WO2011022989A1 - 灵活振铃群组智能业务的触发方法与装置 - Google Patents

灵活振铃群组智能业务的触发方法与装置 Download PDF

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Publication number
WO2011022989A1
WO2011022989A1 PCT/CN2010/072607 CN2010072607W WO2011022989A1 WO 2011022989 A1 WO2011022989 A1 WO 2011022989A1 CN 2010072607 W CN2010072607 W CN 2010072607W WO 2011022989 A1 WO2011022989 A1 WO 2011022989A1
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Prior art keywords
request message
mobile
called
response
indication information
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PCT/CN2010/072607
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English (en)
French (fr)
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宋端成
沈景悦
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中兴通讯股份有限公司
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Publication of WO2011022989A1 publication Critical patent/WO2011022989A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/46—Arrangements for calling a number of substations in a predetermined sequence until an answer is obtained
    • H04M3/465—Arrangements for simultaneously calling a number of substations until an answer is obtained
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/40—Connection management for selective distribution or broadcast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2207/00—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place
    • H04M2207/12—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place intelligent networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2207/00—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place
    • H04M2207/18—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place wireless networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like

Definitions

  • the invention relates to an access technology for a group intelligent service of a flexible alerting (FA), and particularly relates to a method and a device for triggering a flexible ringing group intelligent service.
  • FA flexible alerting
  • Flexible ringing means that a user uses a certain number as a pilot number and binds a group of numbers. When other users dial the pilot number, all the numbers in the group are connected at the same time and ring at the same time, and the called user can choose to connect to them. Any one can achieve the purpose of talking to the calling user. For detailed procedures, see 6.12.2 FA Invocation in TIA41D-with-enhancements-4-bro.pdf.
  • FIG. 1 is a triggering flowchart of an existing flexible ringing group intelligent service. As shown in FIG. 1 , the figure shows a process of including two members in an FA group, where two members are: Mobile number 1: The external user under the HLR; Fixed number 2: Fixed telephone user; The triggering process of the FA group intelligent service includes the following steps:
  • Step 101 The user dials the pilot number.
  • Step 102 Mobile Switching Center (MSC) analyzes the pilot number as a mobile number, and sends a location request message to the home location register (HLR, Home Location Register) to which the number belongs, which carries the pilot number and the mobile terminal call ( Mobile—Termination) trigger.
  • MSC Mobile Switching Center
  • Step 103 The HLR determines that the pilot number has signed the smart service, and carries the Mobile-Termination trigger, and carries the pilot number subscription in the location request response message.
  • Trigger address list ⁇ Initial_Termination, Location, Called_Routing_Address-Available, T_Answer, and T_Disconnect ⁇ .
  • Step 104 The MSC1 sends an analysis information request message to the Service Control Point (SCP), which carries the pilot number and the Initial_Termination trigger.
  • SCP Service Control Point
  • Step 105 After the SCP authenticates the pilot number, the SCP sends an analysis information response message to the MSC1.
  • Step 106 The MSC1 sends a location request message to the home HLR, where the bootstrap number and the Location trigger are carried.
  • Step 107 The HLR determines that the trigger carried in the location request message is a Location, the carried number is a pilot number, and the pilot number signs the smart service, and the HLR further analyzes and determines that the mobile number 1 is an external user under the HLR, then the HLR A routing request message is sent to the MSC2 where the mobile number 1 is located.
  • Step 108 The MSC2 allocates a temporary roaming number for the mobile number 1, and brings the response message to the HLR through the route request.
  • Step 109 The HLR brings the mobile number 1, the roaming number 1 and the fixed number to the MSC1 through the location request response message.
  • Step 110 The MSC1 sends an analysis request request message, triggering a Called_Routing_Address_Available trigger.
  • Step 111 The SCP sends an analysis information response message to the MSC1 to confirm receipt of the analysis information request message.
  • the SCP should charge according to the location information (temporary roaming number) of the called party carried in the analysis information request message; but since this is only the intelligent service triggered by the pilot number, finally Whether the mobile number 1 or the fixed number 2 is connected is still undetermined, so the MSC1 cannot carry the called location information to the SCP, and the SCP is also followed. It is impossible to match the rate and deduct the fee on the account of the pilot number.
  • the main purpose of the present invention is to provide a method and a device for triggering a flexible ringing group intelligent service, which can enable normal triggering of the FA group intelligent service and accurately charge.
  • a method for triggering a flexible ringing group intelligent service includes:
  • the analysis information request message sent by the mobile switching center MSC to the SCP for triggering the available trigger of the called routing address carries the indication information of the FA group intelligent service; and after receiving the response of the connected number, releasing the FA group And the other member number, sending a called response request message for triggering the called response trigger to the SCP, carrying the target number and the redirecting indication information, indicating the SCP charging; wherein, the target number is The number of the connection.
  • the called response request message further carries redirection number information.
  • the destination number in the called response request message is the fixed telephone number
  • the redirect indication information is access to a public switched telephone network (PSTN, The identification information of the Public Switched Telephone Network)
  • PSTN Public Switched Telephone Network
  • the continuation number of the response is the local mobile number
  • the destination number in the called response request message is the local mobile number
  • the redirect indication information is the access to the local network. Identification information.
  • the destination number in the called response request message is a temporary roaming number of the mobile number, and the redirected number is the mobile number
  • the redirecting indication information is the identification information of the access unknown network
  • the continuation number of the response is a fixed telephone number
  • the destination number in the called response request message is the fixed telephone number
  • the redirected number is The fixed telephone number
  • the redirecting indication information is the identification information of the access PSTN
  • the connected number is the local mobile number
  • the destination number in the called response request message is the mobile number
  • the direction number is the local mobile number
  • the redirect indication information is identification information of the local network.
  • a first sending unit configured to send, to the SCP, an analysis information request message for triggering an available trigger of the called routing address, and carrying the indication information of the FA group intelligent service;
  • a receiving unit configured to receive a response of the connected number
  • a second sending unit configured to: after the receiving unit receives the response of the connected number, release the remaining member numbers in the FA group, and send a called response request message for triggering the called response trigger to the SCP, where Carrying the target number and the redirecting indication information, indicating the SCP charging; wherein, the target number is the consecutive number.
  • the called response request message further carries redirection number information.
  • the destination number in the called response request message is the fixed telephone number
  • the redirect indication information is identification information of accessing the PSTN
  • the continuation number of the response is the local mobile number
  • the destination number in the called response request message is the local mobile number
  • the redirect indication information is the identification information of the network accessing the local office.
  • the redirecting indication information is the identification information of the access unknown network; when the continuation number of the response is a fixed telephone number, the destination number in the called response request message is the fixed telephone number, and the redirected number is The fixed telephone number, the redirecting indication information is the identification information of the access PSTN; when the connected number is the local mobile number, the destination number in the called response request message is the mobile number, The direction number is the local mobile number, and the redirect indication information is identification information of the local network.
  • the MSC when the MSC sends an analysis information request message for triggering the Called_Routing_Address_Available trigger to the SCP, the MSC carries the indication information of the FA group intelligent service, and the SCP receives the indication information of the FA group intelligent service. The billing process for the current call is not triggered.
  • the MSC After receiving the response of the connected number, the MSC sends a called response request message for triggering the T_Answer trigger to the SCP, carrying the destination number and the redirecting indication information, where the destination number is the consecutive number of the response.
  • the remaining member numbers in the FA group are released, only the connection of the consecutive numbers of the response is implemented, and the SCP is charged.
  • the invention can realize the triggering and charging of the FA group intelligent service, and enrich and expand the FA group intelligent service.
  • FIG. 1 is a trigger flow chart of an existing flexible ringing group intelligent service
  • FIG. 2 is a trigger flow chart of the FA group intelligent service when the fixed telephone responds to the present invention
  • FIG. 3 is a trigger flow chart of the FA group intelligent service when the external mobile user responds to the present invention
  • FIG. 4 is a mobile user response of the present invention.
  • FIG. 5 is a schematic structural diagram of the triggering device of the flexible ringing group intelligent service.
  • the basic idea of the present invention is: when the MSC sends an analysis information request message to the SCP for triggering the Called_Routing_Address_Available trigger, the MSC carries the indication information of the FA group intelligent service, and the SCP receives the indication information of the FA group intelligent service. Does not trigger the billing process for the current call. After receiving the response of the connected number, the MSC sends a called response request message for triggering the T_Answer trigger to the SCP, carrying the destination number and the redirecting indication information, where the destination number is the consecutive number of the response. At the same time, the remaining member numbers in the FA group are released, only the connection of the consecutive numbers of the response is implemented, and the SCP is charged.
  • the invention can realize the triggering and charging of the FA group intelligent service, and enrich and expand the FA group intelligent service.
  • the present invention adds an indication information of the FA group intelligent service in the Featurelndicator field, which is used to indicate that the current service is an FA group intelligent service, and if the indication information is set to a code value of 39, that is, 39 Flexible AlertingGroup.
  • the setting of the code value is not inconsistent with the existing instruction code, and does not limit the value, and the present invention is merely an illustrative description.
  • T_Answer trigger the TAnswer message in the IS826 protocol needs to be extended, in the following way:
  • DMH_RedirectionIndicator which is used to indicate the last redirected call type, that is, the information of the network indicating the connected number of the accessed response.
  • DMH_RedirectionIndicator which is used to indicate the last redirected call type, that is, the information of the network indicating the connected number of the accessed response.
  • the MSC When the MSC triggers the Called_Routing_Address_Available trigger, it does not carry the routing information, but carries the Featurelndicator parameter, and its value is filled in as 39, indicating that the current service is an FA group intelligent service, so that the SCP does not calculate the rate first and does not charge.
  • the MSC triggers the T_Answer trigger to the SCP. Specifically: If it is a fixed number user response, DestinationDigit fills in the fixed number, does not set the RedirectingNumberDigit parameter, and DMH_RedirectionIndicator fills in 6, indicating that the call is delivered to the PSTN; If it is a foreign mobile user response, DestinationDigit fills in the temporary roaming number assigned to the mobile user by the MSC to which the mobile user belongs.
  • RedirectingNumberDigit is filled in as the mobile user's MDN, DMH_RedirectionIndicator is filled in as 5, indicating access to the unspecified network; if it is the local mobile user response, DestinationDigit is filled in as the mobile user's number, without setting the RedirectingNumberDigit parameter, DMH_RedirectionIndicator is filled in as 23, indicating Access to this Council.
  • the location information of the final called party can be obtained, and the corresponding charging process can be performed.
  • three members are included in the FA group as an example, wherein the three members are: mobile number 1: external user under HLR; mobile number 2: local user under HLR ; Fixed number 3: Fixed telephone subscriber.
  • mobile number 1 external user under HLR
  • mobile number 2 local user under HLR
  • Fixed number 3 Fixed telephone subscriber
  • the triggering process of the FA group intelligent service when the fixed telephone answers in this example includes the following steps:
  • Step 201 The user dials the pilot number.
  • Step 202 The MSC1 analyzes the pilot number as a mobile number, and sends a location request message to the HLR to which the number belongs, where the pilot number and the Mobile-Termination trigger are carried.
  • Step 203 The HLR determines that the pilot number has signed the smart service, and carries the Mobile-Termination trigger, and the location request response message returned to the MSC1 carries the trigger address list ⁇ Initial_Termination, Location, Called_Routing_Address_Available, T_Answer and T_Disconnect ⁇ .
  • Step 204 The MSC1 sends an analysis information request message to the SCP, where the pilot number and the Initial-Termination trigger are carried.
  • Step 205 The SCP authenticates the pilot number, and sends an analysis information response message to the MSC1 to the MSC1.
  • Step 207 The HLR determines that the trigger carried in the location request message is a Location, where the carried number is a pilot number, and the pilot number signs the smart service, and the HLR further determines that the mobile number 1 is the user of the local HLR, and then moves to the mobile number 1 The MSC2 where it is located sends a route request message.
  • Step 208 The MSC2 allocates a temporary roaming number to the mobile number 1, and sends the message to the HLR through a route request response message.
  • Step 209 The HLR sends the mobile number 1, the roaming number 1, the mobile number 2, the mobile identification number (MIN), and the mobile number 2 to the MSC1 in the local office's indication and the fixed number 3 through the location request response message.
  • MIN mobile identification number
  • Step 210 The MSC1 sends an analysis information request message to the SCP, triggering a Called_Routing_Address_Available trigger, and the SCP determines that the current trigger service is an FA group intelligent service, and the Featurelndicator parameter is filled in 39, indicating that the service type currently triggered by the SCP is a same vibration group. Smart business.
  • Step 211 The SCP determines that the current service is an FA group intelligent service, and the SCP sends the analysis information response message directly to the MSC1 without first calculating the rate.
  • Step 212a The MSC1 sends an initial address message to the PSTN network to connect to the fixed telephone 3.
  • Step 212b The MSC1 sends an initial address message to the MSC2, carries the roaming number 1, and connects the mobile number 1.
  • Step 212c The MSC1 sends a paging message to the BSC to continue the mobile number 2.
  • Step 213 The MSC1 receives the fixed telephone 3 response message, first releases the call branch of the mobile number 1 and the mobile number 2, and then triggers the T_Answer trigger to the SCP, where the DestinationDigit fills in the fixed number 3, the RedirectingNumberDigit parameter is not set, and the DMH_RedirectionIndicator is filled in as 6, indicating access to the PSTN.
  • the SCP starts calculating the rate, starting the billing, and the like according to the DestinationDigit parameter and the DMH_RedirectionIndicator parameter in the TAnswer message in the called response request message.
  • the triggering process of the FA group intelligent service when the external mobile subscriber responds in this example includes the following steps:
  • Steps 301 to 312 are identical to steps 201 to 212 shown in Fig. 2, and the implementation details thereof will not be described herein.
  • Step 313 The MSC1 receives the response message of the mobile number 1, first releases the call branch connecting the fixed telephone 3 and the mobile number 2, and then triggers the T_Answer trigger to the SCP, where the DestinationDigit fills in the roaming number 1 assigned to the mobile number 1, and the RedirectingNumberDigit is filled in.
  • DMH_RedirectionIndicator is filled in as 5, indicating access to the unspecified network.
  • the SCP starts calculating the rate, starting the billing, and the like according to the DestinationDigit parameter and the DMH_RedirectionIndicator parameter in the TAnswer message in the called response request message.
  • FIG. 4 is a triggering flowchart of the FA group intelligent service when the mobile user responds to the local mobile terminal of the present invention.
  • the triggering process of the FA group intelligent service in the example of the local mobile user response includes the following steps:
  • Steps 401 to 412 are identical to steps 201 to 212 shown in Fig. 3, and the implementation details thereof will not be described herein.
  • Step 413 The MSC1 receives the response message of the mobile number 2, and first releases the connection fixed telephone.
  • T_Answer triggers the SCP, where DestinationDigit is filled in as mobile number 2, the RedirectingNumberDigit parameter is not set, and DMH_RedirectionIndicator is filled in as 23, indicating access to this office.
  • the SCP starts calculating the rate, starting the billing, and the like according to the DestinationDigit parameter and the DMH_RedirectionIndicator parameter in the TAnswer message in the called response request message.
  • the RensingNumberDigit parameter may be set in the TAnswer message.
  • the connection number is a fixed telephone number or a local mobile number
  • the RedirectingNumberDigit is filled in as a fixed telephone number or a local mobile number. Or fill in the number of specific meaningless bits.
  • the technical solution of the present invention is applicable to the second generation mobile communication system and the third generation mobile communication system.
  • the service control point is also called SCPe (Service Control Point Emulation)
  • the home location register is also called HLRe (Home Location Register Emulation)
  • the mobile switching center is also called MSCE (Mobile Switching Center Emulation)
  • MSCE Mobile Switching Center Emulation
  • FIG. 5 is a schematic structural diagram of a triggering device for a flexible ringing group intelligent service according to the present invention.
  • the triggering device for the flexible ringing group intelligent service includes a first sending unit 50, a receiving unit 51, and a a sending unit 52, where the first sending unit 50 is configured to send an analysis information request message for triggering the trigger of the called routing address to the SCP, and carry the indication information of the FA group intelligent service; the receiving unit 51 is configured to receive The second sending unit 52 is configured to release the remaining member numbers in the FA group after receiving the response of the connected number, and send the used to trigger the called response trigger to the SCP.
  • the acknowledgment request message carries the target number and the redirecting indication information, and indicates the SCP charging.
  • the target number is the continuation number.
  • the called response request message further carries the redirected number information.
  • the continuation number of the response is a fixed telephone number
  • the destination number in the called response request message is the fixed telephone number
  • the redirect indication information is identification information of accessing the PSTN;
  • the destination number in the called response request message is the temporary roaming number of the mobile number
  • the redirected number is the mobile number
  • the redirecting indication information is accessing the unknown network.
  • the identification information when the connection number is the local mobile number, the destination number in the called response request message is the mobile number, and the redirect indication information is the identification information of the network accessing the local office.
  • the called response request message carries the redirected number information, and when the connected consecutive number is a fixed telephone number or a local mobile number, the redirected number is the fixed telephone number or the local mobile number .
  • the triggering device for the flexible ringing group intelligent service shown in FIG. 5 of the present invention is designed to implement the FA group intelligent service triggering method shown in FIG. 2 to FIG. 4, as shown in FIG.
  • the implementation functions of the processing units in the device can be understood by referring to the related descriptions in the methods shown in FIG. 2 to FIG. 4, and the functions of each unit can be implemented by a program running on the processor, or by corresponding logic circuits. And realized.

Description

灵活振铃群组智能业务的触发方法与装置 技术领域
本发明涉及灵活振铃（FA, Flexible Alerting )群组智能业务的接入技 术， 尤其涉及一种灵活振铃群组智能业务的触发方法与装置。 背景技术
灵活振铃是指用户用某一个号码作为引导号码， 绑定一组号码， 当其 他用户拨打该引导号码时， 该组内所有号码被同时接续， 同时振铃， 而被 叫用户可以选择接其中任意一个即可实现与主叫用户通话的目的。 其详细 流程参见《TIA41D-with-enhancements-4-bro.pdf》中的 6.12.2 FA Invocation。
上述 41D协议针对 FA业务只涉及了普通用户的流程， 并没有涉及群 组智能业务（对引导号码触发智能呼叫） 的触发流程， 而在智能业务相关 协议如 IS826中只涉及了基本呼叫类业务， 没有涉及 FA群组智能业务的处 理。 图 1为现有的灵活振铃群组智能业务的触发流程图， 如图 1所示， 本 图示出的是以 FA群组中包括两个成员的流程， 其中， 两个成员分别为： 移 动号码 1 :HLR下的外局用户； 固定号码 2:固定电话用户； FA群组智能业务 的触发流程包括以下步骤：
步骤 101 : 用户拨打引导号码。
步骤 102: 移动交换中心（MSC, Mobile Switching Center ) MSC1分析 引导号码为移动号码， 向该号码归属的归属位置寄存器 （HLR , Home Location Register ) 发送位置请求消息， 其中携带引导号码和移动终呼 ( Mobile—Termination )触发器。
步骤 103 : HLR 确定该引导号码签约了智能业务， 并且携带的是 Mobile—Termination触发器， 则在位置请求响应消息中携带该引导号码签约 的触发器地址列表 {初始 4匕终呼（Initial_Termination )、 位置（ Location )、 被 叫路由地址可用（ Called_Routing_ Address—Available )、被叫应答（ T_Answer ) 和被叫挂机 ( T_Disconnect ) }。
步骤 104: MSC1向业务控制点 （SCP, Service Control Point )发送分 析信息请求消息， 携带有引导号码和 Initial_Termination触发器。
步骤 105 : SCP 对引导号码鉴权通过后， 发送分析信息响应消息给 MSC1。
步骤 106: MSC1发送位置请求消息给归属的 HLR,其中携带有引导号 码和 Location触发器。
步骤 107: HLR确定位置请求消息中携带的触发器是 Location,携带的 号码是引导号码， 且引导号码签约了智能业务， HLR进一步分析确定移动 号码 1是本 HLR下的外局用户后， 则 HLR向移动号码 1所在的 MSC2发 送路由请求消息。
步骤 108: MSC2为移动号码 1分配临时漫游号码， 并通过路由请求响 应消息带给 HLR。
步骤 109: HLR通过位置请求响应消息， 将移动号码 1、 漫游号码 1和 固定号码带给 MSC1。
步 骤 110 ： MSC1 发 送 分 析 信 息 请 求 消 息 ， 触 发 Called_Routing_Address_Available触发器。
步骤 111 : SCP向 MSC1发送分析信息响应消息，确认接收到分析信息 请求消息。
此时问题就出现了， 正常的智能呼叫， SCP要根据分析信息请求消息 中携带的被叫的位置信息 （临时漫游号码）进行计费； 但是由于这里仅是 对引导号码触发的智能业务、最终到底接通的是移动号码 1还是固定号码 2 都还不能确定， 因此 MSC1无法携带被叫的位置信息到 SCP, SCP后续也 就无法进行费率的匹配以及在引导号码的账户上进行扣费。 发明内容
有鉴于此， 本发明的主要目的在于提供一种灵活振铃群组智能业务的 触发方法与装置， 能使 FA群组智能业务的正常触发并能准确计费。
为达到上述目的， 本发明的技术方案是这样实现的：
一种灵活振铃群组智能业务的触发方法， 包括：
移动交换中心 MSC向 SCP发送的用于触发被叫路由地址可用触发器的 分析信息请求消息中携带有 FA群组智能业务的指示信息；并在接收到接续 的号码的应答后， 释放 FA群组中其余成员号码， 向所述 SCP发送用于触 发被叫应答触发器的被叫应答请求消息， 携带有目标号码及改向指示信息， 指示所述 SCP计费； 其中， 所述目标号码为所述接续的号码。
优选地， 所述被叫应答请求消息中还携带有改向号码信息。
优选地， 所述应答的接续的号码为固定电话号码时， 所述被叫应答请 求消息中的目的号码为所述固定电话号码， 所述改向指示信息为接入公共 交换电话网络（PSTN, Public Switched Telephone Network ) 的标识信息； 所述应答的接续的号码为本局移动号码时， 所述被叫应答请求消息中目的 号码为所述本局移动号码， 所述改向指示信息为接入本局网络的标识信息。
优选地， 所述应答的接续的号码为外局移动号码时， 所述被叫应答请 求消息中目的号码为所述移动号码的临时漫游号码、 所述改向号码为所述 移动号码， 所述改向指示信息为接入未知网络的标识信息； 所述应答的接 续的号码为固定电话号码时， 所述被叫应答请求消息中的目的号码为所述 固定电话号码， 所述改向号码为所述固定电话号码， 所述改向指示信息为 接入 PSTN 的标识信息； 所述接续的号码为本局移动号码时， 所述被叫应 答请求消息中目的号码为所述移动号码， 所述改向号码为所述本局移动号 码， 所述改向指示信息为接入本局网络的标识信息。 一种灵活振铃群组智能业务的触发装置， 包括：
第一发送单元， 用于向 SCP发送用于触发被叫路由地址可用触发器的 分析信息请求消息， 携带有 FA群组智能业务的指示信息；
接收单元， 用于接收接续的号码的应答； 以及
第二发送单元， 用于在所述接收单元接收到接续的号码的应答后向释 放 FA群组中其余成员号码， 向所述 SCP发送用于触发被叫应答触发器的 被叫应答请求消息，携带有目标号码及改向指示信息，指示所述 SCP计费； 其中， 所述目标号码为所述接续的号码。
优选地， 所述被叫应答请求消息中还携带有改向号码信息。
优选地， 所述应答的接续的号码为固定电话号码时， 所述被叫应答请 求消息中的目的号码为所述固定电话号码，所述改向指示信息为接入 PSTN 的标识信息； 所述应答的接续的号码为本局移动号码时， 所述被叫应答请 求消息中目的号码为所述本局移动号码， 所述改向指示信息为接入本局网 络的标识信息。
优选地， 所述应答的接续的号码为外局移动号码时， 所述被叫应答请 求消息中目的号码为所述移动号码的临时漫游号码、 所述改向号码为所述 移动号码， 所述改向指示信息为接入未知网络的标识信息； 所述应答的接 续的号码为固定电话号码时， 所述被叫应答请求消息中的目的号码为所述 固定电话号码， 所述改向号码为所述固定电话号码， 所述改向指示信息为 接入 PSTN 的标识信息； 所述接续的号码为本局移动号码时， 所述被叫应 答请求消息中目的号码为所述移动号码， 所述改向号码为所述本局移动号 码， 所述改向指示信息为接入本局网络的标识信息。
本 发 明 中 ， MSC 在 向 SCP 发 送 的 用 于 触 发 Called_Routing_Address_Available 触发器的分析信息请求消息时， 携带有 FA群组智能业务的指示信息， SCP在接收到 FA群组智能业务的指示信息 时，并不触发对当前呼叫的计费流程。 MSC在接收到接续的号码的应答后， 向 SCP发送用于触发 T_Answer触发器的被叫应答请求消息， 携带有目的 号码及改向指示信息， 此处的目的号码即为应答的接续的号码， 同时释放 FA群组中其余成员号码，仅实现对该应答的接续的号码的接续，并指示 SCP 计费。 本发明可以实现 FA群组智能业务的触发及计费， 丰富和扩展了 FA 群组智能业务。 附图说明
图 1为现有的灵活振铃群组智能业务的触发流程图；
图 2是本发明固定电话应答时 FA群组智能业务的触发流程图； 图 3是本发明外局移动用户应答时 FA群组智能业务的触发流程图； 图 4是本发明本局移动用户应答时 FA群组智能业务的触发流程图； 图 5为本发灵活振铃群组智能业务的触发装置的组成结构示意图。 具体实施方式
本发明的基本思想是： MSC 在向 SCP 发送的用 于触发 Called_Routing_Address_Available 触发器的分析信息请求消息时， 携带有 FA群组智能业务的指示信息， SCP在接收到 FA群组智能业务的指示信息 时，并不触发对当前呼叫的计费流程。 MSC在接收到接续的号码的应答后， 向 SCP发送用于触发 T_Answer触发器的被叫应答请求消息， 携带有目的 号码及改向指示信息， 此处的目的号码即为应答的接续的号码， 同时释放 FA群组中其余成员号码，仅实现对该应答的接续的号码的接续，并指示 SCP 计费。 本发明可以实现 FA群组智能业务的触发及计费， 丰富和扩展了 FA 群组智能业务。
为使本发明的目的、 技术方案和优点更加清楚明白， 以下举实施例并 参照附图， 对本发明进一步详细说明。 该字段在协议中的定义如表 1所示:
Figure imgf000008_0001
表 1
如表 1所示，本发明在 Featurelndicator字段中增加一个 FA群组智能业务的 指示信息， 用于指示当前的业务为 FA群组智能业务， 如设置该指示信息的 代码值为 39, 即 39表示 flexible AlertingGroup。 代码值的设置以不与现有 的指示代码冲突为准， 并不限定具有的值， 本发明仅是示例性的说明。
另外， 还需要对 IS826协议中的 TAnswer消息（ T_Answer触发器）进 行扩展， 具体方式 ¾口下：
1 )增加一个可选的参数 DestinationDigit (目的号码）， 用来表示最终 接续的号码；
2 )增加一个可选的参数 RedirectingNumberDigit (改向号码）， 用来在 临时本地号码 ( TLDN, Temporary Local Directory Number ) 出局的情况下， 用来指示该 TLDN号码对应的改向用户号码。 这里的改向号码的意义不同 于正常前转的改向号码，而是表示 FA成员为移动用户的时该成员的移动台 号码（ MDN, Mobile Directory Number ), 此时目的号码对应为漫游号码。 当应答的接续的号码为 固定电话或本局移动号码时， 该参数 RedirectingNumberDigit中填入的是当前接续的固定电话或本局移动号码， 或不设置该参数；
3 )增加一个可选的参数 DMH_RedirectionIndicator (改向指示）， 用来 表示最后一次改向的呼叫类型， 即指示接入的应答的接续的号码的网络的 信息。 本发明中， TAnswer消息经过扩充后， 具体结构如表 2所示， 其中， 加 粗斜体部分即为扩充的参数。
Figure imgf000009_0001
表 2
当 MSC触发 Called_Routing_Address_Available触发器时， 不携带路由 信息， 而是携带 Featurelndicator参数， 其值填写为 39 , 指示当前的业务为 FA群组智能业务， 使 SCP先不算费率， 不计费。
同振的一个呼叫分支应答之后， MSC触发 T_Answer触发器到 SCP, 具体的： 如果是固定号码用户应答， 则 DestinationDigit填写该固定号码， 不设置 RedirectingNumberDigit参数, DMH_RedirectionIndicator填写为 6, 指示呼叫传递到 PSTN; 如果是外局移动用户应答，则 DestinationDigit填写 该移动用户所属的 MSC 为该移动用户分配的临时漫游号码， RedirectingNumberDigit 填 写 为 该 移 动 用 户 的 MDN , DMH_RedirectionIndicator填写为 5 , 指示接入到未指定网络； 如果是本局 移动用户应答， 则 DestinationDigit 填写为该移动用户的号码， 可不设置 RedirectingNumberDigit参数， DMH_RedirectionIndicator填写为 23 ,指示接 入到本局。
SCP被上述的 T_Answer触发器触发后，就可以获取最终被叫的位置信 息了， 就可以进行相应的计费流程了。
本发明的示例中 ,是以 FA群组中包括三个成员为例进行说明的，其中， 三个成员分别为：移动号码 1 :HLR下的外局用户；移动号码 2:HLR下的本局 用户； 固定号码 3:固定电话用户。 以下通过具体的示例， 进一步阐明本发 明技术方案的实质。
图 2是本发明固定电话应答时 FA群组智能业务的触发流程图， 如图 2 所示， 本示例的固定电话应答时 FA群组智能业务的触发流程包括以下步 骤：
步骤 201 : 用户拨打引导号码。
步骤 202: MSC1分析引导号码为移动号码， 向该号码归属的 HLR发 送位置请求消息， 其中携带引导号码和 Mobile—Termination触发器。
步骤 203 : HLR 确定该引导号码签约了智能业务， 并且携带有 Mobile—Termination触发器 , 则在向 MSC1返回的位置请求响应消息中携带 该引导号码签约的触发器地址列表 {Initial_Termination、 Location、 Called_Routing_Address_Available、 T_Answer和 T_Disconnect }。
步骤 204: MSC1向 SCP发送分析信息请求消息，其中携带有引导号码 和 Initial—Termination触发器。
步骤 205: SCP对引导号码鉴权通过，向 MSC1发送分析信息响应消息 给 MSC1。 步骤 206: MSC1发送位置请求消息给 MSC1归属的 HLR, 其中携带 引导号码和 Location触发器。
步骤 207: HLR确定位置请求消息中携带的触发器是 Location, 其中携 带的号码是引导号码， 且引导号码签约了智能业务， 则 HLR进一步确定移 动号码 1是本 HLR的用户， 则向移动号码 1所在的 MSC2发送路由请求消 息。
步骤 208: MSC2为移动号码 1分配临时漫游号码， 并通过路由请求响 应消息发送给 HLR。
步骤 209: HLR通过位置请求响应消息， 将移动号码 1、 漫游号码 1、 移动号码 2、 移动识别码（MIN, Mobile Identification Number ) MIN2, 移 动号码 2在本局的指示和固定号码 3发送给 MSC1。
步骤 210： MSC1 向 SCP 发送分析信息请求消息， 触发 Called_Routing_Address_Available触发器， SCP确定当前触发业务是 FA群 组智能业务， 此时 Featurelndicator参数中填写为 39, 指示 SCP当前触发的 业务类型是同振群组智能业务。
步骤 211 : SCP根据确定出当前业务是 FA群组智能业务， SCP先不算 费率， 直接发送分析信息响应消息给 MSC1。
步骤 212a: MSC1发送初始地址消息到 PSTN网络，接续固定电话 3。 步骤 212b: MSC1发送初始地址消息到 MSC2, 携带漫游号码 1 , 接续 移动号码 1。
步骤 212c: MSC1发送寻呼消息到 BSC, 接续移动号码 2。
步骤 213: MSC1收到固定电话 3应答消息， 先释放接续移动号码 1和 移动号码 2 的呼叫分支， 然后触发 T_Answer 触发器到 SCP , 其中 DestinationDigit中填写固定号码 3 , 不设置 RedirectingNumberDigit参数， DMH_RedirectionIndicator填写为 6, 指示接入到 PSTN。 SCP根据被叫应答请求消息中的 TAnswer消息中 DestinationDigit参数 及 DMH_RedirectionIndicator参数， 开始计算费率、 开始计费等操作。
图 3是本发明外局移动用户应答时 FA群组智能业务的触发流程图，如 图 3所示，本示例外局移动用户应答时 FA群组智能业务的触发流程包括以 下步骤：
步骤 301至步骤 312与图 2所示的步骤 201至步骤 212完全相同， 这 里不再赘述其实现细节。
步骤 313: MSC1接收到移动号码 1的应答消息， 先释放接续固定电话 3 和移动号码 2 的呼叫分支， 然后触发 T_Answer触发器到 SCP, 其中 DestinationDigit 填写 为 移 动 号码 1 分 配 的 漫游号码 1 , RedirectingNumberDigit填写为移动号码 1 , DMH_RedirectionIndicator填写 为 5 , 指示接入到未指定网络。
SCP根据被叫应答请求消息中的 TAnswer消息中 DestinationDigit参数 及 DMH_RedirectionIndicator参数， 开始计算费率、 开始计费等操作。
图 4是本发明本局移动用户应答时 FA群组智能业务的触发流程图，如 图 4所示，本示例本局移动用户应答时 FA群组智能业务的触发流程包括以 下步骤：
步骤 401至步骤 412与图 3所示的步骤 201至步骤 212完全相同， 这 里不再赘述其实现细节。
步骤 413: MSC1接收到移动号码 2的应答消息， 先释放接续固定电话
3 和移动号码 1 的呼叫分支， 然后触发 T_Answer触发器到 SCP, 其中 DestinationDigit填写为移动号码 2, 不设置 RedirectingNumberDigit参数, DMH_RedirectionIndicator填写为 23 , 指示接入到本局。
SCP根据被叫应答请求消息中的 TAnswer消息中 DestinationDigit参数 及 DMH_RedirectionIndicator参数， 开始计算费率、 开始计费等操作。 需要说明的是， 为使 TAnswer消息格式统一， 可设定 TAnswer消息中 包含 RedirectingNumberDigit参数， 在接续的号码为固定电话号码或是本局 移动号码时， 该 RedirectingNumberDigit填写为固定电话号码或是本局移动 号码， 或者填写为特定的无意义的比特数。
本发明的技术方案适用于第二代移动通信系统及第三代移动通信系 统， 在第三代移动通信系统中， 业务控制点又称为 SCPe ( Service Control Point Emulation ), 归属位置寄存器又称为 HLRe ( Home Location Register Emulation ) , 移动交换中心又称为 MSCE ( Mobile Switching Center Emulation ), 但其实现流程都是相同的。
图 5 为本发灵活振铃群组智能业务的触发装置的组成结构示意图， 如 图 5所示， 本发灵活振铃群组智能业务的触发装置包括第一发送单元 50、 接收单元 51和第二发送单元 52, 其中， 第一发送单元 50用于向 SCP发送 用于触发被叫路由地址可用触发器的分析信息请求消息，携带有 FA群组智 能业务的指示信息； 接收单元 51用于接收接续的号码的应答； 第二发送单 元 52用于在接收单元 51接收到接续的号码的应答后向释放 FA群组中其余 成员号码，向所述 SCP发送用于触发被叫应答触发器的被叫应答请求消息， 携带有目标号码及改向指示信息， 指示所述 SCP计费； 其中， 所述目标号 码为所述接续的号码。 所述应答的接续的号码为外局移动号码时， 所述被 叫应答请求消息中还携带有改向号码信息。 所述应答的接续的号码为固定 电话号码时， 所述被叫应答请求消息中的目的号码为所述固定电话号码， 所述改向指示信息为接入 PSTN 的标识信息； 所述接续的号码为外局移动 号码时， 所述被叫应答请求消息中目的号码为所述移动号码的临时漫游号 码、 所述改向号码为所述移动号码， 所述改向指示信息为接入未知网络的 标识信息； 所述接续的号码为本局移动号码时， 所述被叫应答请求消息中 目的号码为所述移动号码， 所述改向指示信息为接入本局网络的标识信息。 所述被叫应答请求消息中携带有改向号码信息， 而所述响应的接续的号码 为固定电话号码或本局移动号码时， 所述改向号码为所述固定电话号码或 所述本局移动号码。
本领域技术人员应当理解， 本发明图 5 所示的灵活振铃群组智能业务 的触发装置是为实现图 2至图 4所示的 FA群组智能业务触发方法而设计 的， 图 5所示装置中的各处理单元的实现功能可参照图 2至图 4所示的方 法中的相关描述而理解， 各单元的功能可通过运行于处理器上的程序而实 现， 也可通过相应的逻辑电路而实现。
以上所述， 仅为本发明的较佳实施例而已， 并非用于限定本发明的保 护范围。

Claims

权利要求书
1、 一种灵活振铃群组智能业务的触发方法， 其特征在于， 所述方法包 括：
移动交换中心 MSC在向业务控制点 SCP发送的、用于触发被叫路由地 址可用触发器的分析信息请求消息中，携带灵活振铃 FA群组智能业务的指 示信息； 并在接收到接续的号码的应答后， 释放 FA群组中其余成员号码， 向所述 SCP发送用于触发被叫应答触发器的被叫应答请求消息；
其中， 所述被叫应答请求消息携带有目标号码及改向指示信息， 指示 所述 SCP计费； 所述目标号码为所述接续的号码。
2、 根据权利要求 1所述的方法， 其特征在于， 所述被叫应答请求消息 中还携带有改向号码信息。
3、 根据权利要求 1所述的方法， 其特征在于， 所述应答的接续的号码 为固定电话号码时， 所述被叫应答请求消息中的目的号码为所述固定电话 号码， 所述改向指示信息为接入公共交换电话网络 PSTN的标识信息； 所述应答的接续的号码为本局移动号码时， 所述被叫应答请求消息中 目的号码为所述本局移动号码， 所述改向指示信息为接入本局网络的标识 信息。
4、 根据权利要求 2所述的方法， 其特征在于， 所述应答的接续的号码 为外局移动号码时， 所述被叫应答请求消息中目的号码为所述移动号码的 临时漫游号码、 所述改向号码为所述移动号码， 所述改向指示信息为接入 未知网络的标识信息；
所述应答的接续的号码为固定电话号码时， 所述被叫应答请求消息中 的目的号码为所述固定电话号码， 所述改向号码为所述固定电话号码， 所 述改向指示信息为接入 PSTN的标识信息；
所述接续的号码为本局移动号码时， 所述被叫应答请求消息中目的号 码为所述移动号码， 所述改向号码为所述本局移动号码， 所述改向指示信 息为接入本局网络的标识信息。
5、 一种灵活振铃群组智能业务的触发装置， 其特征在于， 所述装置包 括第一发送单元、 接收单元和第二发送单元； 其中，
第一发送单元， 用于在向 SCP发送用于触发被叫路由地址可用触发器 的分析信息请求消息， 携带 FA群组智能业务的指示信息；
接收单元， 用于接收接续的号码的应答；
第二发送单元， 用于在所述接收单元接收到接续的号码的应答后向释 放 FA群组中其余成员号码， 向所述 SCP发送用于触发被叫应答触发器的 被叫应答请求消息， 其中， 所述被叫应答请求消息携带有目标号码及改向 指示信息， 指示所述 SCP计费； 所述目标号码为所述接续的号码。
6、 根据权利要求 5所述的装置， 其特征在于， 所述被叫应答请求消息 中还携带有改向号码信息。
7、 根据权利要求 5所述的装置， 其特征在于， 所述应答的接续的号码 为固定电话号码时， 所述被叫应答请求消息中的目的号码为所述固定电话 号码， 所述改向指示信息为接入 PSTN的标识信息；
所述应答的接续的号码为本局移动号码时， 所述被叫应答请求消息中 目的号码为所述本局移动号码， 所述改向指示信息为接入本局网络的标识 信息。
8、 根据权利要求 6所述的装置， 其特征在于， 所述应答的接续的号码 为外局移动号码时， 所述被叫应答请求消息中目的号码为所述移动号码的 临时漫游号码、 所述改向号码为所述移动号码， 所述改向指示信息为接入 未知网络的标识信息；
所述应答的接续的号码为固定电话号码时， 所述被叫应答请求消息中 的目的号码为所述固定电话号码， 所述改向号码为所述固定电话号码， 所 述改向指示信息为接入 PSTN的标识信息；
所述接续的号码为本局移动号码时， 所述被叫应答请求消息中目的号 码为所述移动号码， 所述改向号码为所述本局移动号码， 所述改向指示信 息为接入本局网络的标识信息。
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