法还包括：在用户终端的语音决策参数信息、网络的语音能力信息和运营商的本地策略信息中一种或一种以上信息发生变化时，则更新所述语音策略。
在一实施例中，所述方法还包括：向接入和移动管理功能实体发送消息，所述消息携带所述语音策略的信息；所述消息包括策略响应消息和策略改变通知消息。
实施例六
本申请实施例提供一种计算机可读存储介质，其特征在于，所述存储介质存储有确定UE语音策略的计算机程序，所述计算机程序被至少一个处理器执行时，以实现如实施例一至实施例四中任意一项所述方法的步骤。
本申请实施例中计算机可读存储介质可以是所及存取存储器(Random Access Memory，RAM)、闪存、只读存储器(Read Only Memory，ROM)、带电可编程只读存储器(Electrically Programmable Read-Only Memory，EPROM)、带电可擦可编程只读存储器(Electrically Erasable Programmable Read-Only Memory，EEPROM)、寄存器、硬盘、移动硬盘、只读光盘(Compact Disc Read-Only Memory，CD-ROM)或者本领域已知的任何其他形式的存储介质。可以将一种存储介质藕接至处理器，从而使处理器能够从该存储介质读取信息，且可向该存储介质写入信息；或者该存储介质可以是处理器的组成部分。处理器和存储介质可以位于专用集成电路中。
实施例五和实施例六可以参阅实施例一至实施例四。

Claims (10)

  1. 一种确定用户终端UE语音策略的方法，所述方法用于策略控制功能实体，包括：
    获取用户终端的语音决策参数信息、网络的语音能力信息和运营商的本地策略信息；
    根据所述用户终端的语音决策参数信息、所述网络的语音能力信息和所述运营商的本地策略信息，确定为所述用户终端提供的语音策略。
  2. 如权利要求1所述的方法，其中，所述获取用户终端的语音决策参数信息，包括：
    接收接入和移动管理功能实体的语音策略请求；
    从所述语音策略请求中获取所述用户终端的语音决策参数信息。
  3. 如权利要求1所述的方法，其中，所述用户终端的语音决策参数信息包括用户终端的语音能力信息和用户终端的接入位置信息。
  4. 如权利要求3所述的方法，其中，所述用户终端的语音能力信息包括用户终端的使用设置信息和语音优先策略信息；
    所述用户终端的接入位置信息包括以下至少之一：用户终端接入跟踪区，以及无线基站标识。
  5. 如权利要求1所述的方法，其中，所述根据所述用户终端的语音决策参数信息、所述网络的语音能力信息和所述运营商的本地策略信息，确定为所述用户终端提供的语音策略，还包括：
    从统一数据管理功能实体获取用户终端的签约信息；
    根据所述签约信息、所述用户终端的语音决策参数信息、所述网络的语音能力信息和所述运营商的本地策略信息，确定为所述用户终端提供的语音策略。
  6. 如权利要求1所述的方法，其中，所述语音策略包括以下之一：
    仅提供电路交换语音业务；
    仅提供IP多媒体子系统语音业务；
    电路交换语音业务作为首选，IP多媒体子系统语音业务作为第二选择；以及
    IP多媒体子系统语音业务作为首选，电路交换语音业务作为第二选择。
  7. 如权利要求1-6中任意一项所述的方法，所述方法还包括：
    在用户终端的语音决策参数信息、网络的语音能力信息和运营商的本地策 略信息中至少一种发生变化时，更新所述语音策略。
  8. 如权利要求7所述的方法，所述方法还包括：
    向接入和移动管理功能实体发送消息，所述消息携带所述语音策略的信息；所述消息包括策略响应消息和策略改变通知消息。
  9. 一种策略控制功能实体设备，所述设备包括存储器和处理器；所述存储器存储有确定用户终端UE语音策略的计算机程序，所述处理器设置为执行所述计算机程序，以实现如权利要求1-8中任意一项所述的方法。
  10. 一种计算机可读存储介质，所述存储介质存储有确定用户终端UE语音策略的计算机程序，所述计算机程序在被至少一个处理器执行时，实现如权利要求1-8中任意一项所述的方法。
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