WO2011022996A1 - 移动台接入寻线群组智能业务的触发方法与装置 - Google Patents

移动台接入寻线群组智能业务的触发方法与装置 Download PDF

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Publication number
WO2011022996A1
WO2011022996A1 PCT/CN2010/072752 CN2010072752W WO2011022996A1 WO 2011022996 A1 WO2011022996 A1 WO 2011022996A1 CN 2010072752 W CN2010072752 W CN 2010072752W WO 2011022996 A1 WO2011022996 A1 WO 2011022996A1
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Prior art keywords
request message
mobile
called
response
triggering
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PCT/CN2010/072752
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English (en)
French (fr)
Inventor
宋端成
杨明贵
陈燕
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中兴通讯股份有限公司
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Priority to US13/389,532 priority Critical patent/US20120142326A1/en
Publication of WO2011022996A1 publication Critical patent/WO2011022996A1/zh

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    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/80—Rating or billing plans; Tariff determination aspects
    • H04M15/8038—Roaming or handoff
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/24—Accounting or billing

Definitions

  • the present invention relates to an access technology for a mobile intelligent access service (MAH) group intelligent service, and more particularly to a method and apparatus for triggering a mobile station to access a hunt group intelligent service.
  • MAH mobile intelligent access service
  • FIG. 1 is a trigger flow chart of the existing mobile station accessing the hunt group intelligent service. As shown in Figure 1, the triggering process of the MAH group intelligent service includes the following steps:
  • Step 101 The user dials the pilot number.
  • Step 102 The Mobile Switching Center (MSC) analyzes the pilot number as a mobile number, and sends a location request message to the HLR to which the number belongs, which carries a pilot number and a Mobile-Termination trigger.
  • MSC Mobile Switching Center
  • Step 103 The HLR determines that the number carried in the location request message is a guide in the MAH group.
  • the number, and the smart service is signed, and also carries the Mobile_Termination trigger, and the trigger address address list of the pilot number subscription is carried in the location request response message ⁇ Initial-Termination, Location, Called
  • the routing address is available ( Called_Routing_Address_Available ), the called response ( T_Answer ) and the called hang-up ( T_Disconnect ) ⁇ .
  • Step 104 The MSC1 sends an analysis information request message to the Service Control Point (SCP), where the pilot number and the Initial-Termination trigger are carried.
  • SCP Service Control Point
  • Step 105 The SCP authenticates the pilot number and sends an analysis information response message to the MSC1.
  • Step 107 The HLR determines that the trigger carried in the location request message is a Location, and the carried number is a pilot number. The HLR further analyzes that the first connection number in the MAH group is a fixed number 1, and the HLR passes the location request response message. The fixed number 1 is sent to MSC1.
  • Step 108 The MSC1 continues to send the analysis information request message, triggering the Called_Routing_Address_Available trigger.
  • Step 109 The SCP sends an analysis information response message to the MSC1 to confirm receipt of the analysis information request message.
  • the main purpose of the present invention is to provide a triggering method and device for a mobile station to access a hunt group intelligent service, which can enable normal triggering and accurate charging of the MAH group intelligent service.
  • a method for triggering a mobile station to access a hunt group intelligent service includes:
  • the analysis information request message sent by the mobile switching center MSC to the service control point SCP for triggering the called routing address available trigger carries the indication information that the mobile station accesses the hunt MAH group intelligent service; and receives the connection After the response of the number, the called response request message for triggering the called response trigger is sent to the SCP, and carries the destination number and the redirect indication information to instruct the SCP to charge.
  • the method further includes:
  • the MSC sends a redirected number request message to the home location register HLR to initiate a connection to the next number in the MAH group.
  • 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 an identifier of accessing the public switched telephone network PSTN.
  • the destination number of the called response request message is the local mobile number
  • the redirect indication information is the identification information of the local network.
  • 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 identification information of the access PSTN
  • the connected number is the local mobile number
  • the called The destination number in the request message is the mobile number
  • the redirected number is the mobile number of the local office
  • the redirecting indication information is the identification information of the network accessing the local office.
  • a triggering device for a mobile station to access a hunt group intelligent service includes:
  • a first sending unit configured to send, to the SCP, an analysis information request message for triggering a trigger of the called routing address, carrying the indication information of the MAH group intelligent service
  • a receiving unit configured to receive a response of the connected number
  • a second sending unit configured to send, after the receiving unit receives the response of the connected number, a called response request message for triggering the called response trigger to the SCP, carrying the destination number and the redirecting indication information, Instructing the SCP to charge.
  • the device further includes:
  • a third sending unit configured to send a redirecting number request message to the HLR when the consecutive number connection fails, triggering a connection to the next number in the MAH group.
  • 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 number is the mobile number of the local office
  • the code indicates that the redirecting indication information is identifier information that is connected to the network of the local office.
  • the MSC is sent to the SCP for triggering
  • the Called_Routing_Address_Available trigger information request message carries the indication information of the MAH group intelligent service.
  • the SCP does not trigger the charging process for the current call.
  • 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, implementing the connection of the connected number, and instructing the SCP to charge.
  • the invention can implement the triggering and charging of the MAH group intelligent service, and enrich and expand the MAH group service.
  • FIG. 1 is a trigger flow chart of an existing mobile station accessing a hunt group intelligent service
  • FIG. 2 is a trigger flow diagram of an intelligent service when a fixed telephone of the present invention is used as a user of a MAH group;
  • FIG. 3 is a triggering flowchart of a smart service when a mobile phone user responds after a fixed telephone connection fails in the MAH group of the present invention
  • FIG. 4 is a flowchart of triggering a smart service when a local mobile subscriber responds after a fixed telephone connection fails in the MAH group of the present invention
  • FIG. 5 is a schematic structural diagram of a triggering apparatus for a mobile station to access a hunt group intelligent service according to the present invention. detailed description
  • 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 MAH group intelligent service, and the SCP receives the indication information of the MAH group intelligent service. , does not trigger the billing process for the current call.
  • the MSC should receive the serial number After the answer, the called response request message for triggering the T_Answer trigger is sent to the SCP, carrying the destination number and the redirect indication information, implementing the connection of the connected number, and instructing the SCP to charge.
  • the invention can implement triggering and charging of the MAH group intelligent service, and enrich and expand the MAH group service.
  • the present invention adds an indication of the MAH group intelligent service in the Featurelndicator field, which is used to indicate that the current service is an MAH group intelligent service. If the code value of the indication information is set to 40, that is, 40: Mobile AccessHuntingGroup. The setting of the code value is not in conflict 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 (redirection indication), which is used to indicate the type of call that was last redirected, that is, the network that needs to access the connection number afterwards.
  • 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 the value is filled in 40, indicating that the current service is the MAH 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 the user answers for the fixed number, the DestinationDigit fills in the solid. The number is set, RedirectingNumberDigit is empty or the parameter is not set, and DMH_RedirectionIndicator is filled in to indicate access to the Public Switched Telephone Network (PSTN). If it is a foreign mobile user response, DestinationDigit fills in the temporary roaming number assigned to the mobile user, RedirectingNumberDigit is filled in as the mobile user's MDN, and DMH_RedirectionIndicator is filled in as 5, indicating access to the unspecified network;
  • PSTN Public Switched Telephone Network
  • DestinationDigit fills in the number of the mobile user.
  • RedirectingNumberDigit also fills in the mobile user's number.
  • DMH_RedirectionIndicator fills in 23 to indicate access to the local office. It should be noted that when the connected number is the mobile number of the local office, the RedirectingNumberDigit parameter may not be set, or the parameter is empty.
  • 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 MAH group as an example, wherein the three members are: 1: fixed telephone user; mobile number 2: external user under HLR; mobile number 3 : The local user under the HLR.
  • the essence of the technical solution of the present invention will be further clarified by specific examples below.
  • FIG. 2 is a triggering flow diagram of an intelligent service when a fixed telephone is used as a user of a MAH group in the present invention.
  • the intelligent service triggering process 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 address list of the pilot number subscription ⁇ 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 206 The MSC1 sends a location request message to the HLR to which the MSC1 belongs, which carries the pilot number and the Location trigger.
  • Step 207 The HLR determines that the location request message carries a trigger that is a Location, and the number carried therein is a pilot number. The HLR further analyzes that the first connection number 1 in the MAH group is a fixed telephone user, and the HLR responds by using the location request. The message, the fixed number 1 is sent to MSC1.
  • the first connection number in the MAH group in the present invention may also be the local mobile number or the mobile number of the external office. No matter what number, the essence of the technical solution of the present invention is not Any change.
  • Step 208 The MSC1 continues to send the analysis information request message, triggering the Called_Routing_Address_Available trigger, and the MSC1 finds that the currently triggered service is the MAH group intelligent service.
  • the analysis information request message includes a Featurelndicator parameter, the Featurelndicator.
  • the parameter is filled in 40, which is used to indicate that the current service is an MAH group intelligent service, and indicates that the SCP does not perform the charging process.
  • Step 209 The SCP determines that the current service is an MAH group intelligent service, and the SCP sends the analysis information response message directly to the MSC1 without counting the rate or charging.
  • Step 210 The MSC1 sends an initial address message to the PSTN, and connects to the fixed number 1.
  • Step 211 The MSC1 receives the response message of the fixed telephone 1, sends a called response request message to the SCP, and triggers the T_Answer trigger to the SCP, where the DestinationDigit is filled in with the fixed number 1, does not carry the RedirectingNumberDigit parameter, and DMH-Redirectionlndicator Written as 6, indicating access to the PSTN.
  • the serial number is a fixed telephone number
  • the RedirectingNumberDigit parameter may also be set in the TAnswer message of the present invention, but the parameter is empty. If the connected number is the local mobile number, similar to the fixed number, the RedirectingNumberDigit parameter may not be set, or the parameter is empty.
  • the parameter can also be filled with a fixed number or a local mobile number, that is, the content filled in is the same as the DestinationDigit parameter, that is, the destination number entry and the redirected number entry are filled in at this time.
  • the parameters are the same.
  • the continuation number is the external mobile number
  • the MSC of the foreign office mobile number assigns a roaming number to the foreign mobile number. Therefore, the RedirectingNumberDigit parameter needs to be set, and the external mobile number needs to be filled in the parameter.
  • the DestinationDigit parameter needs to be filled in the roaming number, and the content filled in the DMH_RedirectionIndicator parameter varies depending on the destination number. For example, when the fixed number is fixed, the value filled in is 6 and the mobile number of the local office is filled in. It is 23, and when the number is moved to the outside office, the value filled in is 5.
  • 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 of the smart service when the external mobile subscriber answers in this example includes the following steps:
  • Steps 301 to 310 are identical to steps 201 to 210 shown in Fig. 2, and the implementation details thereof will not be described herein.
  • Figure 3 focuses on how to implement the connection of other bundled numbers in the MAH group after the fixed number of the fixed telephone number fails. The following details are explained. This example assumes that the second number to be connected in the MAH group is the foreign office mobile number.
  • Step 311 After the fixed number 1 fails, the MSC1 sends a redirected number request message to the HLR, where the pilot number is carried, and the next member number of the MAH group that can be connected is requested.
  • Step 312 The HLR determines that it is currently a MAH group call, and the next one of the MAH group If the member mobile number 2 is its office user, a routing request message is sent to the MSC2 where the mobile number 2 is located.
  • Step 313 After receiving the routing request message, the MSC2 allocates the temporary roaming number 2 to the mobile number 2, and sends the temporary roaming number 2 to the HLR through the routing request response message.
  • Step 314 The HLR sends a redirected number response message to the MSC1, which carries the mobile number 2 and the roaming number 2.
  • Step 315 The MSC1 sends an initial address message to the MSC2 to connect to the mobile number 2.
  • Step 316 The MSC1 receives the mobile number 2 response message, and sends a called response request message to the SCP, triggering the T_Answer trigger to the SCP, wherein the DestinationDigit is filled in as the roaming number 2 assigned by the MSC2 for the mobile number 2, and the RedirectingNumberDigit is filled in as the mobile number 2, DMH_RedirectionIndicator fills in 5 to indicate 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 flowchart showing the triggering of the smart service when the local mobile subscriber responds after the fixed telephone connection fails in the MAH group of the present invention.
  • the triggering of the smart service in response to the mobile subscriber response in this example includes the following steps:
  • Steps 401 to 415 are identical to steps 301 to 315 shown in Fig. 3, and the implementation details thereof will not be described herein.
  • Figure 4 highlights how to implement the connection of other bundled numbers in the MAH group after the failure of the mobile number connection in the office. The following details are explained. This example assumes that the third number to be connected in the MAH group is the local mobile number.
  • Step 416 If the mobile number 2 fails, the MSC1 sends a redirected number request message to the HLR, where the pilot number is carried, and the member number in the next MAH group that can be connected is requested.
  • Step 417 The HLR determines that the current MAH group call is present, and the next member mobile number 3 of the MAH group is currently in the MSC1 office, and sends a redirected number response message to the MSC1, where the mobile number 3 and the mobile identification number (MIN) are carried. , Mobile Identification Number ) MIN3 and mobile number 3 are instructions in this office.
  • Step 418 The MSC1 sends a paging message to the base station controller (BSC, Base Station Controller), and continues to move the number 3.
  • BSC Base Station Controller
  • Step 419 The MSC1 receives the mobile number 3 response message, sends a called response request message to the SCP, triggers the T_Answer trigger to the SCP, wherein the DestinationDigit is filled in as the mobile number 3, the RedirectingNumberDigit is also filled in as the mobile number 3, and the DMH_RedirectionIndicator is filled in as 23, indicating Access to this Council. It should be noted that when the mobile number is the local mobile number, the RedirectingNumberDigit parameter may not be set in the TAnswer message, or the RedirectingNumberDigit parameter may be .
  • 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 apparatus for a mobile station to access a hunt group intelligent service according to the present invention.
  • the triggering apparatus for the mobile station to access the hunt group intelligent service includes the first sending unit 50.
  • the receiving unit 51 is configured to receive the connection
  • the second sending unit 52 is configured to send a called response request message for triggering the called response trigger to the SCP after the receiving unit 51 receives the response of the connected number, carrying the destination number and redirecting
  • the indication information indicates the SCP charging.
  • the triggering apparatus for the mobile station to access the hunt group intelligent service further includes a third sending unit 53, configured to send a redirected number request message to the HLR when the consecutive number connection fails. Triggering the connection to the next number in the MAH group.
  • the called response request message When the connection number is a connection number in the MAH group or an external office mobile number, the called response request message further carries the redirected number information.
  • the connection number 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 the identification information of the access unknown network.
  • the destination number of the called response request message is the mobile number
  • the redirect indication information is the identification information of the network accessing the local office.
  • the connection 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 mobile station to access the hunt group intelligent service shown in FIG. 5 is designed to implement the MAH group intelligent service triggering method shown in FIG. 2 to FIG.
  • the implementation functions of the processing units in the apparatus shown in FIG. 5 can be understood by referring to the related descriptions in the methods shown in FIG. 2 to FIG. 4, and the functions of the units can be implemented by running the programs on the processor, or by corresponding The logic circuit is implemented.
  • the third transmitting unit 53 shown in FIG. 5 is not a necessary technical feature for implementing the triggering apparatus for the mobile station to access the hunt group intelligent service of the present invention.

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Description

移动台接入寻线群组智能业务的触发方法与装置 技术领域
本发明涉及移动台接入寻线（ MAH, Mobile Access Hunting )群组智能 业务的接入技术， 尤其涉及一种移动台接入寻线群组智能业务的触发方法 与装置。 背景技术
移动台接入寻线是指用户用某一个号码作为引导号码来绑定一组号 码， 当其他用户拨打该引导号码时， 该组内所有号码依次振铃， 一旦一个 成员应答， 则停止对下一个成员的寻线。 其详细流程请参见 41D 协议 《TIA41D-with-enhancements-4-bro.pdf)〉 中的 6.14。
由于上述 41D协议针对 MAH业务只涉及了普通用户的流程， 并没有 涉及群组智能 （对引导号码触发智能呼叫） 的触发流程， 而在智能相关协 议如 IS826中只涉及了基本呼叫类业务， 没有涉及 MAH业务的处理， 所以 存在如下问题：
如果 MAH引导号码在归属位置寄存器（ HLR, Home Location Register ) 签约了智能业务， 按照上述 41D以及 IS826协议的描述， 图 1为现有的移 动台接入寻线群组智能业务的触发流程图， 如图 1所示， MAH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 HLR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确定位置请求消息中携带的号码是 MAH群组中的引导 号码， 并且签约了智能业务， 并且还携带有 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 {初始化终 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， 其中携带有引导号码和 Initial—Termination触发器。
步骤 105: SCP对引导号码鉴权通过，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， HLR进一步分析发现 MAH群组中的首个接续号码为固 定号码 1 , 则 HLR通过位置请求响应消息， 将固定号码 1发送给 MSC1。
步骤 108： MSC1 继续发送分析信息请求消 息 ， 触发 Called—Routing—Address—Available触发器。
步骤 109: 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。
此时将出现以下问题， 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进行计费； 但是由于这里是对引导号码触发的 智能业务，最终到底接通的是 MAH群组中哪个号码都还未确定，因此 MSC1 无法携带被叫的位置信息到 SCP, 那么 SCP后续也就无法进行费率的匹配 和在引导号码账户上进行计费了， 由于现有协议中未对这一情况进行说明 , 将导致 SCP无法对该分析信息请求消息进行处理， 可能导致整个 MAH群 组智能业务的接入失败。 发明内容
有鉴于此， 本发明的主要目的在于提供一种移动台接入寻线群组智能 业务的触发方法与装置， 能使 MAH群组智能业务的正常触发并准确计费。
为达到上述目的， 本发明的技术方案是这样实现的：
一种移动台接入寻线群组智能业务的触发方法， 包括：
移动交换中心 MSC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有移动台接入寻线 MAH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， 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， 携带有目的号码及改向指示信息， 指示所述 SCP计费。
优选地， 所述方法还包括：
接续所述接续的号码失败时， 所述 MSC向归属位置寄存器 HLR发送 改向号码请求消息， 发起对所述 MAH群组中的下一号码的接续。
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 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。
一种移动台接入寻线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， 携带有 MAH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， 携带有目的号 码及改向指示信息， 指示所述 SCP计费。
优选地， 所述装置还包括：
第三发送单元， 用于在所述接续的号码接续失败时， 向 HLR发送改向 号码请求消息， 触发对所述 MAH群组中的下一号码的接续。
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 MAH群组智能业务的指示信息， SCP在接收到 MAH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， 实现对接续的号码的接续， 并指示 SCP计费。 本发明可以实现 MAH群组智能业务的触发及计费，丰富和扩展了 MAH群 组业务。 附图说明
图 1为现有的移动台接入寻线群组智能业务的触发流程图；
图 2是本发明固定电话作为 MAH群组的用户应答时智能业务的触发流 程图；
图 3是本发明 MAH群组中固定电话接续失败后外局移动用户应答时智 能业务的触发流程图；
图 4是本发明 MAH群组中固定电话接续失败后本局移动用户应答时智 能业务的触发流程图；
图 5 为本发明移动台接入寻线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 MAH群组智能业务的指示信息， SCP在接收到 MAH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， 实现对接续的号码的接续， 并指示 SCP计费。 本发明可以实现 MAH群组智能业务的触发及计费，丰富和扩展了 MAH群 组业务。
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 MAH群组智能业 务的指示信息，用于指示当前的业务为 MAH群组智能业务，如设置该指示 信息的代码值为 40, 即 40: mobile AccessHuntingGroup。 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， 原来指示该 TLDN号码对应的改向用户号码。 当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， 即改向后需要接入的接续号码的网络。
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 40, 指示当前的业务为 MAH群组智能业务， 使 SCP先不算费率， 不计费。
MAH群组中的一个用户号码应答之后， MSC触发 T_Answer触发器到 SCP, 具体的： 若为固定号码用户应答， 则 DestinationDigit填写的是该固 定 号 码 ， RedirectingNumberDigit 为 空 或 不 设 置 该 参 数 ， DMH_RedirectionIndicator填写为 6,指示接入到公共交换电话网络（ PSTN, Public Switched Telephone Network )。 如果是外局移动用户应答， 则 DestinationDigit 填写 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， RedirectingNumberDigit 中同样也填写为该移动用户的号码， DMH_RedirectionIndicator填写为 23 , 指示接入到本局。 需要说明的是， 当 接续的号码为本局的移动号码时， 也可以不设置 RedirectingNumberDigit参 数， 或者， 该参数为空。
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 MAH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： 1 :固定电话用户； 移动号码 2:HLR下的外局用户； 移 动号码 3:HLR下的本局用户。 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是本发明固定电话作为 MAH群组的用户应答时智能业务的触发流 程图， 如图 2所示， 本示例的智能业务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有触发器是 Location, 并且其 中携带的号码是引导号码， HLR进一步分析确定 MAH群组中的首个接续 号码 1是固定电话用户， 则 HLR通过位置请求响应消息， 将固定号码 1发 送给 MSC1。
需要说明的是，本发明中的 MAH群组中的首个接续号码也可以是本局 移动号码， 也可以是外局的移动号码， 不管是什么号码， 实现本发明的技 术方案的实质不会有任何改变。
步骤 208： MSC1 继续发送分析信息请求消 息 ， 触发 Called_Routing_Address_Available 触发器， MSC1 发现当前触发的业务是 MAH群组智能业务， 根据本发明前述的参数扩展的描述， 分析信息请求消 息中包含 Featurelndicator参数， 该 Featurelndicator参数填写为 40, 用于指 示当前的业务为 MAH群组智能业务， 指示 SCP不进行计费流程。
步骤 209: SCP确定当前的业务是 MAH群组智能业务， SCP先不算费 率、 不计费， 直接发送分析信息响应消息给 MSC1。
步骤 210: MSC1发送初始地址消息到 PSTN, 接续固定号码 1。
步骤 211 : MSC1收到固定电话 1的应答消息， 向 SCP发送被叫应答请 求消息， 触发 T_Answer触发器到 SCP, 其中 DestinationDigit填写为固定 号码 1 , 不携带 RedirectingNumberDigit参数, DMH—Redirectionlndicator填 写为 6, 表示接入到 PSTN。 需要说明的是， 当接续的号码是固定电话号码 时， 本发明的 TAnswer消息中也可以设置 RedirectingNumberDigit参数， 只 是该参数为空即可。 而如果接续的号码为本局移动号码时， 与固定号码的 情况类似， 可以不设置 RedirectingNumberDigit参数， 或者该参数为空。 当 然， 如果设置该 RedirectingNumberDigit参数时， 也可以为该参数填入固定 号码或本局移动号码， 即填入的内容与 DestinationDigit参数的相同， 即此 时的目的号码项与改向号码项中填入的参数相同。 而接续的号码为外局移 动号码时，由于该外局移动号码的 MSC为该外局移动号码分配了漫游号码， 因此， 需要设置 RedirectingNumberDigit参数， 并且该参数中需要填入该外 局移动号码， 而 DestinationDigit 参数中需要填入漫游号码， 而 DMH_RedirectionIndicator参数中填入的内容依据目的号码的不同而不同， 例如， 固定电话号码时， 填入的值为 6 , 而为本局移动号码， 填入的值为 23 , 而为外局移动号码时， 填入的值为 5。
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 MAH群组中固定电话接续失败后外局移动用户应答时智 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智能业务 的触发包括以下步骤：
步骤 301至步骤 310与图 2所示的步骤 201至步骤 210完全相同， 这 里不再赘述其实现细节。 图 3 重点介绍固定电话号码接续失败之后， 如何 实现 MAH群组中其他捆绑号码的接续， 以下详细进行说明。 本示例假设 MAH群组中第二个待接续的号码为外局移动号码。
步骤 311 :接续固定号码 1失败， MSC1发送改向号码请求消息给 HLR, 其中携带引导号码， 去请求下一个可以接续的 MAH群组中成员号码。
步骤 312: HLR判断当前是 MAH群组呼叫， 并且 MAH群组的下一个 成员移动号码 2是它局用户， 则向移动号码 2所在的 MSC2发送路由请求 消息。
步骤 313: MSC2接收到路由请求消息后， 为移动号码 2分配临时漫游 号码 2, 并通过路由请求响应消息发送给 HLR。
步骤 314: HLR发送改向号码响应消息到 MSC1 , 其中携带移动号码 2 和漫游号码 2。
步骤 315: MSC1发送初始地址消息到 MSC2, 接续移动号码 2。
步骤 316: MSC1收到移动号码 2应答消息， 向 SCP发送被叫应答请求 消息， 触发 T_Answer触发器到 SCP, 其中 DestinationDigit填写为 MSC2 为移动号码 2分配的漫游号码 2 , RedirectingNumberDigit填写为移动号码 2 , 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 MAH群组中固定电话接续失败后本局移动用户应答时智 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智能业务 的触发包括以下步骤：
步骤 401至步骤 415与图 3所示的步骤 301至步骤 315完全相同， 这 里不再赘述其实现细节。 图 4重点介绍它局移动号码接续失败之后， 如何 实现 MAH群组中其他捆绑号码的接续， 以下详细进行说明。 本示例假设 MAH群组中第三个待接续的号码为本局移动号码。
步骤 416:接续移动号码 2失败， MSC1发送改向号码请求消息到 HLR, 其中携带引导号码， 去请求下一个可以接续的 MAH群组中的成员号码。
步骤 417: HLR判断当前是 MAH群组呼叫 , 并且 MAH群组的下一个 成员移动号码 3 当前就在 MSC1局， 则发送改向号码响应消息到 MSC1 , 其中携带移动号码 3、 移动识别号码（ MIN, Mobile Identification Number ) MIN3和移动号码 3在本局的指示。
步骤 418: MSC1 发送寻呼消息到基站控制器 （BSC , Base Station Controller ), 接续移动号码 3。
步骤 419: MSC1收到移动号码 3应答消息，向 SCP发送被叫应答请求 消息， 触发 T_Answer触发器到 SCP, 其中 DestinationDigit填写为移动号 码 3 , RedirectingNumberDigit 同 样 填 写 为 移 动 号 码 3 , DMH_RedirectionIndicator填写为 23 , 指示接入到本局。 需要说明的是， 移 动号码为 本局 移动 号码时 ， TAnswer 消 息 中 可 以 不设置 RedirectingNumberDigit参数,或者, RedirectingNumberDigit参数可以为 。
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 为本发明移动台接入寻线群组智能业务的触发装置的组成结构示 意图， 如图 5 所示， 本发明移动台接入寻线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， 携带有 MAH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 有目的号码及改向指示信息， 指示所述 SCP计费。
如图 5 所示， 本发明移动台接入寻线群组智能业务的触发装置还包括 第三发送单元 53 , 用于在所述接续的号码接续失败时， 向 HLR发送改向号 码请求消息， 触发对所述 MAH群组中的下一号码的接续。
所述接续的号码为所述 MAH群组中的接续号码或为外局移动号码时， 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。 所述接续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 所示的移动台接入寻线群组智 能业务的触发装置是为实现图 2至图 4所示的 MAH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。 本领域技术人员应当理解， 图 5所示第三发送单元 53并非实现本发明移动台接入寻线群组智能业务的 触发装置的必要技术特征。
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、 一种移动台接入寻线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，携带移动台接入寻线 MAH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， 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的号码及改向指示信息， 指示 所述 SCP计费。
2、 根据权利要求 1所述的方法， 其特征在于， 所述方法还包括： 接续所述接续的号码失败时， 所述 MSC向归属位置寄存器 HLR发送 改向号码请求消息， 发起对所述 MAH群组中的下一号码的接续。
3、 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。
4、 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。
5、 根据权利要求 3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。
6、 一种移动台接入寻线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；所述分析信息请求消息携带 MAH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 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； 所述被叫应 答请求消息携带目的号码及改向指示信息， 指示所述 SCP计费。
7、 根据权利要求 6所述的装置， 其特征在于， 所述装置还包括： 第三发送单元， 用于在所述接续的号码接续失败时， 向 HLR发送改向 号码请求消息， 触发对所述 MAH群组中的下一号码的接续。
8、 根据权利要求 6或 7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。
9、 根据权利要求 8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。
10、 根据权利要求 9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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