WO2012059045A1 - Mah/fa回叫的处理方法及系统 - Google Patents

Mah/fa回叫的处理方法及系统 Download PDF

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Publication number
WO2012059045A1
WO2012059045A1 PCT/CN2011/081653 CN2011081653W WO2012059045A1 WO 2012059045 A1 WO2012059045 A1 WO 2012059045A1 CN 2011081653 W CN2011081653 W CN 2011081653W WO 2012059045 A1 WO2012059045 A1 WO 2012059045A1
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Prior art keywords
mah
hlr
msc
route
callback
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PCT/CN2011/081653
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English (en)
French (fr)
Inventor
张振华
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中兴通讯股份有限公司
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Publication of WO2012059045A1 publication Critical patent/WO2012059045A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/02Processing 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/42195Arrangements for calling back a calling subscriber
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W68/00User notification, e.g. alerting and paging, for incoming communication, change of service or the like

Definitions

  • the present invention relates to the field of communications, and in particular to a method and system for processing a MAH/FA callback.
  • MAH Mobile Access Hunting
  • FA Flexible Alerting
  • MAH/FA callback means: The MAH/FA group member calls this group, and the member's telephone number (Directory Number, DN for short) is the pilot number of this group (Pilot Directory Number).
  • ANSI-41D protocol where ANSI is the American National Standard Institute, BP, American National Standards Institute, using the Revertive Call trigger in the Origination Triggers to implement MAH/FA callbacks.
  • the Home Location Register (HLR) will sign the Revertive Call trigger to the user.
  • the Mobile Switching Center (MSC) will send the initial call if it determines that the number dialed by the user is the same as its own number and the user is found to have signed the Revertive Call trigger.
  • the request (Origination Request, or ORREQ) message to the HLR to which the user belongs carries the called number, the mobile identification number (MIN) of the calling user, and the transaction capability of the calling MSC (Transaction Capability)
  • the HLR processes the MAH/FA according to the user subscription: For the MAH service, the HLR returns the routing information of the next number of the pilot number in the group to the calling MSC; for the FA service, the HLR will group Routing information for other numbers than the pilot number is returned to the calling MSC. Then the MSC completes the voice connection according to the obtained routing information.
  • FIG. 1 is a system structure diagram for implementing a MAH/FA callback function according to the related art, wherein an MSC, a Visitor Location Register (VLR), an HLR, and an Authentication Center (AUC) are used. It is the standard network element of the N07 system core network.
  • the MSC is responsible for calling and connecting users.
  • the VLR temporarily stores the user's subscription information.
  • the HLR permanently saves the user's subscription information and saves the user's location information in real time.
  • the terminal accesses the core network system through the wireless network, and the core network element MSC, VLR and HLR communicate through the N07 signaling network.
  • the related art uses the above system for MAH/FA callback service.
  • the MAH/FA callback service in the related art will be described in detail below.
  • Step S202 User A dials the number DN, and the mobile terminal initiates a call request operation to the core network.
  • ORREQ Origination Request
  • Step S206 after receiving the start call request message, the HLR finds that the DN is the MAH pilot number, and then sends the DN1 number route to the MSC_A through the origin call request response.
  • the paging DN1 fails.
  • Step S212, the MSC A requests the next MAH member from the HLR by using a TransferToNumber Request (TranNumReq).
  • Step S214 the HLR determines that DN2 is currently registered in VLR_B, and then sends a routing request (RoutReq) to VLR_B.
  • Step S216 the VLR B sends a routing request to the MSC_B.
  • Step S218, MSC_B finds that the DN2 user is currently idle, and then allocates a Temporary Local Directory Number (TLDN) 1, and sends it to VLR_B through a route request response.
  • the VLR B returns a route request response message with TLDN1 to the HLR.
  • the HLR returns a redirected number request response message with TLDN1 to MSC_A.
  • MSC A and MSC_B establish a voice channel through TLDN1.
  • Step S226, the call is established, and the MAH service is successful.
  • the related technology implements the MAH callback service.
  • FIG. 3 is a flowchart of a FA callback according to the related art. As shown in FIG. 3, the flow includes the following steps S302 to S328. In step S302, the user A dials the number DN, and the mobile terminal initiates a call request operation to the core network. Step S304, after receiving the call request message, the MSC_A finds that the calling and called numbers are consistent and the user signs a callback (Revertive Call) trigger, and then sends an Origination Request (ORREQ) operation to the HLR.
  • step S302 the user A dials the number DN, and the mobile terminal initiates a call request operation to the core network.
  • Step S304 after receiving the call request message, the MSC_A finds that the calling and called numbers are consistent and the user signs a callback (Revertive Call) trigger, and then sends an Origination Request (ORREQ) operation to the HLR.
  • a callback Revertive Call
  • Step S306 After receiving the initial call request message, the HLR finds that the DN is the FA pilot number, and then starts to obtain the route of DN1 and DN2 (slightly DN), and sends a routing request (RoutReq) to the VLR_B where the DN1 is located.
  • Step S308 the VLR B sends a routing request to the MSC_B.
  • Step S310 the HLR sends a routing request to the VLR_B where the DN2 is located.
  • the VLR B sends a routing request to the MSC_B.
  • Step S316 the VLR B returns a route request response message with TLDN1 to the HLR.
  • step S320 the VLR B returns a route request response message with TLDN2 to the HLR.
  • step S322 the HLR brings TLDN1 and TLDN2 to the MSC_A through the Origination Request Response message.
  • Steps S324, S326, MSC_A connects the call to MSC_B through TLDN1 and TLDN2.
  • step S328 the call is successfully established, and the FA service ends. Through the above steps. Realized the callback of the FA business.
  • the above method implements MAH/FA callback, however, the inventors have found that when using the above method for MAH/FA callback, the user needs to sign a callback (Revertive Call) trigger at the HLR and the MSC must support the use of the callback. Call the trigger to handle the MAH/FA callback. In the actual application process, some MSCs do not support the use of callback triggers to handle MAH/FA callback. In this case, the MAH/FA callback service cannot be performed.
  • the present invention provides a MAH/FA callback processing scheme for the MAH/FA callback service if the MSC does not support the callback trigger.
  • a method for processing a MAH/FA callback includes: the MSC receives a call request, and sends a location query request message to the HLR; the HLR determines the calling number and the location of the location query request message.
  • the calling number is the same, and the called number is the MAH/FA pilot number and the member of the MAH/FA group; the HLR performs the callback processing of the MAH/FA service for the location query request message.
  • the callback processing of the MAH service by the HLR to the location query request message includes: the HLR sends a route of the next number of the called number in the MAH group to the MSC, so that the MSC uses the route of the next number to perform callback.
  • the HLR sends the route of the next number of the called number in the MAH group to the MSC.
  • the HLR sends the route of the next number to the MSC by using a location query request response.
  • the callback processing of the FA service by the HLR to the location query request message includes: the HLR sends a route of the number other than the called number in the FA group to the MSC, so that the MSC uses the route of the other number to perform callback.
  • the method before the HLR performs the callback processing of the MAH/FA service to the location query request message, the method further includes: acquiring, by the HLR, a route of the callback number corresponding to the location query request message.
  • a processing system for MAH/FA callback comprising: an MSC and an HLR, wherein the MSC is configured to receive a call request and send a location query request message to the HLR; the HLR includes: The determining module is configured to determine that the calling number and the called number of the location query request message are consistent, and the called number is a MAH/FA pilot number and a member of the MAH/FA group; and the processing module is configured to perform MAH on the location query request message.
  • the processing module is configured to send a route of the next number of the called number in the MAH group to the MSC, so that the MSC uses the route of the next number to perform callback.
  • the processing module is configured to send the route of the next number to the MSC through the location query request response.
  • the processing module is configured to send a route of the FA group other than the called number to the MSC, so that the MSC uses the route of the other number to perform the callback.
  • the HLR is further configured to obtain a route of the callback number corresponding to the location query request message.
  • the MSC sends a location query request message to the HLR after receiving the call, and then the HLR analyzes whether the call can implement the MAH/FA callback mode, and solves the related art if the user does not sign the contract or the MSC does not support back.
  • FIG. 1 is a system configuration diagram for implementing a MAH/FA callback function according to the related art
  • FIG. 2 is a flowchart of a MAH callback according to the related art
  • FIG. 3 is a flow of FA callback according to the related art.
  • Figure 4 is a flow chart of a method for processing MAH/FA callbacks according to an embodiment of the present invention.
  • Figure 5 is a flow chart of MAH callback according to an embodiment of the present invention;
  • Figure 6 is a FA back according to an embodiment of the present invention.
  • FIG. 7 is a structural block diagram of a processing system for MAH/FA callback according to an embodiment of the present invention.
  • FIG. 4 is a flowchart of a processing method of MAH/FA callback according to an embodiment of the present invention. As shown in FIG. 4, the method includes the following steps S402 to S406. Step S402, the MSC receives the call request, and sends a Location Request (LOCREQ) message to the HLR. Step S404, the HLR determines that the calling number and the called number of the location query request message are consistent, and the called number is a member of the MAH/FA guide number and the MAH/FA group.
  • LOCREQ Location Request
  • Step S406 the HLR performs a callback process of the MAH/FA service for the location query request message.
  • the MSC sends a location query request message to the HLR, and then the HLR analyzes whether the call can implement the MAH/FA callback. In this way, even if the user does not sign the callback trigger or the MSC.
  • the callback trigger is not supported, and the MAH/FA callback service can also be performed normally.
  • the MAH/FA callback process in the related art may be adopted. Since this has been described in detail in the background of the present invention, it will not be described herein.
  • the HLR can perform the callback processing of the MAH/FA service for the location query request message in different processing manners. Specifically, for the MAH service, the HLR sets the next number of the called number in the MAH group. The route is sent to the MSC, and then the MSC will use the route of the next number to call back. The HLR may use the location query request to send a route to the MSC in response to the next number. For the FA service, the HLR may send a route of the FA group other than the above called number to the MSC, and then the MSC uses the route of the other number to call back.
  • the HLR first obtains a route of the callback number corresponding to the location query request message, and then performs a callback process of the MAH/FA service for the location query request message. For example, for the MAH service, the HLR first obtains the route of the next number of the called number. For the FA service, the HLR first obtains a route of the FA group other than the above called number, and then acquires the route. Sent to the MSC.
  • the LOCREQ message is used to support the MAH/FA callback function, and the rest of the processing is common.
  • FIG. 5 is a flowchart of MAH callback according to an embodiment of the present invention. As shown in FIG.
  • the flow includes steps S502 to S526.
  • Step S502 the user A dials the number DN, and the mobile terminal initiates a call request operation to the core network.
  • Steps S504, 8. _ After receiving the call request message, initiate a location query request operation to the HLR.
  • Step S506 after receiving the location query request message, the HLR finds that the DN is the MAH pilot number and the calling and called numbers are consistent, and then sends the DN1 number route to the MSC_A through the location query request response.
  • step S510 paging DN1 fails.
  • Step S512 the MSC_A requests the next MAH member from the HLR by redirecting the number request.
  • step S514 the HLR determines that DN2 is currently registered in VLR_B, and then sends a routing request to VLR_B.
  • step S516 the VLR B sends a routing request to the MSC_B.
  • step S518, MSC_B finds that the user where DN2 is currently idle, then allocates TLDN1, and sends TLDN1 to VLR_B through a route request response.
  • step S520 the VLR B returns a route request response message carrying the TLDN1 to the HLR.
  • Step S522 the HLR returns a redirected number request response message carrying the TLDN1 to the MSC_A.
  • Step S524, MSC A and MSC_B establish a voice channel through TLDN1.
  • Step S526, the call is established, and the MAH service is successful.
  • Embodiment 3 In this embodiment, it is assumed that there are three members in the FA group: DN, DN1, DN2, where DN is both the FA pilot number and the member. User A's number is DN.
  • FIG. 6 is a flowchart of FA callback according to an embodiment of the present invention. As shown in FIG. 6, the flow includes the following steps S602 to S628. Step S602, the user A dials the number DN, and the mobile terminal initiates a call request operation to the core network. Steps S604, 8. _ After receiving the call request message, initiate a location query request operation to the HLR.
  • Step S606 after receiving the location query request message, the HLR finds that the DN is the FA pilot number and the calling and calling numbers are the same, and then starts to obtain the routes of DN1 and DN2 (skip the DN), and sends a routing request to the VLR_B where the DN1 is located.
  • Step S608 the VLR_B sends a routing request to the MSC_B.
  • Step S610 the HLR sends a routing request to the VLR_B where the DN2 is located.
  • Step S612 the VLR B sends a routing request to the MSC_B.
  • Step S614 MSC_B finds that the user where DN1 is currently idle, then allocates TLDN1, and brings TLDN1 to VLR_B through a route request response.
  • Step S616 the VLR B returns a route request response message carrying the TLDN1 to the HLR.
  • Step S618, MSC_B finds that the user where DN2 is currently idle, then allocates TLDN2, and sends TLDN2 to VLR_B through a route request response.
  • Step S620 the VLR B returns a route request response message carrying the TLDN2 to the HLR.
  • Step S622 the HLR brings TLDN1 and TLDN2 to the MSC_A through the location query request response message.
  • Steps S624, S626, MSC_A connects the call to MSC_B through TLDN1, TLDN2.
  • step S628 the call is successfully established, and the FA service ends.
  • the embodiment of the invention further provides a processing system for MAH/FA callback, which is used to implement the above method.
  • 7 is a structural block diagram of a processing system for MAH/FA callback according to an embodiment of the present invention. As shown in FIG. 7, the system includes: an MSC 72 and an HLR 74, wherein the MSC 72 is configured to receive a call request and to the HLR. 74.
  • the HLR 74 includes: a determination module 742, configured to determine a location query request message
  • the calling number is the same as the called number, and the called number is a member of the MAH/FA pilot number and the MAH/FA group.
  • the processing module 744 is coupled to the determining module 742, and configured to perform MAH/FA service on the location query request message. Callback processing.
  • the processing module 744 is arranged to send a route to the next number of the called number in the MAH group to the MSC 72 so that the MSC 72 uses the route of the next number to call back.
  • the processing module 744 is arranged to send the route of the next number to the MSC 72 via the location query request response.
  • the processing module 744 is arranged to send a route of the FA group other than the called number to the MSC 72, so that the MSC 72 uses the route of the other number to call back.
  • the HLR 74 is further configured to obtain a route of the callback number corresponding to the location query request message.
  • the embodiment of the present invention determines whether the received location query request message can implement the MAH/FA callback service in the HLR, so that the MSC version of the live network does not need to be upgraded (ie, the MSC does not need to support the callback trigger). , which enables smooth business upgrades and backward compatibility with existing features.
  • the embodiments of the present invention have the advantages of simple implementation and small impact on the performance of the existing system.
  • modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

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Abstract

本发明公开了一种MAH/FA回叫的处理方法及系统,其中,该方法包括:MSC接收到呼叫请求,向HLR发送位置查询请求消息;HLR确定位置查询请求消息的主叫号码和被叫号码一致,且被叫号码为MAH/FA引导号码和MAH/FA组的成员;HLR对位置查询请求消息进行MAH/FA业务的回叫处理。通过本发明,达到了即使用户没有签约或MSC不支持回叫触发器,MAH/FA回叫业务也能正常进行的效果。

Description

MAH/FA回叫的处理方法及系统 技术领域 本发明涉及通信领域, 具体而言, 涉及一种 MAH/FA回叫的处理方法及系统。 背景技术 MAH (Mobile Access Hunting) 即为移动寻线接入, FA (Flexible Alerting, 即, 灵活提醒) 即为用户群提示。 MAH/FA回叫是指: MAH/FA组成员呼叫这个组, 且这 个成员的电话号码(Directory Number,简称为 DN)是这个组的引导号码(Pilot Directory Number) 目前, 在 ANSI-41D协议中 (其中, ANSI为 American National Standard Institute, BP, 美国国家标准协会), 使用起呼触发器(Origination Triggers) 中的回叫 (Revertive Call)触发器来实现 MAH/FA回叫。 具体实现方法如下: 对于需要支持 MAH/FA回叫 的用户, 归属位置寄存器 (Home Location Register, 简称为 HLR) 会给该用户签约 Revertive Call触发器。 当该用户进行 MAH/FA回叫业务时, 移动交换中心 (Mobile Switching Center, 简称为 MSC)如果判断用户拨打的号码与其本身号码一致且发现该 用户签约了 Revertive Call触发器, 则会发送始呼请求 (Origination Request, 简称为 ORREQ) 消息到该用户归属的 HLR, 其中携带有被叫号码、 主叫用户的移动标识号 码 (Mobile Identification Number, 简称为 MIN)、 主叫 MSC的事务能力 (Transaction Capability)等参数, 然后, HLR根据该用户签约 MAH/FA分别进行处理: 对于 MAH 业务, HLR会将组内引导号码的下一个号码的路由信息返回给主叫 MSC; 对于 FA业 务, HLR会将组内除引导号码以外的其他号码的路由信息返回给主叫 MSC。然后 MSC 再根据获得的路由信息完成话路接续。 图 1是根据相关技术的实现 MAH/FA回叫功能的系统结构图, 其中, MSC、拜访 位置寄存器(Visitor Location Register,简称为 VLR)、 HLR和鉴权中心(Authentication Center, 简称为 AUC)都是 N07系统核心网的标准网元, MSC负责呼叫、 接续用户, VLR临时存储用户的签约信息, HLR永久保存用户的签约信息以及实时保存用户的位 置信息。 终端通过无线网络接入到核心网系统, 核心网网元 MSC、 VLR和 HLR之间 通过 N07信令网进行通讯。 相关技术使用上述系统进行 MAH/FA 回叫业务。 下面对相关技术中的 MAH/FA 回叫业务进行详细描述。 假设 MAH组中有三个成员: DN, DN1 , DN2, 其中, DN既是 MAH引导号码 又是成员。用户 A的号码为 DN。 图 2是根据相关技术的 MAH回叫的流程图, 如图 2 所示, 该方法包括如下的步骤 S202至步骤 S226。 步骤 S202, 用户 A拨打号码 DN, 手机终端向核心网发起呼叫请求操作。 步骤 S204, MSC_A收到呼叫请求消息后, 发现主被叫号码一致且该用户签约了 回叫 (Revertive Call)触发器, 则向 HLR发起始呼请求(Origination Request, 简称为 ORREQ) 操作。 步骤 S206, HLR收到始呼请求消息后, 发现 DN为 MAH引导号码, 于是, 将 DN1号码路由通过始呼请求响应发送给 MSC_A。 步骤 S208, 8。_ 开始寻呼 DN1。 步骤 S210, 寻呼 DN1失败。 步骤 S212, MSC A 通过改向号码请求 ( TransferToNumber Request, 简称为 TranNumReq) 向 HLR请求下一个 MAH成员。 步骤 S214, HLR判断 DN2 目前登记在 VLR_B, 于是向 VLR_B发送路由请求 (Routing Request, 简称为 RoutReq)。 步骤 S216, VLR B将路由请求发送给 MSC_B。 步骤 S218, MSC_B发现 DN2用户当前空闲, 于是分配临时本地号码(Temporary Local Directory Number, 简称为 TLDN) 1, 并通过路由请求响应将其发送给 VLR_B。 步骤 S220, VLR B将带有 TLDN1的路由请求响应消息返回给 HLR。 步骤 S222, HLR将带有 TLDN1的改向号码请求响应消息返回给 MSC_A。 步骤 S224, MSC A和 MSC_B通过 TLDN1建立话路。 步骤 S226, 呼叫建立, MAH业务成功。 通过上述步骤, 相关技术实现了 MAH回叫业务。 假设 FA组中有三个成员: DN, DNl , DN2, 其中 DN既是 FA引导号码又是成 员。 用户 A的号码为 DN。 图 3是根据相关技术的 FA回叫的流程图, 如图 3所示, 该流程包括如下的步骤 S302至步骤 S328。 步骤 S302, 用户 A拨打号码 DN, 手机终端向核心网发起呼叫请求操作。 步骤 S304, MSC_A收到呼叫请求消息后, 发现主被叫号码一致且该用户签约了 回叫 (Revertive Call)触发器, 则向 HLR发起始呼请求(Origination Request, 简称为 ORREQ) 操作。 步骤 S306, HLR收到始呼请求消息后, 发现 DN为 FA引导号码, 于是开始获取 DN1和 DN2的路由(略过 DN),向 DN1所在的 VLR_B发送路由请求(Routing Request, 简称为 RoutReq)。 步骤 S308, VLR B向 MSC_B发送路由请求。 步骤 S310, HLR向 DN2所在的 VLR_B发送路由请求。 步骤 S312, VLR B向 MSC_B发送路由请求。 步骤 S314, MSC_B发现 DNl用户当前空闲, 于是分配 TLDN1 , 并通过路由请 求响应将其发送给 VLR_B。 步骤 S316, VLR B将带有 TLDN1的路由请求响应消息返回给 HLR。 步骤 S318, MSC_B发现 DN2用户当前空闲, 于是分配 TLDN2, 并通过路由请 求响应将其发送给 VLR_B。 步骤 S320, VLR B将带有 TLDN2的路由请求响应消息返回给 HLR。 步骤 S322, HLR将 TLDN1和 TLDN2通过始呼请求响应消息带给 MSC_A。 步骤 S324、 S326, MSC_A通过 TLDN1、 TLDN2将呼叫接续到 MSC_B。 步骤 S328, 呼叫成功建立, FA业务结束。 通过上述步骤。 实现了 FA业务的回叫。 上述方法实现了 MAH/FA回叫, 但是, 发明人发现, 使用上述方法进行 MAH/FA 回叫时, 用户需要在 HLR签约回叫 (Revertive Call) 触发器且 MSC必须支持使用回 叫触发器处理 MAH/FA回叫。 而在实际应用过程中, 有些 MSC是不支持使用回叫触 发器处理 MAH/FA回叫的, 在这种情况下, MAH/FA回叫业务无法进行。 发明内容 针对相关技术中如果 MSC不支持回叫触发器则无法进行 MAH/FA回叫业务的问 题, 本发明提供了一种 MAH/FA回叫的处理方案。 根据本发明的一个方面, 提供了一种 MAH/FA 回叫的处理方法, 该方法包括: MSC接收到呼叫请求, 向 HLR发送位置查询请求消息; HLR确定位置查询请求消息 的主叫号码和被叫号码一致, 且被叫号码为 MAH/FA引导号码和 MAH/FA组的成员; HLR对位置查询请求消息进行 MAH/FA业务的回叫处理。 优选地, HLR对位置查询请求消息进行 MAH业务的回叫处理包括: HLR将 MAH 组中被叫号码的下一个号码的路由发送给 MSC, 以便 MSC使用下一个号码的路由进 行回叫。 优选地, HLR将 MAH组中被叫号码的下一个号码的路由发送给 MSC包括: HLR 将下一个号码的路由通过位置查询请求响应发送给 MSC。 优选地, HLR对位置查询请求消息进行 FA业务的回叫处理包括: HLR将 FA组 中除被叫号码以外的其他号码的路由发送给 MSC, 以便 MSC使用其他号码的路由进 行回叫。 优选地, 在 HLR对位置查询请求消息进行 MAH/FA业务的回叫处理之前, 方法 还包括: HLR获取位置查询请求消息对应的回叫号码的路由。 根据本发明的另一个方面, 提供了一种 MAH/FA回叫的处理系统, 该系统包括: MSC和 HLR, 其中, MSC设置为接收呼叫请求, 并向 HLR发送位置查询请求消息; HLR包括: 确定模块, 设置为确定位置查询请求消息的主叫号码和被叫号码一致, 且 被叫号码为 MAH/FA引导号码和 MAH/FA组的成员; 处理模块, 设置为对位置查询 请求消息进行 MAH/FA业务的回叫处理。 优选地,处理模块设置为将 MAH组中被叫号码的下一个号码的路由发送给 MSC, 以便 MSC使用下一个号码的路由进行回叫。 优选地, 处理模块设置为将下一个号码的路由通过位置查询请求响应发送给 MSC。 优选地, 处理模块设置为将 FA 组中除被叫号码以外的其他号码的路由发送给 MSC, 以便 MSC使用其他号码的路由进行回叫。 优选地, HLR还设置为获取位置查询请求消息对应的回叫号码的路由。 通过本发明, 采用 MSC在接到呼叫后向 HLR发送位置查询请求消息, 再由 HLR 分析该呼叫是否能够实现 MAH/FA回叫的方式,解决了相关技术中如果用户没有签约 或 MSC不支持回叫触发器则无法进行 MAH/FA回叫业务的问题, 进而达到了即使用 户没有签约或 MSC不支持回叫触发器, MAH/FA回叫业务也能正常进行的效果。 附图说明 此处所说明的附图用来提供对本发明的进一步理解, 构成本申请的一部分, 本发 明的示意性实施例及其说明用于解释本发明, 并不构成对本发明的不当限定。 在附图 中: 图 1是根据相关技术的实现 MAH/FA回叫功能的系统结构图; 图 2是根据相关技术的 MAH回叫的流程图; 图 3是根据相关技术的 FA回叫的流程图; 图 4是根据本发明实施例的 MAH/FA回叫的处理方法的流程图; 图 5是根据本发明实施例的 MAH回叫的流程图; 图 6是根据本发明实施例的 FA回叫的流程图; 图 7是根据本发明实施例的 MAH/FA回叫的处理系统的结构框图。 具体实施方式 下文中将参考附图并结合实施例来详细说明本发明。 需要说明的是, 在不冲突的 情况下, 本申请中的实施例及实施例中的特征可以相互组合。 本发明实施例仍采用图 1所示的系统架构, 这样, 本发明实施例能够在不改变系 统架构的前提下获得较好的回叫效果。 实施例一 本发明实施例提供了一种 MAH/FA回叫的处理方法。图 4是根据本发明实施例的 MAH/FA回叫的处理方法的流程图, 如图 4所示, 该方法包括如下的步骤 S402至步 骤 S406。 步骤 S402, MSC接收到呼叫请求, 向 HLR发送位置查询请求(Location Request, 简称 LOCREQ) 消息。 步骤 S404, HLR确定该位置查询请求消息的主叫号码和被叫号码一致,且该被叫 号码为 MAH/FA弓 I导号码和 MAH/FA组的成员。 步骤 S406, HLR对该位置查询请求消息进行 MAH/FA业务的回叫处理。 本实施例中, MSC在接到呼叫后会向 HLR发送位置查询请求消息, 再由 HLR分 析该呼叫是否能够实现 MAH/FA回叫, 通过这样的方式, 即使用户没有签约回叫触发 器或 MSC不支持回叫触发器, MAH/FA回叫业务也能正常进行。 需要注意的是, 在步骤 S406之后, 即可采用相关技术中的 MAH/FA回叫流程, 由于在本发明背景技术中已对此进行了详细描述, 因此, 此处不再赘述。 对于 MAH和 FA业务, HLR对位置查询请求消息进行 MAH/FA业务的回叫处理 可以采用不同的处理方式, 具体地: 对于 MAH业务, HLR将 MAH组中的上述被叫号码的下一个号码的路由发送给 MSC, 然后, MSC会使用下一个号码的路由进行回叫。 其中, HLR可以使用位置查 询请求响应发送下一个号码的路由给 MSC。 对于 FA业务, HLR可以将 FA组中除上述被叫号码以外的其他号码的路由发送 给 MSC, 然后, MSC使用上述其他号码的路由进行回叫。 优选地, HLR先获取位置查询请求消息对应的回叫号码的路由, 再对位置查询请 求消息进行 MAH/FA业务的回叫处理。 例如, 对于 MAH业务, HLR先获取上述被叫 号码的下一个号码的路由, 对于 FA业务, HLR先获取将 FA组中除上述被叫号码以 外的其他号码的路由, 然后, 将获取到的路由发送给 MSC。 本实施例中使用 LOCREQ 消息支持 MAH/FA 回叫功能, 其余的处理与普通
MAH/FA流程一致, 从而减少了系统复杂度, 并且, 由于本实施例对现有流程改变较 小且使用的是现有的系统, 不会增加系统负荷, 对 HLR系统性能没有影响, 也不需要 MSC支持回叫触发器, 兼容现网 MSC设备, 同时兼容普通 MAH/FA业务, 因此, 具 有易于实现的优点, 是对协议实现方式的一个有益的补充。 实施例二 在本实施例中, 假设 MAH组中有三个成员: DN, DN1 , DN2, 其中, DN既是 MAH引导号码又是成员。 用户 A的号码为 DN。 图 5是根据本发明实施例的 MAH回叫的流程图, 如图 5所示, 该流程包括步骤 S502至步骤 S526。 步骤 S502, 用户 A拨打号码 DN, 手机终端向核心网发起呼叫请求操作。 步骤 S504, 8。_ 收到呼叫请求消息后, 向 HLR发起位置查询请求操作。 步骤 S506, HLR收到位置查询请求消息后, 发现 DN为 MAH引导号码且主被叫 号码一致, 于是将 DN1号码路由通过位置查询请求响应发送给 MSC_A。 步骤 S508, 8。_ 开始寻呼 DN1。 步骤 S510, 寻呼 DN1失败。 步骤 S512, MSC_A通过改向号码请求向 HLR请求下一个 MAH成员。 步骤 S514, HLR判断 DN2目前登记在 VLR_B, 于是向 VLR_B发送路由请求。 步骤 S516, VLR B将路由请求发送给 MSC_B。 步骤 S518, MSC_B发现 DN2所在用户当前空闲, 于是分配 TLDN1 , 并通过路 由请求响应将 TLDN1发送给 VLR_B。 步骤 S520, VLR B将携带有 TLDN1的路由请求响应消息返回给 HLR。 步骤 S522, HLR将携带有 TLDN1的改向号码请求响应消息返回给 MSC_A。 步骤 S524, MSC A和 MSC_B通过 TLDN1建立话路。 步骤 S526, 呼叫建立, MAH业务成功。 实施例三 在本实施例中, 假设 FA组中有三个成员: DN, DN1 , DN2, 其中, DN既是 FA 引导号码又是成员。 用户 A的号码为 DN。 图 6是根据本发明实施例的 FA回叫的流程图, 如图 6所示, 该流程包括如下步 骤 S602至步骤 S628。 步骤 S602, 用户 A拨打号码 DN, 手机终端向核心网发起呼叫请求操作。 步骤 S604, 8。_ 收到呼叫请求消息后, 向 HLR发起位置查询请求操作。 步骤 S606, HLR收到位置查询请求消息后, 发现 DN为 FA引导号码且主被叫号 码一致, 于是开始获取 DN1和 DN2的路由 (略过 DN), 向 DN1所在的 VLR_B发送 路由请求。 步骤 S608, VLR_B向 MSC_B发送路由请求。 步骤 S610, HLR向 DN2所在的 VLR_B发送路由请求。 步骤 S612, VLR B向 MSC_B发送路由请求。 步骤 S614, MSC_B发现 DN1所在用户当前空闲, 于是分配 TLDN1 , 并通过路 由请求响应将 TLDN1带给 VLR_B。 步骤 S616, VLR B将携带有 TLDN1的路由请求响应消息返回给 HLR。 步骤 S618, MSC_B发现 DN2所在用户当前空闲, 于是分配 TLDN2, 并通过路 由请求响应将 TLDN2发送给 VLR_B。 步骤 S620, VLR B将携带有 TLDN2的路由请求响应消息返回给 HLR。 步骤 S622, HLR将 TLDN1和 TLDN2通过位置查询请求响应消息带给 MSC_A。 步骤 S624、 S626, MSC_A通过 TLDN1、 TLDN2将呼叫接续到 MSC_B。 步骤 S628, 呼叫成功建立, FA业务结束。 本发明实施例还提供了一种 MAH/FA回叫的处理系统, 用于实现上述方法。 图 7是根据本发明实施例的 MAH/FA回叫的处理系统的结构框图, 如图 7所示, 该系统包括: MSC 72和 HLR 74, 其中, MSC 72设置为接收呼叫请求, 并向 HLR 74 发送位置查询请求消息; HLR 74包括: 确定模块 742, 设置为确定位置查询请求消息 的主叫号码和被叫号码一致, 且被叫号码为 MAH/FA引导号码和 MAH/FA组的成员; 处理模块 744, 耦合至确定模块 742, 设置为对位置查询请求消息进行 MAH/FA业务 的回叫处理。 优选地, 处理模块 744设置为将 MAH组中被叫号码的下一个号码的路由发送给 MSC 72, 以便 MSC 72使用下一个号码的路由进行回叫。 优选地, 处理模块 744设置为将下一个号码的路由通过位置查询请求响应发送给 MSC 72。 优选地, 处理模块 744设置为将 FA组中除被叫号码以外的其他号码的路由发送 给 MSC 72, 以便 MSC 72使用其他号码的路由进行回叫。 优选地, HLR 74还设置为获取位置查询请求消息对应的回叫号码的路由。 综上所述,本发明实施例通过在 HLR中判断接收到的位置查询请求消息是否能够 实现 MAH/FA回叫业务, 从而无需对现网中 MSC版本升级(即, 无需使 MSC支持回 叫触发器), 实现了业务平滑升级, 并对现有功能可以向后兼容。 同时, 本发明实施例 具有实现简洁, 对现有系统性能影响小的优点。 显然, 本领域的技术人员应该明白, 上述的本发明的各模块或各步骤可以用通用 的计算装置来实现, 它们可以集中在单个的计算装置上, 或者分布在多个计算装置所 组成的网络上, 可选地, 它们可以用计算装置可执行的程序代码来实现, 从而, 可以 将它们存储在存储装置中由计算装置来执行, 并且在某些情况下, 可以以不同于此处 的顺序执行所示出或描述的步骤, 或者将它们分别制作成各个集成电路模块, 或者将 它们中的多个模块或步骤制作成单个集成电路模块来实现。 这样, 本发明不限制于任 何特定的硬件和软件结合。 以上所述仅为本发明的优选实施例而已, 并不用于限制本发明, 对于本领域的技 术人员来说, 本发明可以有各种更改和变化。 凡在本发明的精神和原则之内, 所作的 任何修改、 等同替换、 改进等, 均应包含在本发明的保护范围之内。

Claims

权 利 要 求 书
1. 一种移动寻线接入 MAH/灵活提醒 FA回叫的处理方法, 包括:
移动交换中心 MSC接收到呼叫请求, 向归属位置寄存器 HLR发送位置查 询请求消息;
所述 HLR确定所述位置查询请求消息的主叫号码和被叫号码一致,且所述 被叫号码为 MAH/FA引导号码和 MAH/FA组的成员;
所述 HLR对所述位置查询请求消息进行 MAH/FA业务的回叫处理。
2. 根据权利要求 1所述的方法, 其中, 所述 HLR对所述位置查询请求消息进行 MAH业务的回叫处理包括:
所述 HLR将所述 MAH组中所述被叫号码的下一个号码的路由发送给所述 MSC, 以便所述 MSC使用所述下一个号码的路由进行回叫。
3. 根据权利要求 2所述的方法, 其中, 所述 HLR将所述 MAH组中所述被叫号码 的下一个号码的路由发送给所述 MSC包括:
所述 HLR将所述下一个号码的路由通过位置查询请求响应发送给所述 MSC。
4. 根据权利要求 1所述的方法, 其中, 所述 HLR对所述位置查询请求消息进行 FA业务的回叫处理包括:
所述 HLR将所述 FA组中除所述被叫号码以外的其他号码的路由发送给所 述 MSC, 以便所述 MSC使用所述其他号码的路由进行回叫。
5. 根据权利要求 1至 4中任一项所述的方法,其中,在所述 HLR对所述位置查询 请求消息进行 MAH/FA业务的回叫处理之前, 所述方法还包括:
所述 HLR获取所述位置查询请求消息对应的回叫号码的路由。
6. 一种移动寻线接入 MAH/灵活提醒 FA回叫的处理系统, 包括: 移动交换中心 MSC和归属位置寄存器 HLR, 其中,
所述 MSC设置为接收呼叫请求, 并向所述 HLR发送位置查询请求消息; 所述 HLR包括: 确定模块,设置为确定所述位置查询请求消息的主叫号码和被叫号码一致, 且所述被叫号码为 MAH/FA引导号码和 MAH/FA组的成员;
处理模块, 设置为对所述位置查询请求消息进行 MAH/FA业务的回叫处 理。 根据权利要求 6所述的系统, 其中, 所述处理模块设置为将所述 MAH组中所 述被叫号码的下一个号码的路由发送给所述 MSC, 以便所述 MSC使用所述下 一个号码的路由进行回叫。 根据权利要求 7所述的系统, 其中, 所述处理模块设置为将所述下一个号码的 路由通过位置查询请求响应发送给所述 MSC。 根据权利要求 6所述的系统, 其中, 所述处理模块设置为将所述 FA组中除所 述被叫号码以外的其他号码的路由发送给所述 MSC, 以便所述 MSC使用所述 其他号码的路由进行回叫。 根据权利要求 6至 9中任一项所述的系统,其中,所述 HLR还设置为获取所述 位置查询请求消息对应的回叫号码的路由。
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