WO2011140949A1 - 一种语音呼叫被呼建立方法及装置 - Google Patents

一种语音呼叫被呼建立方法及装置 Download PDF

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Publication number
WO2011140949A1
WO2011140949A1 PCT/CN2011/073665 CN2011073665W WO2011140949A1 WO 2011140949 A1 WO2011140949 A1 WO 2011140949A1 CN 2011073665 W CN2011073665 W CN 2011073665W WO 2011140949 A1 WO2011140949 A1 WO 2011140949A1
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Prior art keywords
network
message
access technology
called terminal
called
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PCT/CN2011/073665
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English (en)
French (fr)
Inventor
余媛芳
陆婷
方永刚
赵孝武
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中兴通讯股份有限公司
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Publication of WO2011140949A1 publication Critical patent/WO2011140949A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/12—Setup of transport tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/02—Inter-networking arrangements

Definitions

  • the present invention relates to the field of communications, and in particular, to a method and apparatus for establishing a voice call.
  • CDMA Code-Division Multiple Access
  • LTE Long Term Evolution
  • VOIP Voice over IP
  • voice services will still be carried by lxCS (circuit domain). Therefore, the interoperability between CDMA2000 IX and LTE is mainly reflected in the lx circuit service rollback (lx Circuit Service). Fall Back, lxCSFB) is supported.
  • the network architecture of lx CSFB is shown in Figure 1.
  • One of the logical functions of Inter-working Solution (ISS) is as a CDMA lx message repeater and processor, that is, the message sent by the terminal to the lx system through LTE and The messages sent by the lx system to the terminal through LTE need to be forwarded through the IWS.
  • ISS Inter-working Solution
  • the IWS can be implemented in the lx Base Station Controller (BSC), in the Mobile Switching Center (MSC), or in the mobility management entity of the LTE network (Mobility Management). Entity, MME) implementation, or it can be a separate network entity.
  • BSC Base Station Controller
  • MSC Mobile Switching Center
  • MME Mobility Management Entity
  • the called setup process of lx CSFB will be different.
  • various processes need to be clarified in order to maximize the use of existing lx network resources; Since the lx CSFB call flow is different from the simple lx network call flow, the timing of the network side notifying the terminal of the incoming call information will have a certain impact on the call performance, resource usage efficiency, user experience, and the user's LTE service. However, at present, the network side has notified the terminal that there is no solution for the caller information.
  • the technical problem to be solved by the present invention is to provide a method and a device for establishing a voice call to be called, and provide a solution for the called establishment in multiple interoperability scenarios of different radio access technologies.
  • the present invention provides a method for establishing a voice call to be called, which is applicable to a scenario in which two wireless access technologies interoperate, and a network using the first wireless access technology is used as the first network.
  • the network of the second radio access technology is the second network
  • the first radio access technology is a code division multiple access lx access technology
  • the IWS After the interworking solution function (IWS) and the first network successfully complete the resource allocation, the IWS sends the resource assignment message of the first network to the called terminal through the tunnel provided by the second network. And call notification messages.
  • IWS interworking solution function
  • the sending by the IWS, the resource assignment message and the incoming call notification message of the first network to the called terminal, the IWS first sending the resource assignment message of the first network, and then sending the incoming call notification message; Or the IWS simultaneously sends a resource assignment message and an incoming call notification message of the first network.
  • the resource assignment message of the first network includes: an Extended Channel Assignment and/or a Universal Handoff Direction message.
  • the incoming call notification message includes: a Feature Notification message or an Alert with Information message.
  • the present invention also provides a method for establishing a voice call to be called, which is applicable to a scenario in which two wireless access technologies interoperate, and the network using the first wireless access technology is used as the first network.
  • the second radio access technology is a second network
  • the first radio access technology is a code division multiple access lx access technology
  • the IWS After the interworking solution function (IWS) and the first network successfully complete the resource allocation, the IWS sends the resource assignment message of the first network to the called terminal through the tunnel provided by the second network. After receiving the message that the called terminal successfully captures the network, the first network sends an incoming call notification message to the called terminal.
  • IWS interworking solution function
  • the resource assignment message of the first network includes: an extended channel assignment message (Extended Channel Assignment) and/or Universal Handoff Direction message.
  • the incoming call notification message includes: a Feature Notification message or an Alert with Information message.
  • the present invention also provides a method for establishing a voice call to be called, which is applicable to a scenario in which two wireless access technologies interoperate, and the network using the first wireless access technology is used as the first network.
  • the second radio access technology is a second network
  • the first radio access technology is a code division multiple access lx access technology
  • the interoperation function sends a paging message to the called terminal through the tunnel provided by the second network, and the interoperation function body receives the paging response message of the called terminal, and then notifies the The first network; the interoperation function sends an incoming call notification message to the called terminal by using a tunnel provided by the second network according to the information provided by the first network; the interoperation function body receives the After receiving the response message of the voice call, the called terminal initiates a resource allocation process with the first network, and sends a resource assignment message of the first network to the called terminal through the tunnel provided by the second network; the interoperation function After learning that the called terminal successfully captures the first network, the body sends a response message that the called terminal accepts the voice call to the first network.
  • the interoperation function sends a reject message or releases to the first network when receiving the response message that the called terminal rejects the current voice call or does not receive the response message of the called terminal. Message, initiates the call release process.
  • the incoming call notification message includes: a Feature Notification message or an Alert with Information message.
  • the interoperation function body comprises: an interoperation solution function (IWS), or a unified configuration body of an interoperation solution function body (IWS) and a base station of the first network.
  • IWS interoperation solution function
  • IWS unified configuration body of an interoperation solution function body
  • the present invention also provides a method for establishing a voice call to be called, which is applicable to a scenario in which two wireless access technologies interoperate, and the network using the first wireless access technology is used as the first network.
  • the network of the second radio access technology is a second network, where the first radio access technology is Code division multiple access lx access technology, the method includes:
  • the interworking function After the interworking function successfully completes the resource allocation, the interworking function sends the resource assignment message of the first network to the called terminal by using the tunnel provided by the second network; the interoperation function body receives the After the called terminal successfully captures the message of the first network, it sends an incoming call notification message to the called terminal.
  • the interoperation function body comprises: a unified configuration body of an interworking solution function body (IWS) and a base station of the first network.
  • IWS interworking solution function body
  • the present invention further provides a voice call called party establishment apparatus, which is applicable to a scenario in which two radio access technologies interoperate, and the network using the first radio access technology is used as the first network,
  • the second radio access technology is a second network
  • the first radio access technology is a code division multiple access lx access technology
  • the device is respectively connected to the first network and the second network, where the device Includes:
  • a resource allocation unit configured to: perform resource allocation during a voice call called establishment, or complete resource allocation with the first network
  • a message sending unit configured to: send, by the tunnel provided by the second network, a resource assignment message and/or an incoming call notification message of the first network to the called terminal.
  • the present invention further provides a voice call called party establishment apparatus, which is applicable to a scenario in which two radio access technologies interoperate, and the network using the first radio access technology is used as the first network,
  • the second radio access technology is a second network
  • the first radio access technology is a code division multiple access lx access technology
  • the device is respectively connected to the first network and the second network, where the device Includes:
  • a message sending unit configured to: send a paging message to the called terminal by using a tunnel provided by the second network, and send a paging response message of the called terminal to the first a network, and sending an incoming call notification message to the called terminal by using a tunnel provided by the second network; and after the receiving unit receives the message that the called terminal successfully captures the first network, the Sending a response message that the terminal accepts the voice call to the first network, Complete the establishment of the call;
  • a message receiving unit configured to: receive a paging response message of the called terminal, receive a response message that the called terminal accepts the current voice call, and receive a message that the called terminal successfully captures the first network; as well as
  • a resource allocation unit configured to: after receiving the response message that the called terminal accepts the current voice call, initiate a resource allocation process with the first network, and instruct the called terminal to capture the first network.
  • the present invention is applicable to a scenario in which two radio access technologies interoperate.
  • schemes 1 and 2 by first allocating resources and then sending call information, once the user selects to answer the call, the call can be immediately performed without waiting for resources to be established.
  • the user is allowed to receive the call according to the incoming call information before the resource is allocated to the terminal. If the user accepts the call, the resource allocation is started. If the user rejects the call or does not answer, the resource allocation is not started, and the resource allocation and use can be improved. Efficiency, at the same time, this process does not cause LTE service interruption when the user rejects the call or does not answer because the corresponding message is transmitted through the tunnel.
  • the present invention provides a corresponding solution for different needs. BRIEF abstract
  • Figure 1 is a schematic diagram of the network architecture of lx CSFB
  • FIG. 2 is a flow chart showing the processing of a voice call called by the IWS and lxBS separated configuration using the method 1 of the present invention
  • FIG. 3 is a flow chart showing the processing of a voice call called by the IWS and 1XBS separated configuration using the method 2 of the present invention
  • FIG. 4 is a flow chart showing the processing of a voice call called by the IWS and 1XBS separated configurations using the method 3 of the present invention
  • FIG. 5 is a flow chart showing the processing of a voice call called by the IWS and lxBS integrated configuration of the present invention
  • the method of the present invention is applicable to a scenario in which two radio access technologies interoperate.
  • a network using the first radio access technology is referred to as a first network
  • a network using a second radio access technology is referred to as a second.
  • the first radio access technology is a code division multiple access lx access technology.
  • the IWS After the interworking solution function (IWS) and the first network successfully complete the resource allocation, the IWS sends the resource assignment message of the first network to the called terminal through the tunnel provided by the second network. And call notification messages.
  • IWS interworking solution function
  • the interoperation solution function may first send an lx resource assignment message and then send an incoming call notification message; or may send the lx resource assignment message and the incoming call notification message to the terminal together.
  • the IWS After the interworking solution function (IWS) and the first network successfully complete the resource allocation, the IWS sends the resource assignment message of the first network to the called terminal through the tunnel provided by the second network. After receiving the message that the called terminal successfully captures the network, the first network sends an incoming call notification message to the called terminal.
  • IWS interworking solution function
  • the resource assignment message is used to indicate that the called terminal captures the first network.
  • the interoperation function sends a paging message to the called terminal through the tunnel provided by the second network, and the interoperation function body receives the paging response message of the called terminal, and then notifies the Transmitting, by the first network, an incoming call notification message to the called terminal by using a tunnel provided by the second network according to the information provided by the first network; the interworking function receiving the received terminal After the response message of the secondary voice call, the resource allocation process with the first network is started, and the resource assignment message of the first network is sent to the called terminal by using the tunnel provided by the second network, that is, the called terminal is instructed to capture the first Network; the interoperable function body learns the called terminal After successfully capturing the first network, the called terminal receives the response message of the current voice call to the first network, and completes the establishment of the called party.
  • the interoperation function body sends an incoming call notification message to the called terminal according to the information provided by the first network through the tunnel provided by the second network, where the interoperation function body constructs an incoming call according to the information provided by the first network. And notifying the message, and sending the incoming call notification message to the called terminal by using a tunnel provided by the second network.
  • the information provided by the first network refers to information used to construct an incoming call notification message, and mainly includes: information of a calling number, and may also include other information related to the calling party.
  • the interoperation function sends a reject message or releases to the first network when receiving the response message that the called terminal rejects the current voice call or does not receive the response message of the called terminal. Message, initiates the call release process.
  • the interoperation function body comprises: an interoperation solution function (IWS), or a unified configuration body of an interoperation solution function body (IWS) and a base station of the first network.
  • IWS interoperation solution function
  • IWS unified configuration body of an interoperation solution function body
  • the voice call can be established by combining the scheme 1 and the scheme 2, as follows:
  • the interworking function After the interworking function successfully completes the resource allocation, the interworking function sends the resource assignment message of the first network to the called terminal by using the tunnel provided by the second network; the interoperation function body receives the After the called terminal successfully captures the message of the first network, it sends an incoming call notification message to the called terminal.
  • the resource assignment message of the first network includes: an Extended Channel Assignment and/or a Universal Handoff Direction message.
  • the incoming call notification message may be a Feature Notification message or an Alert with Information message.
  • the interoperation function constructs an incoming call notification message according to the calling number information provided by the first network.
  • the invention is applicable to the interoperability system of CDMA2000 lx and LTE, and can also be applied to Lx and other wireless access technology interoperability systems, such as DO systems.
  • Example 1 The present invention will be described below by taking the interoperability system of CDMA2000 1x and LTE as an example.
  • Example 1 The present invention will be described below by taking the interoperability system of CDMA2000 1x and LTE as an example.
  • Example 1
  • the processing flow of the voice call called by the IWS and lxBS separated configurations according to the method 1 of the present invention includes the following steps:
  • Step 201 The mobile switching center (MSC) sends a paging request message to the interworking solution function (IWS) and the lx base station (BS) respectively.
  • IWS interworking solution function
  • BS lx base station
  • the MSC may carry information including the calling number in the paging request for the interworking solution function to construct an incoming call notification message.
  • Step 202 The interoperation solution function sends a paging message to the terminal by using a tunnel provided by another radio access technology (for example, LTE);
  • another radio access technology for example, LTE
  • the tunnel provided by the LTE is: a tunnel from the MME to the UE (or MS) through the eNB.
  • Step 203 The terminal sends a paging response message to the interoperation solution function through the tunnel provided by the other radio access technology.
  • Step 204 The interoperation solution function sends the received paging response message to the mobile switching center.
  • Step 205 The mobile switching center sends an assignment request message to the interoperation solution function.
  • the MSC may also carry the information including the calling number in the assignment request message, so that the interworking solution function constructs the incoming call notification message.
  • Step 206 The interoperation solution function sends an assignment completion message to the mobile switching center.
  • Step 207 Perform an operation of hard handover resource allocation between the interworking solution function and the lx network.
  • the tunnel provided by the technology sends a resource assignment message to the terminal;
  • the lx resource assignment message includes: an Extended Channel Assignment and/or a Universal Handoff Direction message, and the like.
  • step 209 may be performed first, then step 208 may be performed, or simultaneously sent to the terminal.
  • Step 210 The terminal captures the lx network, and the hard handover succeeds;
  • Step 211 According to the incoming call notification message, if the user receives the call, the terminal sends a connection message to the lx network; if the user rejects the call or does not answer, the terminal sends a release message to the lx network.
  • the processing flow of the voice call called by the IWS and 1XBS separated configuration according to the method 2 of the present invention includes the following steps:
  • Step 301 The mobile switching center (MSC) sends a paging request message to the interworking solution function (IWS) and the lx base station (BS) respectively.
  • IWS interworking solution function
  • BS lx base station
  • Step 302 The interoperation solution function sends a paging message to the terminal by using a tunnel provided by another radio access technology (for example, LTE);
  • another radio access technology for example, LTE
  • Step 303 The terminal sends a paging response message to the interoperation solution function through the tunnel provided by the other radio access technology.
  • Step 304 The interoperation solution function sends the received paging response message to the mobile switching center.
  • Step 305 The mobile switching center sends an assignment request message to the interoperation solution function.
  • Step 306 The interoperation solution function sends an assignment completion message to the mobile switching center.
  • Step 307 The interoperation solution function and the lx network are hard. Switching the operation of resource allocation; this step may also include the delivery of the calling number information in the lx network;
  • Step 308 The interoperation solution function sends a resource assignment message to the terminal by using a tunnel provided by another radio access technology.
  • Step 309 The terminal captures the lx network, and the hard handover succeeds.
  • Step 310 The lx base station sends an incoming call notification message to the terminal. In this step, the lx base station may construct an incoming call notification message or receive an incoming call notification message from the mobile switching center.
  • Step 311 According to the incoming call notification message, if the user receives the call, the terminal sends a connection message to the lx network; if the user rejects the call or does not answer, the terminal sends a release message to the lx network.
  • the processing flow of the voice call called by the IWS and 1XBS separated configurations according to the third method of the present invention includes the following steps:
  • Step 401 The mobile switching center (MSC) sends a paging request message to the interworking solution function (IWS) and the lx base station (BS) respectively.
  • IWS interworking solution function
  • BS lx base station
  • Step 402 The interoperation solution function sends a paging message to the terminal by using a tunnel provided by another radio access technology (for example, LTE);
  • another radio access technology for example, LTE
  • Step 403 The terminal sends a paging response message to the interoperation solution function through the tunnel provided by the other radio access technology.
  • Step 404 The interoperation solution function sends the received paging response message to the mobile switching center.
  • Step 405 The mobile switching center sends an assignment request message to the interoperation solution function.
  • Step 406 The interoperation solution function sends an assignment completion message to the mobile switching center.
  • Step 407 The interoperation solution function passes other radio access technologies.
  • the provided tunnel sends an incoming call notification message to the terminal;
  • steps 406 and 407 can also be completed simultaneously, i.e., the interoperation resolution function simultaneously sends messages to the mobile switching center and the terminal.
  • Step 408 According to the incoming call notification message, if the user receives the call, the terminal sends a connection message to the interoperation resolution function; if the user rejects the call or does not answer, the terminal sends a release message to the interoperation solution function;
  • Step 409 The interoperation solution function receives the response message of the terminal rejecting the call or not answering, and sends a reject message or a release message to the mobile switching center to start the call release process.
  • Step 410 After receiving the response message (ie, the connection message) that the terminal receives the call, the interoperation solution function starts a hard handover resource allocation process, and performs a hard handover resource allocation operation with the lx network.
  • Step 411 The interoperation solution function sends a resource assignment message to the terminal by using a tunnel provided by another radio access technology.
  • Step 412 The terminal captures the lx network, and the hard handover succeeds
  • the MSC in the network After the terminal captures the lx network, the MSC in the network sends a message that the terminal captures success to the interoperation solution function.
  • Step 413 The interworking solution function receives the hard handover success message sent by the mobile switching center, and forwards the response message of the terminal receiving the call to the mobile switching center.
  • the processing procedure of the voice call called by the IWS and lxBS unified configuration according to the method 1 and method 2 of the present invention includes the following steps:
  • Step 501 The mobile switching center (MSC) sends a paging request message to the lx base station (IWS-lxBS);
  • Step 502 The lx base station sends a paging message to the terminal by using a tunnel provided by another radio access technology (for example, LTE);
  • another radio access technology for example, LTE
  • Step 503 The terminal sends a paging response message to the lx base station by using a tunnel provided by another radio access technology.
  • Step 504 The lx base station sends the received paging response message to the mobile switching center.
  • Step 505 The mobile switching center sends an assignment request message to the lx base station.
  • Step 506 The lx base station sends a resource assignment message to the terminal through a tunnel provided by another radio access technology.
  • Step 507 The terminal captures the lx network and notifies the lx base station.
  • Step 508 The lx base station sends an assignment completion message to the mobile switching center.
  • Step 509 The lx base station sends an incoming call notification message to the terminal.
  • Step 510 According to the incoming call notification message, if the user receives the call, the terminal sends a connection message to the lx network; if the user rejects the call or does not answer, the terminal sends a release message to the lx network.
  • the processing flow of the voice call called by the IWS and lxBS unified configuration using the method 3 of the present invention includes the following steps:
  • Step 601 The mobile switching center (MSC) sends a paging request message to the lx base station (IWS-lxBS);
  • Step 602 The lx base station sends a paging message to the terminal by using a tunnel provided by another radio access technology (for example, LTE).
  • another radio access technology for example, LTE
  • Step 603 The terminal sends a paging response message to the lx base station by using a tunnel provided by another radio access technology.
  • Step 604 The lx base station sends the received paging response message to the mobile switching center.
  • Step 605 The mobile switching center sends an assignment request message to the lx base station.
  • Step 606 The lx base station sends an assignment completion message to the mobile switching center.
  • Step 607 The lx base station sends an incoming call notification message to the terminal.
  • Step 608 According to the incoming call notification message, if the user receives the call, the terminal sends a connection message to the lx network; if the user rejects the call or does not answer, the terminal sends a release message to the lx base station; Step 609: The lx base station receives the terminal rejecting the call or If there is no response message, the rejection message is sent or the message is released to the mobile switching center, and the call release process is started;
  • Step 610 The lx base station receives the response message of the terminal receiving the call, and performs the resource allocation operation.
  • the lx base station sends the resource assignment message to the terminal through the tunnel provided by the other radio access technology.
  • Step 611 The terminal captures the lx network and notifies the network. Lx base station;
  • Step 612 The lx base station learns that the terminal successfully captures the lx network, and forwards the response message of the terminal receiving the call to the mobile switching center.
  • Example 6 The voice call called establishment apparatus for implementing the above embodiments 1, 2, 4 includes:
  • a resource allocation unit configured to complete resource allocation during a voice call called establishment, or complete resource allocation with the first network
  • a message sending unit configured to send, by the tunnel provided by the second network, a resource assignment message and/or an incoming call notification message of the first network to the called terminal.
  • the voice call called establishment apparatus for implementing the foregoing embodiments 3 and 5 includes:
  • a message sending unit configured to send a paging message to the called terminal by using a tunnel provided by the second network, and send a paging response message returned by the called terminal to the first a network, and sending an incoming call notification message to the called terminal by using a tunnel provided by the second network; and after the receiving unit receives the message that the called terminal successfully captures the first network, the Sending a response message that the terminal accepts the voice call to the first network, completing the establishment of the called call;
  • a message receiving unit configured to receive a paging response message returned by the called terminal, receive a response message that the called terminal accepts the current voice call, and receive a message that the called terminal successfully captures the first network
  • a resource allocation unit configured to start a resource allocation process with the first network after receiving the response message of the called terminal, and instruct the called terminal to capture the first network.
  • the system for implementing the foregoing method includes a first network, a second network, and an interoperation function, wherein the first network uses a first radio access technology, is a code division multiple access lx access technology, and the second network uses a second wireless Access technology.
  • the second network is mainly used to provide a message tunnel for the voice call in the first network; the interoperation function is mainly used to select, according to the requirement, to send a paging request and an incoming call notification to the called terminal through a tunnel provided by the second network at different occasions. , resource assignments and other news.
  • the interoperation function is mainly used to select, according to the requirement, to send a paging request and an incoming call notification to the called terminal through a tunnel provided by the second network at different occasions. , resource assignments and other news.
  • the present invention is applicable to a scenario in which two radio access technologies interoperate.
  • schemes 1 and 2 by first allocating resources and then sending call information, once the user selects to answer the call, the call can be immediately performed without waiting for resources to be established.
  • the user is allowed to receive the call according to the incoming call information before the resource is allocated to the terminal. If the user accepts the call, the resource allocation is started. If the user rejects the call or does not answer, the resource allocation is not started, and the resource allocation and use can be improved. Efficiency, at the same time, this process does not cause LTE service interruption when the user rejects the call or does not answer because the corresponding message is transmitted through the tunnel.
  • the present invention provides a corresponding solution for different needs.

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Abstract

本发明公开了一种语音呼叫被呼建立方法及装置，为多个不同无线接入技术互操作场景下的被呼建立提供方案。所述方法适用于两种无线接入技术互操作的场景，采用第一无线接入技术的网络为第一网络，采用第二无线接入技术的网络为第二网络，所述第一无线接入技术为码分多址1x接入技术，所述方法包括：在语音呼叫被呼建立过程中，互操作解决功能体（IWS）与第一网络成功完成资源分配后，所述IWS通过第二网络提供的隧道向被叫终端发送第一网络的资源指配消息和来电通知消息。

Description

一种语音呼叫被呼建立方法及装置
技术领域
本发明涉及通信领域， 尤其涉及语音呼叫被呼建立方法及装置。
背景技术
随着码分多址 （Code-Division Multiple Access, CDMA)网络向长期演进 (Long Term Evolution , LTE)网络的演进， 业务将逐渐由 LTE网络来承载， 而 在 LTE建设网络初期， 将主要以热点区域覆盖、 提供高速非实时数据业务为 目的， 将不部署 VOIP , 语音业务仍然由 lxCS (电路域） 来承载， 因此 CDMA2000 IX和 LTE的互操作主要体现在对 lx电路业务回退（ lx Circuit Service Fall Back, lxCSFB ) 的支持上。
lx CSFB 的网络架构如图 1 所示， 互操作解决功能体（Inter-working Solution, IWS )逻辑功能之一是作为 CDMA lx消息转发器和处理器， 即终 端通过 LTE发往 lx系统的消息以及 lx 系统通过 LTE发往终端的消息均需 要通过 IWS进行转发。
作为一个逻辑功能体， IWS 可以在 lx 基站控制器 （Base Station Controller, BSC ) 实现， 也可以在移动交换中心 （ Mobile Switching Center, MSC ) 实现， 也可以在 LTE网络的移动性管理实体 ( Mobility Management Entity, MME ) 实现， 也可以是独立的网络实体。
基于不同的 IWS部署， lx CSFB的被叫建立流程将会有所不同， 为了加 快终端厂商和设备厂商部署 lx CSFB, 需要明确各种处理过程， 以便最大化 的利用现有的 lx网络资源； 并且由于 lx CSFB呼叫流程不同于单纯的 lx网 络的呼叫流程， 网络侧通知终端有来电的信息的时机将对通话性能、 资源使 用效率、 用户感受以及用户的 LTE业务产生一定的影响。 但是， 目前网络侧 如何通知终端有来电信息还没有确定的方案。
发明内容 本发明要解决的技术问题是提供一种语音呼叫被呼建立方法及装置， 为 多个不同无线接入技术互操作场景下的被呼建立提供方案。
为解决上述技术问题， 本发明提供了一种语音呼叫被呼建立方法， 适用 于两种无线接入技术互操作的场景， 釆用第一无线接入技术的网络为第一网 络， 釆用第二无线接入技术的网络为第二网络， 所述第一无线接入技术为码 分多址 lx接入技术， 所述方法包括：
在语音呼叫被呼建立过程中， 互操作解决功能体（IWS )与第一网络成 功完成资源分配后， 所述 IWS通过第二网络提供的隧道向被叫终端发送第一 网络的资源指配消息和来电通知消息。
优选地， 所述 IWS向被叫终端发送第一网络的资源指配消息和来电通知 消息是指： 所述 IWS先发送所述第一网络的资源指配消息， 后发送所述来电 通知消息； 或者所述 IWS同时发送所述第一网络的资源指配消息和来电通知 消息。
优选地， 所述的第一网络的资源指配消息包括： 扩展信道指配消息 ( Extended Channel Assignment )和 /或通用切换指示消息 ( Universal Handoff Direction ) 。
优选地， 所述来电通知消息包括： 特性通知消息 （ Feature Notification ) 或警戒信息消息 ( Alert with Information ) 。
为解决上述技术问题， 本发明还提供了一种语音呼叫被呼建立方法， 适 用于两种无线接入技术互操作的场景， 釆用第一无线接入技术的网络为第一 网络， 釆用第二无线接入技术的网络为第二网络， 所述第一无线接入技术为 码分多址 lx接入技术， 所述方法包括：
在语音呼叫被呼建立过程中， 互操作解决功能体（IWS )与第一网络成 功完成资源分配后， 所述 IWS通过第二网络提供的隧道向被叫终端发送第一 网络的资源指配消息； 所述第一网络接收到所述被叫终端成功捕获本网络的 消息后， 向所述被叫终端发送来电通知消息。
优选地， 所述的第一网络的资源指配消息包括： 扩展信道指配消息 ( Extended Channel Assignment )和 /或通用切换指示消息 ( Universal Handoff Direction ) 。
优选地， 所述来电通知消息包括： 特性通知消息 （ Feature Notification ) 或警戒信息消息 ( Alert with Information ) 。
为解决上述技术问题， 本发明还提供了一种语音呼叫被呼建立方法， 适 用于两种无线接入技术互操作的场景， 釆用第一无线接入技术的网络为第一 网络， 釆用第二无线接入技术的网络为第二网络， 所述第一无线接入技术为 码分多址 lx接入技术， 所述方法包括：
在语音呼叫被呼建立过程中， 互操作功能体通过第二网络提供的隧道向 被叫终端发送寻呼消息， 所述互操作功能体收到所述被叫终端的寻呼响应消 息后， 通知所述第一网络； 所述互操作功能体根据第一网络提供的信息通过 所述第二网络提供的隧道向所述被叫终端发送来电通知消息； 所述互操作功 能体在接收到所述被叫终端接受本次语音呼叫的应答消息后， 启动与第一网 络的资源分配过程， 并通过第二网络提供的隧道向被叫终端发送第一网络的 资源指配消息； 所述互操作功能体在获知所述被叫终端成功捕获到第一网络 后， 将所述被叫终端接受本次语音呼叫的应答消息发送给所述第一网络。
优选地， 所述互操作功能体在接收到所述被叫终端拒绝本次语音呼叫的 应答消息或未收到所述被叫终端的应答消息时， 向所述第一网络发送拒绝消 息或释放消息， 启动呼叫释放流程。
优选地， 所述来电通知消息包括： 特性通知消息 （ Feature Notification ) 或警戒信息消息 ( Alert with Information ) 。
优选地， 所述互操作功能体包括： 互操作解决功能体（IWS ) , 或者互 操作解决功能体（IWS )与第一网络的基站的合一配置体。
为解决上述技术问题， 本发明还提供了一种语音呼叫被呼建立方法， 适 用于两种无线接入技术互操作的场景， 釆用第一无线接入技术的网络为第一 网络， 釆用第二无线接入技术的网络为第二网络， 所述第一无线接入技术为 码分多址 lx接入技术， 所述方法包括：
在语音呼叫被呼建立过程中， 互操作功能体成功完成资源分配后， 通过 第二网络提供的隧道向被叫终端发送第一网络的资源指配消息； 所述互操作 功能体接收到所述被叫终端成功捕获到所述第一网络的消息后， 向所述被叫 终端发送来电通知消息。
优选地， 所述互操作功能体包括： 互操作解决功能体（IWS )与第一网 络的基站的合一配置体。
为解决上述技术问题， 本发明还提供了一种语音呼叫被叫建立装置， 适 用于两种无线接入技术互操作的场景， 釆用第一无线接入技术的网络为第一 网络， 釆用第二无线接入技术的网络为第二网络， 所述第一无线接入技术为 码分多址 lx接入技术， 所述装置分别与所述第一网络和第二网络相连， 所述 装置包括：
资源分配单元， 其设置为： 在语音呼叫被呼建立过程中， 完成资源分配， 或者与所述第一网络完成资源分配； 以及
消息发送单元， 其设置为： 通过所述第二网络提供的隧道向所述被叫终 端发送第一网络的资源指配消息和 /或来电通知消息。
为解决上述技术问题， 本发明还提供了一种语音呼叫被叫建立装置， 适 用于两种无线接入技术互操作的场景， 釆用第一无线接入技术的网络为第一 网络， 釆用第二无线接入技术的网络为第二网络， 所述第一无线接入技术为 码分多址 lx接入技术， 所述装置分别与所述第一网络和第二网络相连， 所述 装置包括：
消息发送单元， 其设置为： 在语音呼叫被呼建立过程中， 通过第二网络 提供的隧道向被叫终端发送寻呼消息， 将所述被叫终端的寻呼响应消息发送 至所述第一网络， 并通过所述第二网络提供的隧道向所述被叫终端发送来电 通知消息； 以及在所述接收单元接收到所述被叫终端成功捕获到第一网络的 消息后，将所述被叫终端接受本次语音呼叫的应答消息发送给所述第一网络， 完成被呼的建立；
消息接收单元， 其设置为： 接收所述被叫终端的寻呼响应消息， 接收所 述被叫终端接受本次语音呼叫的应答消息； 接收所述被叫终端成功捕获到第 一网络的消息； 以及
资源分配单元， 其设置为： 在接收到所述被叫终端接受本次语音呼叫的 应答消息后， 启动与所述第一网络的资源分配过程， 并指示所述被叫终端捕 获第一网络。
本发明适用于两种无线接入技术互操作的场景， 针对方案一和方案二， 通过先分配资源后发送来电信息的方式， 一旦用户选择接听呼叫， 就可以立 即进行通话， 而不必等待资源建立， 从而提升用户体验。 针对方案三， 通过 在给终端分配资源前让用户根据来电信息选择是否接收呼叫， 如果用户接受 呼叫才启动资源分配， 如果用户拒绝呼叫或无应答， 则不启动资源分配， 可 以提高资源分配和使用效率， 同时这种处理过程在用户拒绝呼叫或无应答时 由于相应的消息均通过隧道传输不会造成 LTE业务的中断。 综上， 本发明为 不同的需求提供相应的解决方案。 附图概述
图 1为 lx CSFB的网络架构示意图；
图 2为釆用本发明方法一的基于 IWS和 lxBS分离配置的语音呼叫被叫 的处理流程图；
图 3为釆用本发明方法二的基于 IWS和 1XBS分离配置的语音呼叫被叫 的处理流程图；
图 4为釆用本发明方法三的基于 IWS和 1XBS分离配置的语音呼叫被叫 的处理流程图；
图 5为釆用本发明的基于 IWS和 lxBS合一配置的语音呼叫被叫的处理 流程图；
图 6为釆用本发明的基于 IWS和 lxBS合一配置的语音呼叫被叫的处理 流程图。 本发明的较佳实施方式
本发明方法适用于两种无线接入技术互操作的场景， 下文中将釆用第一 无线接入技术的网络称为第一网络， 将釆用第二无线接入技术的网络称为第 二网络， 所述第一无线接入技术为码分多址 lx接入技术。 为解决现有技术中 的问题， 本发明提供如下技术方案：
方案一：
在语音呼叫被呼建立过程中， 互操作解决功能体（IWS )与第一网络成 功完成资源分配后， 所述 IWS通过第二网络提供的隧道向被叫终端发送第一 网络的资源指配消息和来电通知消息。
优选地， 互操作解决功能体（IWS )可以先发送 lx资源指配消息， 然后 再发送来电通知消息；也可以将 lx资源指配消息和来电通知消息一起发送给 终端。
方案二：
在语音呼叫被呼建立过程中， 互操作解决功能体（IWS )与第一网络成 功完成资源分配后， 所述 IWS通过第二网络提供的隧道向被叫终端发送第一 网络的资源指配消息； 所述第一网络接收到所述被叫终端成功捕获本网络的 消息后， 向所述被叫终端发送来电通知消息。
所述资源指配消息用于指示所述被叫终端捕获第一网络。
方案三：
在语音呼叫被呼建立过程中， 互操作功能体通过第二网络提供的隧道向 被叫终端发送寻呼消息， 所述互操作功能体收到所述被叫终端的寻呼响应消 息后， 通知所述第一网络， 并根据第一网络提供的信息通过所述第二网络提 供的隧道向所述被叫终端发送来电通知消息； 所述互操作功能体在接收到所 述被叫终端接受本次语音呼叫的应答消息后， 启动与第一网络的资源分配过 程， 并通过第二网络提供的隧道向被叫终端发送第一网络的资源指配消息， 即指示所述被叫终端捕获第一网络； 所述互操作功能体在获知所述被叫终端 成功捕获到第一网络后， 将所述被叫终端接受本次语音呼叫的应答消息发送 给所述第一网络， 完成被呼的建立。
所述互操作功能体根据第一网络提供的信息通过所述第二网络提供的隧 道向所述被叫终端发送来电通知消息是指： 所述互操作功能体根据第一网络 提供的信息构造来电通知消息， 并将所述来电通知消息通过所述第二网络提 供的隧道发送给所述被叫终端。 所述第一网络提供的信息是指用于构造来电 通知消息的信息， 主要包括： 主叫号码的信息， 还可包括其他与主叫有关的 信息。
优选地， 所述互操作功能体在接收到所述被叫终端拒绝本次语音呼叫的 应答消息或未收到所述被叫终端的应答消息时， 向所述第一网络发送拒绝消 息或释放消息， 启动呼叫释放流程。
优选地， 所述互操作功能体包括： 互操作解决功能体（IWS ) , 或者互 操作解决功能体（IWS )与第一网络的基站的合一配置体。
当互操作解决功能体与第一网络的基站合一配置时， 可结合方案一和方 案二实现语音呼叫被呼建立， 过程如下：
在语音呼叫被呼建立过程中， 互操作功能体成功完成资源分配后， 通过 第二网络提供的隧道向被叫终端发送第一网络的资源指配消息； 所述互操作 功能体接收到所述被叫终端成功捕获到所述第一网络的消息后， 向所述被叫 终端发送来电通知消息。
上述的第一网络的资源指配消息包括： 扩展信道指配消息 （Extended Channel Assignment )和 /或通用切换指示消息 ( Universal Handoff Direction ) 等。
所述来电通知消息可以是特性通知消息 （ Feature Notification )或警戒信 息消息 ( Alert with Information )等。
互操作功能体根据第一网络提供的主叫号码信息构造来电通知消息。 本发明除了应用于 CDMA2000 lx与 LTE的互操作系统中， 还可应用于 lx与其他无线接入技术的互操作系统中， 例如 DO系统。
下面以 CDMA20001x与 LTE的互操作系统为例， 对本发明进行说明。 实施例 1
如图 2所示， 釆用本发明方法一的基于 IWS和 lxBS分离配置的语音呼 叫被叫的处理流程， 包括以下步骤：
步骤 201 : 移动交换中心 （MSC )分别给互操作解决功能体（IWS )和 lx基站（BS )发送寻呼请求消息；
MSC可在寻呼请求中携带包含主叫号码的信息， 以供互操作解决功能体 构造来电通知消息。
步骤 202: 互操作解决功能体通过其他无线接入技术（例如 LTE )提供 的隧道给终端发送寻呼消息；
在本实施例中 , LTE提供的隧道为： 从 MME通过 eNB到 UE (或 MS ) 的隧道。
步骤 203 : 终端通过其他无线接入技术提供的隧道给互操作解决功能体 发送寻呼响应消息； 步骤 204: 互操作解决功能体将接收到的寻呼响应消息发送给移动交换 中心；
步骤 205: 移动交换中心向互操作解决功能体发送指配请求消息； MSC也可在指配请求消息中携带包含主叫号码的信息， 以供互操作解决 功能体构造来电通知消息。
步骤 206: 互操作解决功能体向移动交换中心发送指配完成消息； 步骤 207: 互操作解决功能体与 lx网络间进行硬切换资源分配的操作； 步骤 208: 互操作解决功能体通过其他无线接入技术提供的隧道将资源 指配消息发送给终端；
该 lx 资源指配消息包括： 扩展信道指配消息 （Extended Channel Assignment )和 /或通用切换指示消息 ( Universal Handoff Direction )等。 步骤 209: 互操作解决功能体根据所述第一网络提供的信息构造来电通 知消息， 并将所述来电通知消息通过其他无线接入技术提供的隧道发送给终 端；
在其他实施例中， 也可先执行步骤 209, 再执行步骤 208, 或者同时发送 给终端。
步骤 210: 终端捕获 lx网络， 硬切换成功；
步骤 211 : 根据来电通知消息， 如果用户接收呼叫， 则终端发送连接消 息给 lx网络； 如果用户拒绝呼叫或无应答， 则终端发送释放消息给 lx网络。
实施例 2
如图 3所示， 釆用本发明方法二的基于 IWS和 1XBS分离配置的语音呼 叫被叫的处理流程， 包括以下步骤：
步骤 301 : 移动交换中心 （MSC )分别给互操作解决功能体（IWS )和 lx基站（BS )发送寻呼请求消息；
步骤 302: 互操作解决功能体通过其他无线接入技术（例如 LTE )提供 的隧道给终端发送寻呼消息；
步骤 303: 终端通过其他无线接入技术提供的隧道给互操作解决功能体 发送寻呼响应消息； 步骤 304: 互操作解决功能体将接收到的寻呼响应消息发送给移动交换 中心；
步骤 305: 移动交换中心向互操作解决功能体发送指配请求消息； 步骤 306: 互操作解决功能体向移动交换中心发送指配完成消息； 步骤 307: 互操作解决功能体与 lx网络间进行硬切换资源分配的操作； 此步骤同时可以包括主叫号码信息在 lx网络的传递；
步骤 308: 互操作解决功能体通过其他无线接入技术提供的隧道将资源 指配消息发送给终端；
步骤 309: 终端捕获 lx网络， 硬切换成功； 步骤 310: lx基站将来电通知消息发送给终端； 此步骤中 lx基站可以自 行构造来电通知消息或者接收来自移动交换中心的来电通知消息；
步骤 311 : 根据来电通知消息， 如果用户接收呼叫， 则终端发送连接消 息给 lx网络； 如果用户拒绝呼叫或无应答， 则终端发送释放消息给 lx网络。
实施例 3
如图 4所示， 釆用本发明方法三的基于 IWS和 1XBS分离配置的语音呼 叫被叫的处理流程， 包括以下步骤：
步骤 401 : 移动交换中心 （MSC )分别给互操作解决功能体（IWS )和 lx基站（BS )发送寻呼请求消息；
步骤 402: 互操作解决功能体通过其他无线接入技术（例如 LTE )提供 的隧道给终端发送寻呼消息；
步骤 403: 终端通过其他无线接入技术提供的隧道给互操作解决功能体 发送寻呼响应消息； 步骤 404: 互操作解决功能体将接收到的寻呼响应消息发送给移动交换 中心；
步骤 405: 移动交换中心向互操作解决功能体发送指配请求消息； 步骤 406: 互操作解决功能体向移动交换中心发送指配完成消息； 步骤 407: 互操作解决功能体通过其他无线接入技术提供的隧道将来电 通知消息发送给终端；
在其他实施例中， 步骤 406和 407也可同时完成， 即互操作解决功能体 同时向移动交换中心和终端发送消息。
步骤 408: 根据来电通知消息， 如果用户接收呼叫， 则终端发送连接消 息给互操作解决功能体； 如果用户拒绝呼叫或无应答， 则终端发送释放消息 给互操作解决功能体；
步骤 409: 互操作解决功能体接收到终端拒绝呼叫或无应答的响应消息， 则发送拒绝消息或释放消息给移动交换中心， 启动呼叫释放流程； 步骤 410: 互操作解决功能体收到终端接收呼叫的应答消息 （即连接消 息）后， 则启动硬切换资源分配流程， 与 lx网络间进行硬切换资源分配的操 作；
步骤 411 : 互操作解决功能体通过其他无线接入技术提供的隧道将资源 指配消息发送给终端；
步骤 412: 终端捕获 lx网络， 硬切换成功；
所述终端捕获到 lx网络后， 网络中的 MSC会将终端捕获成功的消息发 送给互操作解决功能体。
步骤 413: 互操作解决功能体收到移动交换中心发送的硬切换成功消息， 则将终端接收呼叫的应答消息转发给移动交换中心。
实施例 4
如图 5所示， 结合本发明方法一和方法二的基于 IWS和 lxBS合一配置 的语音呼叫被叫的处理流程， 包括以下步骤：
步骤 501 : 移动交换中心（MSC )向 lx基站（IWS-lxBS )发送寻呼请求 消息；
步骤 502: lx基站通过其他无线接入技术 (例如 LTE )提供的隧道给终 端发送寻呼消息；
步骤 503: 终端通过其他无线接入技术提供的隧道给 lx基站发送寻呼响 应消息；
步骤 504: lx基站将接收到的寻呼响应消息发送给移动交换中心； 步骤 505: 移动交换中心给 lx基站发送指配请求消息；
步骤 506: lx基站通过其他无线接入技术提供的隧道将资源指配消息发 送给终端；
步骤 507: 终端捕获 lx网络并通知 lx基站；
步骤 508: lx基站给移动交换中心发送指配完成消息；
步骤 509: lx基站将来电通知消息发送给终端； 步骤 510: 根据来电通知消息， 如果用户接收呼叫， 则终端发送连接消 息给 lx网络； 如果用户拒绝呼叫或无应答， 则终端发送释放消息给 lx网络。
实施例 5
如图 6所示， 釆用本发明方法三的基于 IWS和 lxBS合一配置的语音呼 叫被叫的处理流程， 包括以下步骤：
步骤 601 : 移动交换中心（MSC )给 lx基站（IWS-lxBS )发送寻呼请求 消息；
步骤 602: lx基站通过其他无线接入技术 (例如 LTE )提供的隧道给终 端发送寻呼消息；
步骤 603: 终端通过其他无线接入技术提供的隧道给 lx基站发送寻呼响 应消息；
步骤 604: lx基站将接收到的寻呼响应消息发送给移动交换中心； 步骤 605: 移动交换中心给 lx基站发送指配请求消息；
步骤 606: lx基站给移动交换中心发送指配完成消息；
步骤 607: lx基站将来电通知消息发送给终端；
步骤 608: 根据来电通知消息， 如果用户接收呼叫， 则终端发送连接消 息给 lx网络； 如果用户拒绝呼叫或无应答， 则终端发送释放消息给 lx基站； 步骤 609: lx基站接收到终端拒绝呼叫或无应答的响应消息， 则发送拒 绝消息或释放消息给移动交换中心， 启动呼叫释放流程；
步骤 610: lx基站收到终端接收呼叫的应答消息， 则进行资源分配的操 作， lx基站通过其他无线接入技术提供的隧道将资源指配消息发送给终端； 步骤 611 : 终端捕获 lx网络并通知 lx基站；
步骤 612: lx基站获知终端成功捕获 lx网络， 则将终端接收呼叫的应答 消息转发给移动交换中心。
实施例 6 实现上述实施例 1、 2、 4的语音呼叫被叫建立装置包括：
资源分配单元， 其用于在语音呼叫被呼建立过程中， 完成资源分配， 或 者与所述第一网络完成资源分配；
消息发送单元， 其用于通过所述第二网络提供的隧道向所述被叫终端发 送第一网络的资源指配消息和 /或来电通知消息。
实施例 7
实现上述实施例 3、 5的语音呼叫被叫建立装置包括：
消息发送单元， 其用于在语音呼叫被呼建立过程中， 通过第二网络提供 的隧道向被叫终端发送寻呼消息， 将所述被叫终端返回的寻呼响应消息发送 至所述第一网络， 并通过所述第二网络提供的隧道向所述被叫终端发送来电 通知消息； 以及在所述接收单元接收到所述被叫终端成功捕获到第一网络的 消息后，将所述被叫终端接受本次语音呼叫的应答消息发送给所述第一网络， 完成被呼的建立；
消息接收单元， 其用于接收所述被叫终端返回的寻呼响应消息， 接收所 述被叫终端接受本次语音呼叫的应答消息； 接收所述被叫终端成功捕获到第 一网络的消息；
资源分配单元， 其用于在接收到所述被叫终端接受本次语音呼叫的应答 消息后， 启动与所述第一网络的资源分配过程， 并指示所述被叫终端捕获第 一网络。
实施例 8
实现上述方法的系统包括第一网络、 第二网络以及互操作功能体， 其中 第一网络釆用第一无线接入技术， 为码分多址 lx接入技术， 第二网络釆用第 二无线接入技术。
第二网络主要用于为第一网络中的语音呼叫提供消息隧道； 互操作功能 体主要用于根据需求选择在不同的时机通过第二网络提供的隧道向被叫终端 发送寻呼请求、 来电通知、 资源指配等消息。 具体操作参见上述实施例。 当然， 本发明还可有其他多种实施例， 在不背离本发明精神及其实质的 但这些相应的改变和变形都应属于本发明所附的权利要求的保护范围。
工业实用性
本发明适用于两种无线接入技术互操作的场景， 针对方案一和方案二， 通过先分配资源后发送来电信息的方式， 一旦用户选择接听呼叫， 就可以立 即进行通话， 而不必等待资源建立， 从而提升用户体验。 针对方案三， 通过 在给终端分配资源前让用户根据来电信息选择是否接收呼叫， 如果用户接受 呼叫才启动资源分配， 如果用户拒绝呼叫或无应答， 则不启动资源分配， 可 以提高资源分配和使用效率， 同时这种处理过程在用户拒绝呼叫或无应答时 由于相应的消息均通过隧道传输不会造成 LTE业务的中断。 综上， 本发明为 不同的需求提供相应的解决方案。

Claims

权 利 要 求 书
1、一种语音呼叫被呼建立方法，适用于两种无线接入技术互操作的场景， 釆用第一无线接入技术的网络为第一网络， 釆用第二无线接入技术的网络为 第二网络， 所述第一无线接入技术为码分多址 lx接入技术， 所述方法包括： 在语音呼叫被呼建立过程中， 互操作解决功能体（IWS )与第一网络成 功完成资源分配后， 所述 IWS通过第二网络提供的隧道向被叫终端发送第一 网络的资源指配消息和来电通知消息。
2、 如权利要求 1所述的方法， 其中，
所述 IWS 向被叫终端发送第一网络的资源指配消息和来电通知消息是 指： 所述 IWS先发送所述第一网络的资源指配消息， 后发送所述来电通知消 息； 或者所述 IWS同时发送所述第一网络的资源指配消息和来电通知消息。
3、 如权利要求 1或 2所述的方法， 其中，
所述的第一网络的资源指配消息包括： 扩展信道指配消息和 /或通用切换 指示消息。
4、 如权利要求 1或 2所述的方法， 其中，
所述来电通知消息包括： 特性通知消息或警戒信息消息。
5、一种语音呼叫被呼建立方法，适用于两种无线接入技术互操作的场景， 釆用第一无线接入技术的网络为第一网络， 釆用第二无线接入技术的网络为 第二网络， 所述第一无线接入技术为码分多址 lx接入技术， 所述方法包括： 在语音呼叫被呼建立过程中， 互操作解决功能体（IWS )与第一网络成 功完成资源分配后， 所述 IWS通过第二网络提供的隧道向被叫终端发送第一 网络的资源指配消息； 所述第一网络接收到所述被叫终端成功捕获本网络的 消息后， 向所述被叫终端发送来电通知消息。
6、 如权利要求 5所述的方法， 其中，
所述的第一网络的资源指配消息包括： 扩展信道指配消息和 /或通用切换 指示消息。
7、 如权利要求 5所述的方法， 其中，
所述来电通知消息包括： 特性通知消息或警戒信息消息。
8、一种语音呼叫被呼建立方法，适用于两种无线接入技术互操作的场景， 釆用第一无线接入技术的网络为第一网络， 釆用第二无线接入技术的网络为 第二网络， 所述第一无线接入技术为码分多址 lx接入技术， 所述方法包括： 在语音呼叫被呼建立过程中， 互操作功能体通过第二网络提供的隧道向 被叫终端发送寻呼消息， 所述互操作功能体收到所述被叫终端的寻呼响应消 息后， 通知所述第一网络； 所述互操作功能体根据第一网络提供的信息通过 所述第二网络提供的隧道向所述被叫终端发送来电通知消息； 所述互操作功 能体在接收到所述被叫终端接受本次语音呼叫的应答消息后， 启动与第一网 络的资源分配过程， 并通过第二网络提供的隧道向被叫终端发送第一网络的 资源指配消息； 所述互操作功能体在获知所述被叫终端成功捕获到第一网络 后， 将所述被叫终端接受本次语音呼叫的应答消息发送给所述第一网络。
9、 如权利要求 8所述的方法， 其中， 所述方法还包括：
所述互操作功能体在接收到所述被叫终端拒绝本次语音呼叫的应答消息 或未收到所述被叫终端的应答消息时， 向所述第一网络发送拒绝消息或释放 消息， 启动呼叫释放流程。
10、 如权利要求 8所述的方法， 其中，
所述来电通知消息包括： 特性通知消息或警戒信息消息。
11、 如权利要求 8或 9所述的方法， 其中，
所述互操作功能体包括： 互操作解决功能体（IWS ) ， 或者互操作解决 功能体（IWS )与第一网络的基站的合一配置体。
12、 一种语音呼叫被呼建立方法， 适用于两种无线接入技术互操作的场 景， 釆用第一无线接入技术的网络为第一网络， 釆用第二无线接入技术的网 络为第二网络， 所述第一无线接入技术为码分多址 lx接入技术， 所述方法包 括：
在语音呼叫被呼建立过程中， 互操作功能体成功完成资源分配后， 通过 第二网络提供的隧道向被叫终端发送第一网络的资源指配消息； 所述互操作 功能体接收到所述被叫终端成功捕获到所述第一网络的消息后， 向所述被叫 终端发送来电通知消息。
13、 如权利要求 12所述的方法， 其中， 所述互操作功能体包括： 互操作解决功能体（IWS )与第一网络的基站 的合一配置体。
14、 一种语音呼叫被叫建立装置， 适用于两种无线接入技术互操作的场 景， 釆用第一无线接入技术的网络为第一网络， 釆用第二无线接入技术的网 络为第二网络， 所述第一无线接入技术为码分多址 lx接入技术， 所述装置分 别与所述第一网络和第二网络相连， 所述装置包括：
资源分配单元， 其设置为： 在语音呼叫被呼建立过程中， 完成资源分配， 或者与所述第一网络完成资源分配； 以及
消息发送单元， 其设置为： 通过所述第二网络提供的隧道向所述被叫终 端发送第一网络的资源指配消息和 /或来电通知消息。
15、 一种语音呼叫被叫建立装置， 适用于两种无线接入技术互操作的场 景， 釆用第一无线接入技术的网络为第一网络， 釆用第二无线接入技术的网 络为第二网络， 所述第一无线接入技术为码分多址 lx接入技术， 所述装置分 别与所述第一网络和第二网络相连， 所述装置包括：
消息发送单元， 其设置为： 在语音呼叫被呼建立过程中， 通过第二网络 提供的隧道向被叫终端发送寻呼消息， 将所述被叫终端的寻呼响应消息发送 至所述第一网络， 并通过所述第二网络提供的隧道向所述被叫终端发送来电 通知消息； 以及在所述接收单元接收到所述被叫终端成功捕获到第一网络的 消息后，将所述被叫终端接受本次语音呼叫的应答消息发送给所述第一网络， 完成被呼的建立；
消息接收单元， 其设置为： 接收所述被叫终端的寻呼响应消息， 接收所 述被叫终端接受本次语音呼叫的应答消息； 接收所述被叫终端成功捕获到第 一网络的消息； 以及
资源分配单元， 其设置为： 在接收到所述被叫终端接受本次语音呼叫的 应答消息后， 启动与所述第一网络的资源分配过程， 并指示所述被叫终端捕 获第一网络。
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