CN108156639A - Method and device for returning voice service to long-term evolution network after handover - Google Patents

Method and device for returning voice service to long-term evolution network after handover Download PDF

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CN108156639A
CN108156639A CN 201611109945 CN201611109945A CN108156639A CN 108156639 A CN108156639 A CN 108156639A CN 201611109945 CN201611109945 CN 201611109945 CN 201611109945 A CN201611109945 A CN 201611109945A CN 108156639 A CN108156639 A CN 108156639A
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message
controller
mobile switching
handover
request
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CN 201611109945
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Chinese (zh)
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李方向
贾毅刚
孙联峰
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华为技术有限公司
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATIONS NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/08Reselecting an access point
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATIONS NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/14Reselecting a network or an air interface

Abstract

The invention discloses a method and device for returning a voice service to a long-term evolution network after handover. The method comprises the steps that: a first mobile switching centre receivesa first message sent by a second mobile switching centre; the first message carries circuit switched domain fallback CSFB indication cell; the first mobile switching centre is a target mobile switching centre in handover; the second mobile switching centre is a source mobile switching centre in handover; when a voice service is ended, the first mobile switching centre sends a second message carrying the CSFB indication cell to a controller; and the CSFB indication cell is used for indicating the controller to return a CSFB service to the long-term evolution network. The technical scheme provided in the invention has good user experience.

Description

语音业务在切换后返回长期演进网络的方法及装置 Voice service return long-term evolution of the network after switching method and apparatus

技术领域 FIELD

[0001]本申请涉及通信领域,尤其涉及一种语音业务在切换后返回长期演进网络的方法及装置。 [0001] The present application relates to the field of communications, particularly to a method and an apparatus for voice service the LTE network returns after the handover.

背景技术 Background technique

[0002]移动网络中,用户的语音业务从占用一个无线信道到占用另一个无线信道,从占用一个无线信道到另一个无线先到的过程称为切换(英文:hand〇Ver)。 [0002] In a mobile network, the user's voice from occupying a radio channel to another radio channel occupancy, from occupying a radio channel to another is called handover radio First (English: hand〇Ver). 切换可以在一个移动交换中心(英文:mobile switching center,MSC)内实现,也可以跨MSC实现。 Switching a mobile switching center may be: the implement (English mobile switching center, MSC), inter-MSC can be implemented. 当切换跨MSC实现切换后,再次跨MSC实现切换,则将再次跨MSC称为后续切换。 When switching to achieve inter-MSC handover, again to achieve inter-MSC handover, it will be referred to again subsequent inter-MSC handover. 移动网络发展到4G,首先部署长期演进(英文:long term evolution,LTE)网络提供数据业务,语音业务通过电路域回落语音(英文:circuit switched domain fallback,CSFB)回落到CS (英文:circuit switched)域进行。 Mobile network development to 4G, the first to deploy Long Term Evolution (English: long term evolution, LTE) network to provide data services, voice services fell a voice through the circuit domain (English: circuit switched domain fallback, CSFB) fell to CS (English: circuit switched) domain.

[0003] 在实现现有技术的方案中,发现现有技术存在如下技术问题: [0003] In the prior art embodiment implemented, there is a technical problem found in the prior art:

[0004] 现有的CSFB业务在跨MSC切换或后续切换后无法及时返回LTE网络,导致用户的体验度低。 [0004] The existing CSFB LTE network services can not be promptly returned after subsequent handover or inter-MSC handover, resulting in a low user experience.

发明内容 SUMMARY

[0005] 本申请提供一种语音业务在切换后返回长期演进网络的方法可以实现CSI^B业务在跨MSC切换或后续切换的快速返回LTE网络,提高了用户的体验度。 [0005] The present application provides a voice service returns the LTE network after the handover method may be implemented in the CSI ^ B quick return service inter-MSC handover or subsequent handover of the LTE network to improve the user experience.

[0006] 第一方面,提供一种语音业务在切换后返回长期演进网络的方法,所述方法包括: 第一移动交换中心接收第二移动交换中心发送的第一消息,所述第一消息携带电路域回落语音CSFB指示信元;所述第一消息为所述第二移动交换中心判断出接收到的第二控制器发送的切换消息未携带所述CSFB指示信元时发送的消息;所述第一移动交换中心为切换中的目标移动交换中心,所述第二移动交换中心为切换中的源移动交换中心;第一移动交换中心在语音业务结束时,向控制器发送携带有CSFB指示信元的第二消息,所述CSFB指示信元用于指示所述控制器将所述CSFB业务返回到长期演进网络。 [0006] In a first aspect, there is provided a voice service returns the LTE network after handover, the method comprising: a first mobile switching center receives a first message sent by a second mobile switching center, the first message carries CS domain voice down CSFB indication information element; the first message to the second mobile switching center determines that the handover message transmitted to the second controller receives the transmitted message does not carry the information element indicating when the CSFB; the the first mobile switching center to the handover target mobile switching center, the second mobile switching center to the handover source mobile switching center; a first mobile switching center at the end of the voice service, the controller sends a CSFB indication signal carrying meta second message, the CSFB indication information element for indicating the CSFB traffic controller returns to the long Term Evolution network.

[0007] 第一方面提供的技术方案在接收到的切换消息未携带所述CSFB指示信元时发送第二消息,并在第二消息携带从第一消息中的CSFB指示信元,以使得切换中的目标移动交换中心能够依据CSFB指示信元使得用户快速返回LTE网络,减少用户的等待返回LTE网络的时间,所以其具有用户体验度高的优点。 [0007] The first aspect of the aspect of transmitting a second message upon receiving the handover message is not carried CSFB indication cell, and a second message carrying the CSFB indication information from the first message element, so that the switching the target mobile switching center such that the user can be based on the quick return CSFB indication information element LTE network, reducing the user waiting time to return the LTE network, it has the advantage of a high degree of user experience.

[0008] 在一种可选的方案中,所述控制器具体为:无线网络控制器或基站控制器。 [0008] In an alternative embodiment, the controller is specifically: a radio network controller or base station controller.

[0009] 在另一种可选的方案中,如所述控制器为基站控制器,所述第一消息具体为:MAP 切换请求、初始地址消息、MAP前传接入信令请求或释放消息中的一个或任意组合;如所述控制器为无线网络控制器,所述第一消息具体为:MAP切换请求、MAP前传接入信令请求、 INVITE消息或BYE消息中的一个或任意组合。 [0009] In another alternative embodiment, the controller is a base station controller as the first message specifically: MAP handover request, an initial address message, the MAP before transfer or release the access signaling request message one or any combination thereof; as the controller is a radio network controller, the first message is a: MAP handover request, pass before the MAP signaling access request, the INVITE message or the BYE message or in any combination.

[0010] 在又一种可选方案中,如所述控制器为无线网络控制器,所述第二消息为IU连接释放命令iu RELEASE COMMAND;如所述控制器为基站控制器,所述第二消息为清除命令Clear commando [0010] In yet another alternative, as the controller is a radio network controller, the second command iu RELEASE COMMAND message to release IU connection; as the controller is a base station controller, said first second message is clear command Clear commando

[0011] 第二方面,提供了一种语音业务的切换方法,所述方法包括如下步骤:第一移动交换中心接收控制器发送的呼叫请求,所述呼叫请求携带有电路域回落语音CSFB指示信元, 所述呼叫请求包括:CM业务请求或寻呼响应;第一移动交换中心接收控制器发送的切换消息;第一移动交换中心判断所述切换消息是否携带有所述CSFB指示信元,如所述切换消息未携带所述CSFB指示信元,提取所述呼叫请求携带的所述CSFB指示信元,并将所述CSTO指示信元携带在第一消息内发送给第二移动交换中心;所述第一移动交换中心为切换中的源移动交换中心,所述第二移动交换中心为切换中的目标移动交换中心。 [0011] In a second aspect, there is provided a switched voice service, the method comprising the steps of: a first mobile switching center receives a call request sent by the controller, the call request carries a CS domain voice down instruction signal CSFB element, the call request comprising: CM service request or paging response; a first mobile switching center receives a handover message sent by the controller; a first mobile switching center determines whether the handover message carries the CSFB indication cell, such as the handover message does not carry the CSFB indication information element, extracting the call request carries the CSFB indication information element, and the indicating element carries CSTO transmitted to the second mobile switching center in the first message; the said first mobile switching center to the handover source mobile switching center, the second mobile switching center as the target mobile switching center handover.

[0012] 第二方面提供的技术方案支持了第一方面技术方案的实现,所以其具有减少用户等待返回LTE网络的时间,提高用户体验度的优点。 [0012] A second aspect provides the technical solutions to support a first aspect of the aspect of the realization, it has to wait for the user to reduce the time to return the LTE network, the advantage of improving the user experience.

[0013] 第三方面,提供一种语音业务在切换后返回长期演进网络的装置,所述装置配置于第一移动交换中心,所述装置包括:接收单元,用于接收第二移动交换中心发送的第一消息,所述第一消息携带电路域回落语音CSFB指示信元;所述第一消息为所述第二移动交换中心判断出接收到的第二控制器发送的切换消息未携带所述CSFB指示信元时发送的消息; 所述第一移动交换中心为切换中的目标移动交换中心,所述第二移动交换中心为切换中的源移动交换中心;发送单元,用于在语音业务结束时,向控制器发送携带有CSFB指示信元的第二消息,所述CSFB指示信元用于指示所述控制器将所述CSFB业务返回到长期演进网络。 [0013] In a third aspect, there is provided a voice service apparatus returns LTE network after the handover, said first means disposed in the mobile switching center, said apparatus comprising: a receiving unit configured to receive a second mobile switching center a first message, the first message carries the CS domain voice down CSFB indication information element; the first message to the second mobile switching center determines that the switch controller receives the second message transmitted does not carry the message sent when the CSFB indication information element; a first mobile switching center to the handover target mobile switching center, the second mobile switching center to the handover source mobile switching center; transmitting means for voice service end when, the controller sends a message carrying the second cell has CSFB indication, the CSFB indication information element for indicating the CSFB traffic controller returns to the long Term Evolution network.

[0014] 第三方面提供的技术方案在接收到的切换消息未携带所述CSFB指示信元时发送第二消息,并在第二消息携带从第一消息中的CSFB指示信元,以使得切换中的目标移动交换中心能够依据CSFB指示信元使得用户快速返回LTE网络,减少用户的等待返回LTE网络的时间,所以其具有用户体验度高的优点。 [0014] A third aspect provides technical solutions sending a second message upon receiving the handover message does not carry the CSFB indication information element, and carries CSFB indication information element from the first message in the second message, so that the switching the target mobile switching center such that the user can be based on the quick return CSFB indication information element LTE network, reducing the user waiting time to return the LTE network, it has the advantage of a high degree of user experience.

[0015] 第四方面,提供一种语音业务的切换装置,所述装置配置于第一移动交换中心,所述装置包括:接收单元,用于接收控制器发送的呼叫请求,所述呼叫请求携带有电路域回落语音CSFB指示信元,所述呼叫请求包括:CM业务请求或寻呼响应,接收控制器发送的切换消息;判断单元,用于判断所述切换消息是否携带有所述CSFB指示信元;提取单元,用于如判断单元判断出所述切换消息未携带所述CSFB指示信元,提取所述呼叫请求携带的所述CSFB 指示信元,并将所述CSFB指示信元携带在第一消息内发送给第二移动交换中心;所述第一移动交换中心为切换中的源移动交换中心,所述第二移动交换中心为切换中的目标移动交换中心。 [0015] In a fourth aspect, there is provided a voice service switching means, said first means disposed in the mobile switching center, said apparatus comprising: a receiving unit configured to receive a call request sent by the controller, the call request carries down circuit domain voice CSFB indication information element, the call request comprising: CM service request or paging response, the handover message sent by a controller; determining means for determining whether the handover message carries the indication information CSFB yuan; extraction unit, such as a switch determining unit determines that the message does not carry the CSFB indication information element, extracting the CSFB indication information element carried in the call request, and the CSFB indication information carried in the first element send a message to the second mobile switching center; the first mobile switching center to the handover source mobile switching center, the second mobile switching center as the target mobile switching center handover.

[0016] 第四方面提供的技术方案具有支持了第三方面技术方案的实现,所以其具有减少用户等待返回LTE网络的时间,提高用户体验度的优点。 [0016] A fourth aspect provides a realization of the solution has the support of a third aspect aspect, it has to wait for the user to reduce the return time of the LTE network, the advantage of improving the user experience.

[0017] 第五方面,提供一种计算机可读存储介质,所述计算机可读存储介质存储了计算设备运行的程序代码,所述程序代码包括用于执行上述第一方面提供的方法的指令。 [0017] a fifth aspect, there is provided a computer-readable storage medium, the computer readable storage medium storing program code of a computing device, said program code comprising instruction means for providing a first aspect of the execution.

附图说明 BRIEF DESCRIPTION

[0018] 为了更清楚地说明本申请实施例的技术方案,下面将对实施例描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图是本申请的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。 [0018] In order to more clearly illustrate the technical solutions according to embodiments of the present application, are briefly introduced as described in the accompanying drawings need to use the following embodiments will be apparent in the following description of the accompanying drawings show some embodiments of the present disclosure , those of ordinary skill in the art is concerned, without creative efforts, can obtain other drawings based on these drawings.

[0019] 图1为一种CSFB业务的跨MSC切换方法的流程图。 A flowchart of inter-MSC handover method [0019] FIG. 1 as a CSFB service.

[0020] 图2为另一种CSFB业务的跨MSC切换方法的流程图。 A flowchart of inter-MSC handover method [0020] Figure 2 is another CSFB service.

[0021] 图3为一种CSFB业务的后续切换方法的流程图。 [0021] FIG. 3 is a flowchart of a method for CSFB subsequent handover operations.

[0022] 图4为另一种CSFB业务的后续切换方法的流程图。 [0022] FIG 4 is a flowchart of another method subsequent handover CSFB service.

[0023]图5为本申请提供的一种语音业务在切换后返回长期演进网络的方法的流程图。 Flowchart [0023] Figure 5 provides a voice service-oriented application returns the LTE network after the handover process. [0024]图6为本申请提供的一种语音业务在切换后返回长期演进网络的装置的结构示意图。 Schematic [0024] FIG. 6 of the present application provides a voice service return means LTE network after the handover structure.

[0025]图7为本申请提供的一种语音业务的切换装置的结构示意图。 Schematic structural diagram of the switching device [0025] FIG 7 A voice present application service provided.

[0026] 图8为本申请提供的一种移动交换中心的结构示意图。 [0026] FIG. 8 is a schematic diagram of the structure of a mobile switching center provided by the application.

具体实施方式 detailed description

[0027] 参阅图丨,图丨为一种CSFB业务的跨MSC切换方法,该方法的跨MSC切换可以为,将CSFB业务从MSC1切换到MSC2,如图1所示,包括如下步骤: [0027] Referring to FIG. Shu, Shu FIG service as a CSFB inter-MSC handover method, the inter-MSC handover method may be, the CSFB traffic is switched from MSC1 to MSC2, shown in Figure 1, comprising the steps of:

[0028]步骤S101、基站控制器1 (英文:base station controller,BSC)向MSC1 发送CM业务请求(英文:CM service request)。 [0028] step S101, the base station controller 1 (English: base station controller, BSC) transmits a service request to the CM MSCl (English: CM service request).

[0029] 步骤S102、BSC与MSC1执行呼叫流程。 [0029] Step S102, BSC and MSC1 call flow execution.

[0030]步骤S103、BSC向MSC1 发送A接口切换请求(英文:AH〇-REQUIRED)。 [0030] Step S103, BSC A-interface transmits a handover request (English: AH〇-REQUIRED) to MSC1.

[0031]步骤S104、MSC1 向MSC2发送MAP切换请求(英文:MAP-Prep-Handover request)。 [0031] Step S104, MSC1 to MSC2 transmits the MAP handover request (English: MAP-Prep-Handover request). [0032] 步骤S105、MSC2向BSC2发送A接口切换请求。 [0032] Step S105, MSC2 transmits a handover request to the A interface BSC2.

[0033] 步骤S106、BSC2向MSC2发送A接口切换请求响应(英文:AH〇-REQUEST-ACK)。 [0033] The step S106, BSC2 transmits a handover request in response to the A interface (in English: AH〇-REQUEST-ACK) to the MSC2.

[0034]步骤S107、MSC2向MSC1 发送MAP切换请求响应(英文:MAP-Prep-Handover response) 〇 [0034] Step S107, MSC2 sends a MAP handover request response to MSCl (English: MAP-Prep-Handover response) square

[0035] 步骤Sl〇8、MSCl 向BSC1 发送A接口切换命令(英文:A-H0-C0MMAND)。 [0035] Step Sl〇8, MSCl BSC1 transmits a handover command to the A interface (in English: A-H0-C0MMAND).

[0036] 步骤S109、MSC1 向MSC2发送初始地址消息(英文:ini tial address message, IAM) 〇 [0036] Step S109, MSC1 to the MSC2 sends an initial address message (English: ini tial address message, IAM) square

[0037] 步骤Sll〇、MSC2向MSC1 发送地址全消息(英文:Address Complete Message,ACM)。 [0037] Step Sll〇, MSC2 sends an address complete message (in English: Address Complete Message, ACM) to MSC1.

[0038] 步骤S111、BSC2向MSC2发送A接口切换检测(英文:AH〇-DETECT)。 [0038] Step S111, BSC2 transmits handover detect the A interface (in English: AH〇-DETECT) to MSC2.

[0039] 步骤S112、MSC2向MSC1发送MAP处理接入信令请求(英文:MAP-Process-Access- Sig request)〇 [0039] Step S112, MSC2 sends a MAP process access signaling request to MSCl (English: MAP-Process-Access- Sig request) square

[0040]步骤S113、BSC2向MSC2发送A接口切换完成(英文:A-HO-COMPLET®。 [0040] Step S113, BSC2 transmits the A interface to MSC2 handover completion (English: A-HO-COMPLET®.

[0041] 步骤S114、MSC2向MSC1发送MAP发送结束信令请求(英文:MAP-Send-End-Signal request) 0 [0041] Step S114, MSC2 sends a MAP Send End signaling request to MSCl (English: MAP-Send-End-Signal request) 0

[0042]步骤S115、MSC1 向BSC1 发送清除命令Clear command。 [0042] Step S115, MSC1 BSC1 sends a Clear Command Clear command.

[0043] 步骤S116、MSC2向MSC1发送MAP处理接入信令请求(英文:MAP-Process-Access- Sig request)和应答消息(ANSWER)。 [0043] Step S116, MSC2 sends a MAP process access signaling request to the MSC1 (English: MAP-Process-Access- Sig request) and reply message (ANSWER).

[0044] 步骤S117、MSC1向MSC2发送MAP前传接入信令请求(英文:MAP-Forward-Access- Sig request) 0 [0044] Step S117, MSC1 sends a MAP signaling prior to transfer to the access request MSC2 (English: MAP-Forward-Access- Sig request) 0

[0045] 步骤S118、MSC1与MSC2交互释放消息(英文:RELEASE)。 [0045] Step S118, MSC1 MSC2 interact with the release message (English: RELEASE).

[0046] 步骤S119、MSC1与MSC2发送MAP发送结束信令响应(英文:MAP-Send-End-Signal response)〇 [0046] Step S119, MSC1 sends a MAP Send End signaling response MSC2 (English: MAP-Send-End-Signal response) square

[0047]步骤S120、MSC2向BSC2发送Clear command。 [0047] Step S120, MSC2 transmits Clear command to the BSC2.

[0048] 如图1提供的CSFB业务的跨MSC切换方法由于MSC2无法获得CSFB指示信元,所以MSC2发送给BSC2的Clear command也无法携带CSFB指示信元,导致CSFB业务无法在后续切换中快速返回LTE网络。 [0048] The inter-MSC handover method provided in FIG. 1 due to the MSC2 service CSFB CSFB indication information element can not be obtained, so MSC2 Clear command sent to the BSC2 can not carry CSFB indication information element, the business can not lead to the quick return CSFB in a subsequent handover LTE network.

[0049] 参阅图2,图2为另一种CSFB业务的跨MSC切换方法,该方法的跨MSC切换可以为,将CSFB业务从MSC1切换到MSC2,如图2所示,包括如下步骤: Inter-MSC handover method [0049] Referring to FIG. 2, FIG. 2 CSFB to another service, the inter-MSC handover method may be, the CSFB traffic is switched from MSC1 to MSC2, as shown in FIG. 2, comprising the steps of:

[0050] 步骤S201、无线网络控制器1 (英文:Radio Network Controller,RNC)向MSC1 发送寻呼响应(英文:paging response)。 [0050] step S201, the radio network controller 1 (English: Radio Network Controller, RNC) sends a paging response to MSCl (English: paging response).

[0051] 步骤S202、RNC1与MSC1执行呼叫流程。 [0051] Step S202, RNC1 and MSC1 call flow execution.

[0052] 步骤S203、RNC1 向MSC1 发送Iu接口重定向请求(英文:Iu-RELOCATION-REQUIRED)。 [0052] Step S203, RNC1 Iu interface transmits a redirection request (English: Iu-RELOCATION-REQUIRED) to MSC1.

[0053] 步骤S204、MSC1 向MSC2发送MAP切换请求(英文:MAP-Prep-Handover request)。 [0053] Step S204, MSC1 to MSC2 transmits the MAP handover request (English: MAP-Prep-Handover request).

[0054] 步骤S205、MSC2向RNC2发送I u接口重定向请求。 [0054] Step S205, MSC2 sends a redirection request interfaces RNC2 I u.

[0055] 步骤S206、RNC2向MSC2发送Iu接口重定向请求响应(英文:Iu-REL0CATI0N-REQUEST-ACK)。 [0055] Step S206, RNC2 Iu interface transmission in response to the redirection request to the MSC2 (English: Iu-REL0CATI0N-REQUEST-ACK).

[0056] 步骤S207、MSC2向MSC1 发送MAP切换请求响应(英文:MAP-Prep-Handover response)〇 [0056] Step S207, MSC2 sends a MAP handover request response to MSCl (English: MAP-Prep-Handover response) square

[0057] 步骤S208、MSC1 向RNC1 发送Iu接口重定向命令(英文:Iu-REL0CATI0N-C0MMAND)。 [0057] Step S208, MSC1 redirect command transmits an Iu interface (English: Iu-REL0CATI0N-C0MMAND) to RNC1.

[0058] 步骤S209、MSC1 向MSC2 发送INVITE 消息。 [0058] Step S209, MSC1 sends an INVITE message to MSC2.

[0059] 步骤S210、MSC2 向MSC1 发送180。 [0059] Step S210, MSC2 transmits 180 to the MSC1.

[0060] 步骤S211、RNC2向MSC2发送Iu接口重定向检测。 [0060] Step S211, RNC2 transmits an Iu interface to the redirector detects MSC2.

[0061] 步骤S212、MSC2向MSC1发送MAP处理接入信令请求(英文:Iu-RELOCATION- DETECT)。 [0061] Step S212, MSC2 sends a MAP process access signaling request to the MSC1 (English: Iu-RELOCATION- DETECT).

[0062]步骤S213、RNC2向MSC2发送Iu接口重定向完成(英文:Iu-RELOCATION-COMPLETE)。 [0062] Step S213, RNC2 transmits an Iu interface to MSC2 redirect complete (English: Iu-RELOCATION-COMPLETE). [0063] 步骤S214、MSC2向MSC1发送MAP发送结束信令请求(英文:MAP_Send-End-Signal request) 〇 [0063] Step S214, MSC2 sends a MAP Send End request signaling to the MSC1 (English: MAP_Send-End-Signal request) square

[0064]步骤S215、MSC1 向RNC 1 发送IU RELEASE COMMAND。 [0064] Step S215, MSC1 transmits IU RELEASE COMMAND to the RNC 1.

[0065] 步骤S216、MSC 2向MSC 1发送MAP处理接入信令请求(英文:MAP_Process-Access-Sig request)和200。 [0065] Step S216, MSC 2 requests the MSC 1 transmits the MAP process access signaling (English: MAP_Process-Access-Sig request) and 200.

[0066] 步骤S217、MSC 1向MSC 2发送MAP前传接入信令请求(英文:MAP_Forward-Access-Sig request) 〇 [0066] Step S217, MSC 1 sends a MAP request to the MSC 2 pass before the access signaling (English: MAP_Forward-Access-Sig request) square

[0067]步骤S218、MSC 1 与MSC 2交互BYE消息。 [0067] Step S218, MSC 1 and MSC 2 BYE message interaction.

[0068] 步骤S219、MSC1向MSC 2发送MAP发送结束信令响应(英文:MAP-Send-End-Signal response) 〇 [0068] Step S219, MSC1 a response to the MSC 2 transmits the MAP signaling the end of transmission (English: MAP-Send-End-Signal response) square

[0069]步骤S220、MSC 2向RNC2发送IU连接释放命令IU RELEASE COMMAND。 [0069] Step S220, MSC 2 sends a connection release command RNC2 IU IU RELEASE COMMAND.

[0070]如图2提供的CSFB业务的跨MSC切换方法由于MSC 2无法获得CSFB指示信元,所以MSC 2发送给RNC2的IU RELEASE COMMAND也无法携带CSFB指示信元,导致CSFB业务无法在后续切换中快速返回LTE网络。 [0070] FIG 2 inter-MSC handover method CSFB service provided MSC 2 can not be obtained due to the CSFB indication information element, the MSC 2 transmits to the IU RELEASE RNC2 COMMAND can not carry CSFB indication information element, the business can not cause subsequent handover CSFB rapid return to the LTE network.

[0071] 参阅图3,图3为一种CSFB业务的后续切换方法,该方法的后续切换可以为,将CSFB 业务从MSC1切换到MSC2后,在从MSC2切换到MSC3,如图3所不,包括如下步骤: [0071] Referring to Figure 3, Figure 3 is a subsequent handover method of CSFB service, the subsequent handover method may be, the CSFB traffic is switched from the MSC2 to the MSC1, MSC2 to the switching from the MSC3, are not shown in Figure 3, comprising the steps of:

[0072] 步骤S301、BSC1向MSC1发送CM业务请求 [0072] Step S301, BSC1 transmits the CM service request MSC1

[0073] 步骤S302、BSC1与MSC1执行呼叫流程。 [0073] Step S302, BSC1 and MSC1 call flow execution.

[0074] 步骤S303、BSC1向MSC1发送A接口切换请求。 [0074] Step S303, BSC1 transmits a handover request to the A interface MSC1.

[0075]步骤S304、BSC1、MSC1、BSC2、MSC2 执行切换流程。 [0075] Step S304, BSC1, MSC1, BSC2, MSC2 handover procedure performed.

[0076] 步骤S305、BSC2向MSC2发送A接口切换请求。 [0076] Step S305, BSC2 transmits a handover request to the A interface MSC2.

[0077] 步骤S306、MSC2向MSC1发送MAP切换请求。 [0077] Step S306, MSC2 transmits the MAP handover request to the MSC1.

[0078] 步骤S307、MSC1向MSC3发送MAP切换请求。 [0078] Step S307, MSC1 transmits the MAP handover request to MSC3.

[0079] 步骤S308、MSC3向BSC3发送A接口切换请求。 [0079] Step S308, MSC3 handover request to send the A interface BSC3.

[0080] 步骤S309、BSC3向MSC3发送A接口切换请求响应。 [0080] Step S309, BSC3 send A interface handover request response to MSC3.

[0081] 步骤S310、MSC3向MSC1发送MAP切换请求响应。 [0081] Step S310, MSC3 transmits the MAP handover request response to the MSC1.

[0082] 步骤S311、MSC1向MSC3发送初始地址消息。 [0082] Step S311, MSC1 sends an initial address message to MSC3.

[0083] 步骤S312、MSC3向MSC1发送地址全消息。 [0083] Step S312, MSC3 sending an address complete message to the MSC1.

[0084] 步骤S313、MSC1向MSC2发送MAP准备后续切换请求(英文:MAP-Prep-Sub-Ho response) 0 [0084] Step S313, MSC1 to MSC2 MAP send subsequent handover prepare request (English: MAP-Prep-Sub-Ho response) 0

[0085] 步骤S314、MSC2向BSC2发送A接口切换命令。 [0085] Step S314, MSC2 transmits a handover command to the A interface BSC2.

[0086] 步骤S315、BSC3向MSC3发送A接口切换命令。 [0086] Step S315, BSC3 A interface transmits a handover command to MSC3.

[0087] 步骤S316、MSC3向MSC1发送MAP处理接入信令请求。 [0087] Step S316, MSC3 MAP transmission process access signaling request to MSC1.

[0088] 步骤S317、BSC3向MSC3发送A接口切换检测。 [0088] Step S317, BSC3 send A interface to the switching detection MSC3.

[0089] 步骤S318、MSC3向MSC1发送MAP发送结束信令请求。 [0089] Step S318, MSC3 transmitted to MSC1 MAP signaling transmission stop request.

[0090] 步骤S319、MSC3向MSC1发送应答消息。 [0090] Step S319, MSC3 sends a response message to the MSC1.

[0091] 步骤S320、MSC1向MSC2发送MAP发送结束信令响应。 [0091] Step S320, MSC1 to MSC2 MAP transmitted in response to signaling the end of transmission.

[0092]步骤S32KMSC2向BSC2发送Clear command。 [0092] Step S32KMSC2 Clear command sent to the BSC2.

[0093] 步骤S322、MSC3向MSC1发送MAP处理接入信令请求。 [0093] Step S322, MSC3 MAP transmission process access signaling request to MSC1.

[0094] 步骤S323、MSC1向MSC3发送MAP前传接入信令请求. [0094] Step S323, MSC1 sends a MAP prior to transmission to the access signaling request MSC3.

[0095] 步骤S324、MSC1与MSC3交互释放消息. [0095] Step S324, MSC1 interacts with the release message MSC3.

[0096] 步骤S325、MSC1向MSC3发送MAP发送结束信令响应。 [0096] Step S325, MSC1 to MSC3 MAP transmitting end transmits a signaling response.

[0097]步骤S326、MSC3向BSC3发送Clear command。 [0097] Step S326, MSC3 Clear command sent to BSC3.

[0098] 如图3提供的CSFB业务的后续切换方法由于MSC3无法获得CSFB指示信元,所以MSC3发送给BSC3的Clear command也无法携带CSFB指示信元,导致CSFB业务无法在后续切换中快速返回LTE网络。 [0098] subsequent handover method 3 CSFB service provided since MSC3 CSFB indication information element can not be obtained, so MSC3 to a Clear command BSC3 also can not carry CSFB indication information element, the business can not lead to the quick return CSFB subsequent handover in LTE The internet.

[00"] 参阅图4,图4为一种CSFB业务的后续切换方法,该方法的后续切换可以为,将CSFB 业务从MSC1切换到MSC2后,在从MSC2切换到MSC3,如图4所示,包括如下步骤: After [00 "] refer to FIG. 4, FIG. 4 as a CSFB service subsequent handover method, the subsequent handover method may be, the CSFB traffic is switched from MSC1 to MSC2, MSC2 to the switching from the MSC3, 4 comprising the steps of:

[0100] 步骤S401、RNC1向MSC1发送寻呼响应[0101] 步骤S402、RNC1与MSC1执行呼叫流程。 [0100] Step S401, RNC1 MSC1 sends a paging response to the [0101] Step S402, RNC1 and MSC1 call flow execution.

[0102] 步骤S403、RNC1向MSC1发送IU接口重定向请求。 [0102] Step S403, RNC1 IU interface to send a redirect request to the MSC1.

[0103]步骤S404、RNC1、MSC1、RNC2、MSC2 执行切换流程。 [0103] Step S404, RNC1, MSC1, RNC2, MSC2 handover procedure performed.

[0104] 步骤S405、RNC2向MSC2发送IU接口重定向请求。 [0104] Step S405, RNC2 transmits a redirect request to the IU interface to MSC2.

[0105] 步骤S406、MSC2向MSC1发送MAP切换请求。 [0105] Step S406, MSC2 transmits the MAP handover request to the MSC1.

[0106] 步骤S407、MSC1向MSC3发送MAP切换请求。 [0106] Step S407, MSC1 transmits the MAP handover request to MSC3.

[0107] 步骤S408、MSC3向RNC3发送几接口重定向请求。 [0107] Step S408, MSC3 redirect request to send several interfaces RNC3.

[0108] 步骤S409、RNC3向MSC3发送K接口重定向请求响应。 [0108] Step S409, RNC3 transmits K interfaces redirect response to the request MSC3.

[0109] 步骤S410、MSC3向MSC1发送MAP切换请求响应。 [0109] Step S410, MSC3 transmits the MAP handover request response to the MSC1.

[0110] 步骤S411、MSC1 向MSC3 发送INVITE。 [0110] Step S411, MSC1 sends an INVITE to MSC3.

[0111] 步骤S412、MSC3 向MSC1 发送180。 [0111] Step S412, MSC3 180 transmits to the MSC1.

[0112] 步骤S413、MSC1向MSC2发送MAP准备后续切换请求(英文:MAP-Prep-Sub-Ho response)〇 [0112] Step S413, MSC1 to MSC2 MAP send subsequent handover prepare request (English: MAP-Prep-Sub-Ho response) square

[0113] 步骤S414、MSC2向RNC2发送IU接口重定向请求。 [0113] Step S414, MSC2 transmits a redirect request to the interface IU RNC2.

[0114] 步骤S415、RNC3向MSC3发送IU接口重定向请求。 [0114] Step S415, RNC3 transmits a redirect request to the interface IU MSC3.

[0115] 步骤S416、MSC3向MSC1发送MAP处理接入信令请求。 [0115] Step S416, MSC3 MAP transmission process access signaling request to MSC1.

[0116] 步骤S417、RNC3向MSC3发送IU接口重定向检测。 [0116] Step S417, RNC3 transmits the interface IU to redirect detection MSC3.

[0117] 步骤S418、MSC3向MSC1发送MAP发送结束信令请求。 [0117] Step S418, MSC3 transmitted to MSC1 MAP signaling transmission stop request.

[0118] 步骤S419、MSC3向MSC1发送应答消息。 [0118] Step S419, MSC3 sends a response message to the MSC1.

[0119] 步骤S420、MSC1向MSC2发送MAP发送结束信令响应。 [0119] Step S420, MSC1 to MSC2 MAP transmitted in response to signaling the end of transmission.

[0120] 步骤S421、MSC2向RNC2发送Iu release command。 [0120] Step S421, MSC2 Iu release command sent to RNC2.

[0121] 步骤S422、MSC3向MSC1发送MAP处理接入信令请求。 [0121] Step S422, MSC3 MAP transmission process access signaling request to MSC1.

[0122] 步骤S423、MSC1向MSC3发送MAP前传接入信令请求. [0122] Step S423, MSC1 sends a MAP prior to transmission to the access signaling request MSC3.

[0123] 步骤S424、MSC1与MSC3交互释放消息. [0123] Step S424, MSC1 interacts with the release message MSC3.

[0124] 步骤S425、MSC1向MSC3发送MAP发送结束信令响应。 [0124] Step S425, MSC1 to MSC3 MAP transmitting end transmits a signaling response.

[0125] 步骤S426、MSC3向RNC3发送Iu release command。 [0125] Step S426, MSC3 Iu release command sent to RNC3.

[0126] 如图4提供的CSFB业务的后续切换方法由于MSC3无法获得CSFB指示信元,所以MSC3发送给RNC3的IU RELEASE COMMAND也无法携带CSFB指示信元,导致CSFB业务无法在后续切换中快速返回LTE网络。 [0126] FIG 4 subsequent handover method of providing service due MSC3 CSFB CSFB indication information element can not be obtained, so MSC3 transmitted to the IU RELEASE COMMAND RNC3 can not carry CSFB indication information element, the business can not lead to the quick return CSFB in a subsequent handover LTE network.

[0127] 参阅图5,图5为本申请一实施例提供的一种语音业务在切换后返回长期演进网络的方法,本实施例实现的技术场景可以为:在切换过程中,具有两个MSC,分别命名为:MSC1 和MSC2,其中MSC1具体可以为目标MSC,即用户切换后的MSC,该MSC2具体可以为源MSC,即用户起始的MSC,与MSC1连接的控制器(可以为无线网络控制器或基站控制器)命名为控制器1,与MSC2连接的控制器命名为控制器2,该方法如图5所示,包括如下步骤: [0127] Referring to FIG. 5, FIG. 5 of the present application provides a method for voice service returns the LTE network after the handover a embodiment, the present technique scenario of embodiment may be realized: in a handover process, having two MSC were named as: MSC1 and MSC2, which specifically target the MSC MSC1, i.e. after the user switches the MSC, which may be a source MSC2 particular the MSC, the MSC i.e. user initiated, and a controller connected to the MSC1 (may be a wireless network the controller or base station controller) designated as a controller 1, and a controller connected to the MSC2 named controller 2, the method shown in Figure 5, comprising the steps of:

[0128] 步骤S500、MSC2接收控制器2发送的呼叫请求,该呼叫请求携带有电路域回落语音CSFB指示信元,提取所述呼叫请求携带的所述CSFB指示信元,接收控制器2发送的切换请求,如该切换请求未携带所述CSFB指示信元,将所述CSFB指示信元携带在第一消息内发送给MSC1〇 [0128] Step S500, MSC2 receives the call request sent by the controller 2, the call request carries a CS domain voice down CSFB indication information element, extracting the call request carries the CSFB indication information element, the controller 2 receives the transmitted handover request, if the request does not carry the switch CSFB indication information element, said element carries MSC1〇 CSFB indication in the first message sent to the

[0129] 上述步骤S500中,如所述控制器为基站控制器,所述切换消息为:A接口切换请求; [0129] In the above-described step S500, as the controller is a base station controller, the handover message are: A interface switching request;

[0130] 如所述控制器为无线网络控制器,所述切换消息为:Iu接口重定向请求。 [0130] As the controller is a radio network controller, the handover message is: Iu interface to redirect request.

[0131] 步骤S50UMSC1接收MSC2发送的第一消息,该第一消息携带CSFB指示信元。 [0131] Step S50UMSC1 receiving a first message sent by MSC2, the first message carries CSFB indication information element.

[0132] 如所述控制器为基站控制器,所述第一消息具体为:MAP切换请求、初始地址消息、 MAP前传接入信令请求或释放消息中的一个或任意组合;所述呼叫请求为⑶业务请求; [0132] As the controller is a base station controller, the first message is a: MAP handover request, an initial address message, the MAP before transfer or release the access signaling request or a message in any combination; the call request service request is ⑶;

[0133] 如所述控制器为无线网络控制器,所述第一消息具体为:MAP切换请求、MAP前传接入信令请求、INVITE消息或BYE消息中的一个或任意组合;所述呼叫请求为寻呼响应。 [0133] As the controller is a radio network controller, the first message is a: MAP handover request, pass before the MAP signaling access request, the INVITE message or the BYE message, or in any combination; the call request for the paging response.

[0134] 步骤S502、MSC1在语音业务结束时,向控制器1发送携带有该CSFB指示信元的第二消息,该CSFB指示信元用于指示控制器1将所述CSFB业务返回到LTE网络。 [0134] Step S502, MSC1 at the end of the voice service, the controller 1 sends a second message carrying the CSFB indication information element, which CSFB indication information element for instructing the controller 1 returns to the LTE network service CSFB .

[0135] 可选的,如所述控制器为无线网络控制器,所述第二消息为IU连接释放命令(英文:IU RELEASE COMMAND); [0135] Alternatively, as the controller is a radio network controller, the second message is a connection release command IU (English: IU RELEASE COMMAND);

[0136] 如所述控制器为基站控制器,所述第二消息为清除命令(英文:Clear command)。 [0136] As the controller is a base station controller, the second message is a Clear Command (English: Clear command).

[0137] 本申请一实施例提供的技术方案将CSro指示信元携带在源MSC向目标MSC发送的第一消息中,在目标MSC完成语音业务后,将该CSFB指示信元通过第二消息下发给控制器, 以指示CSFB业务返回到LTE网络,所以其具有通过携带的CSTO指示信元使得CSFB快速返回LTE网络的优点。 [0137] Under the technical solutions provided in the present application embodiment a CSro indication information element carried in the first message sent by the source MSC to the target MSC, the target MSC after completion of the voice service, the CSFB indication information element by a second message sent to the controller to indicate CSFB service returns to the LTE network, such that it has a CSTO CSFB indication information element carried by the quick return of the advantages of the LTE network.

[0138] 需要说明的是,从全流程的角度介绍了本申请提供的语音业务在切换后返回长期演进网络的方法。 [0138] Incidentally, from the viewpoint of the whole process described method of the present application provides voice service returns the LTE network after the handover. 图5也可以从每个设备的角度,拆分成多个不同的过程示意图,例如,图5 中的步骤S500从源MSC的角度提供了一种语音业务的切换方法;步骤S501和步骤S502从目标MSC的角度提供了一种用户溯源的重定向方法。 From the perspective of FIG. 5 may each device, split into a plurality of different processes schematic, e.g., step S500 in FIG. 5 provides a handover method in a voice service from the perspective of the source MSC; from step S501 and step S502 angle target MSC is provided a method for the redirection of user traceability.

[0139] 参阅图6,图6为本申请另一实施例提供的一种语音业务在切换后返回长期演进网络的装置600,所述装置配置于第一移动交换中心,所述装置包括: [0139] Referring to Figure 6, apparatus 600 of FIG. 6 A voice-oriented service provided in a long term evolution network returns after a handover to another embodiment of the application, the device is configured in the first mobile switching center, said apparatus comprising:

[0140] 接收单元601,用于接收第二移动交换中心发送的第一消息,所述第一消息携带电路域回落语音CSFB指示信元;所述第一消息为所述第二移动交换中心判断出接收到的第二控制器发送的切换消息未携带所述CSFB指示信元时发送的消息; [0140] The receiving unit 601 for receiving a first message sent by a second mobile switching center, the first message carries circuit switched domain voice down CSFB indication information element; the first message to the second mobile switching center determines the second switch controller that the received message is not sent when the message sent by CSFB indication information element carries;

[0141] 所述第一移动交换中心为切换中的目标移动交换中心,所述第二移动交换中心为切换中的源移动交换中心; [0141] The first mobile switching center to the handover target mobile switching center, the second mobile switching center is a handover source mobile switching center;

[0142] 发送单元602,用于在语音业务结束时,向控制器发送携带有CSFB指示信元的第二消息,所述CSFB指示信元用于指示所述控制器将所述CSFB业务返回到长期演进网络。 [0142] transmitting unit 602 configured at the end of the voice service, the controller sends a message carrying the second cell has CSFB indication, the CSFB indication information element for instructing said controller to return the service CSFB long Term Evolution network.

[0143] 本申请另一实施例提供的技术方案将CSFB指示信元携带在源MSC向目标MSC发送的第一消息中,在目标MSC完成语音业务后,将该CSFB指示信元通过第二消息下发给控制器,以指示CSFB业务返回到LTE网络,所以其具有通过携带的CSFB指示信元使得CSFB快速返回LTE网络的优点。 After the technical solution provided in [0143] Another embodiment of the present application will CSFB indication information element carried in the first message sent by the source MSC to the target MSC, the target MSC to complete voice services, the CSFB indication information element by a second message the distributed controller to indicate CSFB service returns to the LTE network, such that it has a CSFB CSFB indication information element carried by the quick return of the advantages of the LTE network.

[0144] 参阅图7,图7为本申请又一实施例提供的一种语音业务的切换装置700,所述装置配置于第一移动交换中心,所述装置包括: Switching means [0144] Referring to FIG. 7, FIG. 7 of the present application further A voice service according to an embodiment of 700, the device is arranged in the first mobile switching center, said apparatus comprising:

[0145] 接收单元701,用于接收控制器发送的呼叫请求,所述呼叫请求携带有电路域回落语音CSFB指示信元,所述呼叫请求包括:CM业务请求或寻呼响应,接收控制器发送的切换消息; [0145] The receiving unit 701 is configured to receive a call request sent by the controller, the call request carries a CS domain voice down CSFB indication information element, the call request comprising: CM service request or paging response, receiving controller sends handover message;

[0146] 判断单元702,用于判断所述切换消息是否携带有所述CSFB指示信元; [0146] determination unit 702 for determining whether the handover message carries the CSFB indication information element;

[0147] 提取单元703,用于如判断单元判断出所述切换消息未携带所述CSFB指示信元,提取所述呼叫请求携带的所述CSFB指示信元; [0147] extracting unit 703, such as a switch determining unit determines that the message does not carry the CSFB indication information element, extracting the call request carries the CSFB indication information element;

[0148] 发送单元704,用于将所述CSFB指示信元携带在第一消息内发送给第二移动交换中心; [0148] sending unit 704, configured to carry the CSFB indication information element transmitted to the second mobile switching center in the first message;

[0149] 所述第一移动交换中心为切换中的源移动交换中心,所述第二移动交换中心为切换中的目标移动交换中心。 [0149] The first mobile switching center to the handover source mobile switching center, the second mobile switching center as the target mobile switching center handover.

[0150]本申请提供的语音业务的切换装置支持了本申请另一实施例提供的技术方案的实现。 [0150] switching means provided herein support the voice service to realize the technical solution of the present application according to another embodiment.

[0151] 参阅图8,图8为本申请另外实施例提供的一种移动交换中心80,该移动交换中心8〇可以为如图6所示的目标移动交换中心,也可以为如图7所示的源移动交换中心,当然在实际应用中,该移动交换中心80如图8所示,包括:处理器801、存储器802、收发器803和总线804。 [0151] Referring to FIG. 8, FIG. 8 is a further embodiment of a mobile switching center provided in the application 80, the mobile switching center can 8〇 target mobile switching center is illustrated in FIG. 6, FIG. 7 may be a source mobile switching center illustrated, of course, in practical applications, the mobile switching center 80 in FIG. 8, comprising: a processor 801, memory 802, transceiver 803 and bus 804. 收发器803用于与外部设备交互以收发数据。 The transceiver 803 for interacting with the external device to send and receive data. 移动交换中心80中的处理器801的数量可以是一个或多个。 The mobile switching center 80 of the number of processor 801 may be one or more. 本申请的一些实施例中,处理器801、存储器802和收发器803可通过总线或其他方式连接。 Some embodiments of the present application, a processor 801, memory 802, and transceiver 803 may be connected by a bus or other means. 存储器802用于存储程序代码,处理器801用于调用存储器802中存储的程序代码,以实现图5中业务MSC1、或MSC2的功能。 Memory 802 for storing program code, processor 801 calls the program code stored in memory 802, to implement traffic FIG MSC1 5, or a function of MSC2. 关于本实施例涉及的术语的含义以及举例, 可以参考图5对应的实施例。 About meaning of the term according to the present embodiment and the embodiment example, the corresponding embodiments may be 5 with reference to FIG. 此处不再赘述。 Not repeat them here. 需要说明的是,这里的处理器801可以是一个处理元件,也可以是多个处理元件的统称。 Incidentally, where the processor 801 may be a processing element, it may be collectively referred to as a plurality of processing elements. 例如,该处理元件可以是中央处理器(英文: central processing unit,简称:CPU),也可以是特定集成电路(英文:application-specific integrated circuit,简称:ASIC),或者是被配置成实施本申请实施例的一个或多个集成电路,例如:一个或多个数字信号处理器(英文:digital signal processor,简称:DSP),或,一个或者多个现场可编程门阵列(英文:field-programmable gate array,简称:FPGA) 〇 For example, the processing element may be a central processing unit (English: central processing unit, referred to as: CPU), or may be specific integrated circuit (English: application-specific integrated circuit, abbreviated: ASIC), or application of the present embodiment is configured to one or more embodiments of the integrated circuit, for example: one or more digital signal processors (English: digital signal processor, abbreviated: the DSP), or one or more field programmable gate arrays (English: field-programmable gate array, abbreviation: FPGA) square

[0152] 存储器802可以是一个存储装置,也可以是多个存储元件的统称,且用于存储可执行程序代码或应用程序运行装置运行所需要参数、数据等。 [0152] The memory 802 may be a memory device, may be a plurality of storage elements collectively, and for storing executable program code or application program running means runs the required parameters, data and the like. 且存储器603可以包括随机存储器(英文:random-access memory,简称:RAM),也可以包括非易失性存储器(non-volatile memory),例如磁盘存储器,闪存(flash)等。 And the memory 603 may include random access memory (English: random-access memory, referred to as: RAM), may also include non-volatile memory (non-volatile memory), a memory such as magnetic disk, a flash memory (flash) and the like.

[0153] 总线804可以是工业标准体系结构(英文:Industry Standard Architecture,简称:ISA)总线、外部设备互连(英文:Peripheral Component Interconnect,简称:PCI)总线或扩展工业标准体系结构(英文:Extended Industry Standard Architecture,简称: EISA)总线等。 [0153] Bus 804 may be an Industry Standard Architecture (English: Industry Standard Architecture, abbreviated: ISA) bus, a Peripheral Component Interconnect (English: Peripheral Component Interconnect, abbreviation: PCI) bus or an Extended Industry Standard Architecture (English: Extended Industry Standard Architecture, abbreviated: EISA) bus or the like. 该总线可以分为地址总线、数据总线、控制总线等。 The bus can be divided into an address bus, a data bus, a control bus and the like. 为便于表示,图8中仅用一条粗线表示,但并不表示仅有一根总线或一种类型的总线。 For ease of showing, in FIG. 8 only with a thick, but does not mean that only one type of bus or a bus.

[0154] 该服务器还可以包括输入输出装置,连接于总线804,以通过总线与处理器801等其它部分连接。 [0154] The server may further comprise input and output means, connected to the bus 804 to connect to the rest of the processor bus 801 and the like. 该输入输出装置可以为操作人员提供一输入界面,以便操作人员通过该输入界面选择布控项,还可以是其它接口,可通过该接口外接其它设备。 The input-output device may be provided as an operator input interface, so that the operator selected items dispatched by the input interface, other interfaces may also be other external devices via the interface.

[0155] 需要说明的是,对于前述的各个方法实施例,为了简单描述,故将其都表述为一系列的动作组合,但是本领域技术人员应该知悉,本申请并不受所描述的动作顺序的限制,因为依据本申请,某一些步骤可以采用其他顺序或者同时进行。 [0155] Incidentally, for each embodiment of the aforementioned method, for ease of description, it is described as a series combination of actions, those skilled in the art will be aware that the present application is not affected by the order of acts described It limited since according to the present application, a number of other steps may be employed sequentially or simultaneously. 其次,本领域技术人员也应该知悉,说明书中所描述的实施例均属于优选实施例,所涉及的动作和模块并不一定是本申请所必须的。 Secondly, those skilled in the art should also understand that the embodiments are described in the specification are exemplary embodiments, actions and modules are not necessarily related to the present application necessary.

[0156] 在上述实施例中,对各个实施例的描述都各有侧重,某个实施例中没有详细描述的部分,可以参见其他实施例的相关描述。 [0156] In the above embodiment, the description of the various embodiments have different emphases, not described in detail a portion of the embodiments, reference may be described in other embodiments.

[0157] 以上对本申请实施例所提供的内容下载方法及相关设备、装置进行了详细介绍, 本文中应用了具体个例对本申请的原理及实施方式进行了阐述,以上实施例的说明只是用于帮助理解本申请的方法及其核心思想;同时,对于本领域的一般技术人员,依据本申请的思想,在具体实施方式及应用范围上均会有改变之处,综上所述,本说明书内容不应理解为对本申请的限制。 Described in detail the contents of the download method and related equipment, apparatus is provided [0157] or more embodiments of the present application, herein through specific examples of the principles and embodiments of the present application are set forth in description of the above embodiment except for help understanding the method and core ideas of the present application; Meanwhile, those of ordinary skill in the art based on the idea of ​​the present disclosure, may make modifications to the specific embodiments and applications of the embodiment, the summary, the content of the specification It should not be construed as limiting the present application.

Claims (16)

  1. 1. 一种语音业务在切换后返回长期演进网络的方法,其特征在于,所述方法包括: 第一移动交换中心接收第二移动交换中心发送的第一消息,所述第一消息携带电路域回落语音CSFB指示信元;所述第一消息为所述第二移动交换中心判断出接收到的第二控制器发送的切换消息未携带所述CSFB指示信元时发送的消息; 所述第一移动交换中心为切换中的目标移动交换中心,所述第二移动交换中心为切换中的源移动交换中心; 第一移动交换中心在语音业务结束时,向控制器发送携带有CSFB指示信元的第二消息,所述CSFB指示信元用于指示所述控制器将所述CSFB业务返回到长期演进网络。 A voice service returns the LTE network after the handover, characterized in that, said method comprising: a first mobile switching center receives a first message sent by a second mobile switching center, the first message carries the circuit domain voice down CSFB indication information element; the first message to the second mobile switching center determines that the handover message transmitted to the second controller receives the transmitted message does not carry the information element indicating when the CSFB; the first in the mobile switching center a handover target mobile switching center, the second mobile switching center to the handover source mobile switching center; a first mobile switching center at the end of the voice service, the controller sends a CSFB indication information element carries the a second message, the CSFB indication information element for indicating the CSFB traffic controller returns to the long Term Evolution network.
  2. 2. 根据权利要求1所述的方法,其特征在于, 所述控制器具体为:无线网络控制器或基站控制器。 2. The method according to claim 1, wherein said controller is specifically as follows: a radio network controller or base station controller.
  3. 3. 根据权利要求2所述的方法,其特征在于, 如所述控制器为基站控制器,所述第一消息具体为:MAP切换请求、初始地址消息、MAP 前传接入信令请求或释放消息中的一个或任意组合; 如所述控制器为无线网络控制器,所述第一消息具体为:MAP切换请求、MAP前传接入信令请求、顶VITE消息或BYE消息中的一个或任意组合。 3. The method according to claim 2, wherein said controller is a base station controller as the first message specifically is: MAP handover request, an initial address message, the MAP before transfer or release the access signaling request or any combination of a message; if the controller is a radio network controller, the first message is a: MAP handover request, the MAP signaling request before an access pass, a top VITE message or the BYE message or any combination.
  4. 4. 根据权利要求2所述的方法,其特征在于, 如所述控制器为无线网络控制器,所述第二消息为IU连接释放命令IU RELEASE COMMAND; 如所述控制器为基站控制器,所述第二消息为清除命令Clear command。 4. The method according to claim 2, characterized in that, as the controller is a radio network controller, the second message is a connection release command IU IU RELEASE COMMAND; as the controller is a base station controller, the second message is a Clear command Clear command.
  5. 5. —种语音业务的切换方法,其特征在于,所述方法包括如下步骤: 第一移动交换中心接收控制器发送的呼叫请求,所述呼叫请求携带有电路域回落语音CSFB指示信元, 第一移动交换中心接收控制器发送的切换消息; 第一移动交换中心判断所述切换消息是否携带有所述CSFB指示信元,如所述切换消息未携带所述CSro指示信元,提取所述呼叫请求携带的所述CSFB指示信元,并将所述CSFB指示信元携带在第一消息内发送给第二移动交换中心; 所述第一移动交换中心为切换中的源移动交换中心,所述第二移动交换中心为切换中的目标移动交换中心。 5. - The method of switching voice service types, characterized in that, said method comprising the steps of: a first mobile switching center receives a call request sent by the controller, the call request carries a CS domain voice down CSFB indication information element, the first a mobile switching center receives a handover message sent by the controller; a first mobile switching center determines whether the handover message carries the CSFB indication cell as the handover indication message does not carry the information element CSro extracting the call requesting the CSFB indication information element carried in the CSFB indication cell and carries to a second mobile switching center in a first message; a first mobile switching center to the handover source mobile switching center, said second mobile switching center to the handover target mobile switching center.
  6. 6. 根据权利要求5所述的方法,其特征在于, 所述控制器具体为:无线网络控制器或基站控制器。 6. The method as claimed in claim 5, wherein the controller is specifically as follows: a radio network controller or base station controller.
  7. 7. 根据权利要求6所述的方法,其特征在于, 如所述控制器为基站控制器,所述第一消息具体为:MAP切换请求、初始地址消息、MAP 前传接入信令请求或释放消息中的一个或任意组合;所述呼叫请求为CM业务请求; 如所述控制器为无线网络控制器,所述第一消息具体为:MAP切换请求、MAP前传接入信令请求、INVITE消息或BYE消息中的一个或任意组合;所述呼叫请求为寻呼响应。 7. The method according to claim 6, wherein said controller is a base station controller as the first message specifically is: MAP handover request, an initial address message, the MAP before transfer or release the access signaling request or any combination of a message; the CM service request is a call request; as the controller is a radio network controller, the first message is a: MAP handover request, pass before the MAP signaling access request, the INVITE message or one or any combination of the BYE message; paging response to the call request.
  8. 8. 根据权利要求6所述的方法,其特征在于, 如所述控制器为基站控制器,所述切换消息为:A接口切换请求; 如所述控制器为无线网络控制器,所述切换消息为:Iu接口重定向请求。 8. The method according to claim 6, wherein said controller is a base station controller as the handover message are: A request to switch the interface; if the controller is a radio network controller, the switch message: Iu interface to redirect request.
  9. 9. 一种语音业务在切换后返回长期演进网络的装置,其特征在于,所述装置配置于第一移动交换中心,所述装置包括: 接收单元,用于接收第二移动交换中心发送的第一消息,所述第一消息携带电路域回落语音CSFB指示信元;所述第一消息为所述第二移动交换中心判断出接收到的第二控制器发送的切换消息未携带所述CSFB指示信元时发送的消息; 所述第一移动交换中心为切换中的目标移动交换中心,所述第二移动交换中心为切换中的源移动交换中心; 发送单元,用于在语音业务结束时,向控制器发送携带有CSFB指示信元的第二消息,所述CSFB指示信元用于指示所述控制器将所述CSFB业务返回到长期演进网络。 A voice service return means LTE network after the handover, characterized in that said means disposed in the first mobile switching center, said apparatus comprising: a receiving unit configured to receive a second transmitted from the first mobile switching center a message, the first message carries the CS domain voice down CSFB indication information element; the first message to the second mobile switching center determines that the switch controller receives the second message sent by not carrying the CSFB indication message sent when the cell; the first mobile switching center to the handover target mobile switching center, the second mobile switching center to the handover source mobile switching center; transmitting means for, when the end of the voice service, sending a second message to the controller with a carrying CSFB indication information element, said CSFB indication information element for indicating the CSFB traffic controller returns to the long Term Evolution network.
  10. 10. 根据权利要求9所述的装置,其特征在于, 所述控制器具体为:无线网络控制器或基站控制器。 10. The apparatus according to claim 9, wherein the controller is specifically as follows: a radio network controller or base station controller.
  11. 11. 根据权利要求10所述的装置,其特征在于, 如所述控制器为基站控制器,所述第一消息具体为:MAP切换请求、初始地址消息、MAP 前传接入信令请求或释放消息中的一个或任意组合; 如所述控制器为无线网络控制器,所述第一消息具体为:MAP切换请求、MAP前传接入信令请求、INVITE消息或BYE消息中的一个或任意组合。 11. The apparatus according to claim 10, wherein said controller is a base station controller as the first message specifically is: MAP handover request, an initial address message, the MAP before transfer or release the access signaling request or any combination of a message; if the controller is a radio network controller, the first message is a: MAP handover request, pass before the MAP signaling access request, the INVITE message or the BYE message, or any combination of .
  12. 12. 根据权利要求10所述的装置,其特征在于, 如所述控制器为无线网络控制器,所述第二消息为IU连接释放命令IU RELEASE COMMAND; 如所述控制器为基站控制器,所述第二消息为清除命令Cl ear co_and。 12. The apparatus according to claim 10, characterized in that, as the controller is a radio network controller, the second message is a connection release command IU IU RELEASE COMMAND; as the controller is a base station controller, the second message is a Clear command Cl ear co_and.
  13. 13. —种语音业务的切换装置,其特征在于,所述装置配置于第一移动交换中心,所述装置包括: 接收单元,用于接收控制器发送的呼叫请求,所述呼叫请求携带有电路域回落语音CSFB指示信元,所述呼叫请求包括:CM业务请求或寻呼响应,接收控制器发送的切换消息; 判断单元,用于判断所述切换消息是否携带有所述CSFB指示信元; 提取单元,用于如判断单元判断出所述切换消息未携带所述CSFB指示信元,提取所述呼叫请求携带的所述CSFB指示信元; 发送单元,用于将所述CSFB指示信元携带在第一消息内发送给第二移动交换中心; 所述第一移动交换中心为切换中的源移动交换中心,所述第二移动交换中心为切换中的目标移动交换中心。 13. - species voice services switching means, characterized in that said means arranged in the first mobile switching center, said apparatus comprising: a receiving unit configured to receive a call request sent by the controller, the call request carries circuit domain voice down CSFB indication information element, the call request comprising: CM service request or paging response, receive a handover message sent by the controller; determining means for determining whether the handover message carries the CSFB indication information element; extraction unit, such as a switch determining unit determines that the message does not carry the CSFB indication information element, extracting the call request carries the CSFB indication cell; sending unit, configured to carry the information element indicating the CSFB transmitting the first message to the second mobile switching center; the first mobile switching center to the handover source mobile switching center, the second mobile switching center to the handover target mobile switching center.
  14. 14. 根据权利要求13所述的装置,其特征在于, 所述控制器具体为:无线网络控制器或基站控制器。 14. The apparatus according to claim 13, wherein the controller is specifically as follows: a radio network controller or base station controller.
  15. 15. 根据权利要求14所述的装置,其特征在于, 如所述控制器为基站控制器,所述第一消息具体为:MAP切换请求、初始地址消息、MAP 前传接入信令请求或释放消息中的一个或任意组合;所述呼叫请求为™业务请求; 如所述控制器为无线网络控制器,所述第一消息具体为:MAP切换请求、前传接入信令请求、INVITE消息或BYE消息中的一个或任意组合;所述呼叫请求为寻呼响应。 15. The apparatus according to claim 14, wherein said controller is a base station controller as the first message specifically is: MAP handover request, an initial address message, the MAP before transfer or release the access signaling request or any combination of a message; the call request is a service request ™; as the controller is a radio network controller, the first message is a: MAP handover request, before the access signaling transfer request, the INVITE message or or any combination of a BYE message; paging response to the call request.
  16. 16. 根据权利要求14所述的装置,其特征在于, 如所述控制器为基站控制器,所述切换消息为:A接口切换请求; 如所述控制器为无线网络控制器,所述切换消息为:Iu接口重定向请求。 16. Apparatus according to claim 14, wherein said controller is a base station controller as the handover message are: A request to switch the interface; if the controller is a radio network controller, the switch message: Iu interface to redirect request.
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