WO2011029341A1 - 预付费漫游用户拨号智能纠正的方法、设备与系统 - Google Patents

预付费漫游用户拨号智能纠正的方法、设备与系统 Download PDF

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Publication number
WO2011029341A1
WO2011029341A1 PCT/CN2010/074818 CN2010074818W WO2011029341A1 WO 2011029341 A1 WO2011029341 A1 WO 2011029341A1 CN 2010074818 W CN2010074818 W CN 2010074818W WO 2011029341 A1 WO2011029341 A1 WO 2011029341A1
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WIPO (PCT)
Prior art keywords
dialing
user
international
message
switching center
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PCT/CN2010/074818
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English (en)
French (fr)
Inventor
汤虹
杨德波
周学海
黄冀
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP10814943.6A priority Critical patent/EP2477424B1/en
Publication of WO2011029341A1 publication Critical patent/WO2011029341A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • H04Q3/0029—Provisions for intelligent networking
    • 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
    • H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
    • H04M15/06—Recording class or number of calling, i.e. A-party or called party, i.e. B-party
    • 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
    • H04M—TELEPHONIC COMMUNICATION
    • H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
    • H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/12—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal
    • H04M7/1205—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal where the types of switching equipement comprises PSTN/ISDN equipment and switching equipment of networks other than PSTN/ISDN, e.g. Internet Protocol networks
    • H04M7/1225—Details of core network interconnection arrangements
    • H04M7/1235—Details of core network interconnection arrangements where one of the core networks is a wireless network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/12—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal
    • H04M7/1205—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal where the types of switching equipement comprises PSTN/ISDN equipment and switching equipment of networks other than PSTN/ISDN, e.g. Internet Protocol networks
    • H04M7/128—Details of addressing, directories or routing tables
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • H04Q3/0062—Provisions for network management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13098—Mobile subscriber
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13345—Intelligent networks, SCP

Definitions

  • the present invention relates to the field of mobile communications, and in particular, to a method, device and system for dialing intelligent correction of prepaid roaming users.
  • the Mobile Switching Center can only trigger the number according to the dialed number and the international mobile subscriber of the user to trigger the International Mobile Subscription Identify (IMSI). Number correction.
  • IMSI International Mobile Subscription Identify
  • the originating call of the user cannot be triggered by the MSC according to the called number and the IMSI of the user, but is firstly used by the MSC according to the Originating CAMEL Subscription Information (O-CSI).
  • O-CSI Originating CAMEL Subscription Information
  • SCP Service Control Point
  • the existing One solution is to send a text message with the correct number to the user. After receiving the text message, the user re-directs the number according to the correct number.
  • this solution cannot perform smart number correction, users need to dial again, and the user experience is not good.
  • the embodiment of the invention provides a method for pre-paid roaming user dialing intelligent correction, which can realize pre-paid roaming user dialing intelligent correction and automatic connection.
  • the embodiment of the present invention adopts the following technical solutions:
  • a method for pre-paid roaming user dialing intelligent correction comprising:
  • Monitoring MAP signaling related to the prepaid roaming user of the international gateway office constructing a message for modifying the calling party subscription information of the user in the visited location register of the prepaid roaming user, and transmitting the message to the visited location register ;
  • the exchange center sends to the international gateway office
  • the embodiment of the invention further provides an international service gateway, which can implement pre-paid roaming user dialing intelligent correction.
  • the embodiment of the present invention adopts the following technical solutions:
  • An international service gateway including: a monitoring and constructing unit, configured to monitor MAP signaling related to the prepaid roaming user of the international gateway office, and construct a message for modifying the calling signing information of the user in the visitor location register of the prepaid roaming user and pass the message Receiving and transmitting unit to the visit location register;
  • a processing unit configured to determine whether the dialing from the visited mobile switching center of the user needs to be corrected, and if the correction is needed, correct the dialing and send the call to the visited mobile switching center by using the receiving and sending unit Connection connection signaling;
  • a receiving and transmitting unit configured to receive the dialing from the visited mobile switching center of the user, and forward the packet to the processing unit, and carry the carrier from the international gateway according to the MAP signaling
  • the dialed message processed by the international gateway office is forwarded to the home prepaid service control point of the user.
  • the embodiment of the invention further provides a pre-paid roaming user dialing intelligent correction system, which can realize pre-paid roaming user dialing intelligent correction and automatic connection.
  • the embodiment of the present invention adopts the following technical solutions:
  • a prepaid roaming user dialing intelligent correction system comprising:
  • An international service gateway configured to monitor a MAP signaling related to a prepaid roaming user of the international gateway office, and configured to modify a message of the calling party subscription information of the user in the visitor location register of the prepaid roaming user and send the message to the
  • the user's visit location register determines whether the dialing from the visited mobile switching center of the user needs to be corrected, and if correction is needed, corrects the dialing and sends connection connection signaling to the visited mobile switching center, and Forwarding, by the MAP signaling, a message containing the processed dialing from the international gateway office to the home prepaid service control point of the user;
  • the corrected dialing of the international service gateway is forwarded to the international gateway office;
  • the international gateway office is configured to process the corrected dialing sent by the visited mobile switching center, and send the processed dialing to the home prepaid service control point of the user through the international service gateway.
  • the international service gateway is capable of monitoring MAP signaling through an international gateway, constructing a message for modifying the user's 0-CSI in the visitor location register of the prepaid roaming user And sending to the visit location register, so that the user's originating call can be triggered to the international service gateway, correct the number that needs to be corrected and forward it to the international gateway office for processing, and the number processed by the international gateway office
  • the home prepaid SCP is forwarded to the user, so that the prepaid roaming user dials intelligent correction and automatic connection can be realized regardless of whether the home prepaid SCP delivers CO ⁇ ECT or CONTINUE signaling.
  • FIG. 1 is a flow chart of an embodiment of a dialing intelligent correction method for a prepaid roaming user according to the present invention
  • FIG. 2 is a flow chart of still another embodiment of a dialing intelligent correcting method for a prepaid roaming user according to the present invention
  • FIG. 3 is a schematic structural diagram of an embodiment of an international service gateway according to the present invention.
  • FIG. 4 is a schematic structural diagram of still another embodiment of an international service gateway according to the present invention.
  • FIG. 5 is a schematic structural diagram of an embodiment of a pre-paid roaming user dialing intelligent correction system according to the present invention. detailed description
  • the embodiment of the invention provides a method, a device and a system for pre-paid roaming user dialing intelligent correction, which can realize pre-paid roaming user dialing intelligent correction and automatic connection.
  • a method for dialing intelligent correction of a prepaid roaming user includes:
  • the International Service Gateway monitors MAP signaling related to prepaid roaming users of the International Gateway Office.
  • the ISG is configured to modify a message of the user 0-CSI in the visitor location register (VLR) of the prepaid roaming user, and send the message to the VLR.
  • VLR visitor location register
  • the ISG determines whether a dialing from the visited MSC of the user needs to be corrected.
  • the visited MSC is sent to the international gateway office.
  • the ISG receives a message sent by the international gateway office that carries the dialing process processed by the international gateway office, and forwards the message to the home prepaid SCP of the user according to the MAP signaling. .
  • the ISG since the ISG is capable of monitoring MAP signaling through the international gateway office, constructing a message for modifying the 0-CSI of the user in the VLR of the prepaid roaming user and transmitting Giving the VLR so that the originating call of the user can be triggered to the ISG, the ISG corrects the number that needs to be corrected and forwards it to the international gateway for processing, and forwards the number processed by the international gateway to the user
  • the prepaid SCP is pre-paid, so that the prepaid roaming user dialing intelligent correction and automatic connection can be realized regardless of whether the home prepaid SCP issues the CO ⁇ ECT or the CONTINUE signaling.
  • another method for dialing intelligent correction of a prepaid roaming user includes:
  • I SG monitors MAP signaling related to prepaid roaming users of the International Gateway Office.
  • an MSC/VLR of the roaming network is selected for registration, and then the MSC/VLR sends a location update request message (MAP_UPDATE_L0CATI0N) to the home location register (HLR) of the user's home country. Then, the HLR sends an Insert User Data message (MAP_INSERT_SUBSCRIBER_DATA) to the MSC/VLR, and the MSC/VLR returns an Insert User Data Confirmation message (MAP_INSERT_SUBSCRIBER_DATA_ACK), and finally, the HLR returns a Location Update Confirm message (MAP_UPDATE_L0CATI0N_ACK) is given to the MSC/VLR.
  • MAP_UPDATE_L0CATI0N the Home location register
  • the ISG is deployed next to the operator's own network international gateway office/international signaling forwarding point (GMSC/ISTP) to monitor the MAP signaling related to the prepaid roaming user through the GMSC/ISTP.
  • GMSC/ISTP network international gateway office/international signaling forwarding point
  • MAP_INSERT_SUBSCRIBER_DATA MAP_INSERT_SUBSCRIBER_DAT_ACK message
  • extracting and analyzing the MAP signaling and storing the IMSI, the mobile station ISDN number (MS I SDN) of the prepaid roaming user, the number of the visited location register, 0-CSI information, etc. 522.
  • the ISG is configured to modify a message of the user 0-CSI in the VLR of the prepaid roaming user, and send the message to the VLR.
  • the ISG constructs a new MAP_ISD message and sends it to the VLR, so that the VLR modifies the stored 0-CSI information of the prepaid roaming user (for example, the GT that changes 0-CSI to ISG) Address), in this way, it is possible to ensure that the originating call of the user is triggered to the ISG for dialing intelligent correction.
  • the VLR modifies the stored 0-CSI information of the prepaid roaming user (for example, the GT that changes 0-CSI to ISG) Address), in this way, it is possible to ensure that the originating call of the user is triggered to the ISG for dialing intelligent correction.
  • the user initiates a call and sends the call to the ISG by the visited MSC.
  • the ISG determines whether the dialing of the user needs to be corrected.
  • the ISG sends CONTINUE signaling, and the call is normally connected; if the dialing needs to be corrected, then the process goes to step S25. For example, if the number dialed by the prepaid roaming user is B, the ISG corrects the dial B to B if the ISG determines that the dialing B needs to be corrected. At the same time, in order for the international gateway to be triggered again, the ISG adds a special prefix to the B, denoted by Pref ix+B', where the prefix is a route and a trigger prefix.
  • the ISG sends a connection connection signaling to the visited MSC of the user, where the connection connection signaling carries the Pref ix+B'.
  • the visited MSC can send a call to the international gateway according to the special prefix.
  • the visiting MSC sends the call to the international gateway according to the special prefix.
  • the international gateway divests the prefix and sends an IDP message to the ISG. At this time, the dialing in the IDP message is B, .
  • the ISG is configured according to the original 0-CSI of the user saved in the previous MAP signaling monitoring process.
  • the message forwards the IDP message to the home prepaid SCP of the user.
  • the home prepaid SCP of the user can be charged according to a normal procedure. Since the dialing of the user is ⁇ at the international gateway office, the call can be normally connected to the corrected number regardless of whether the user's home prepaid SCP delivers CO ⁇ ECT or CONTINUE signaling. B, .
  • the ISG can monitor the MAP signaling passing through the international gateway office, a message for modifying the 0-CSI of the user in the VLR of the prepaid roaming user is constructed and sent to the VLR, thereby Making the originating call of the user trigger to the ISG, the ISG corrects the number that needs to be corrected and forwards it to the international gateway for processing, and forwards the number processed by the international gateway to the home prepaid SCP of the user. In this way, regardless of whether the home prepaid SCP sends CO ⁇ ECT or CONTINUE signaling, the prepaid roaming user dialing intelligent correction and automatic connection can be realized.
  • the international service gateway 300 of the embodiment of the present invention includes a monitoring and construction unit 301, a processing unit 302, and a receiving and transmitting unit 303. among them:
  • a monitoring and constructing unit 301 configured to monitor MAP signaling related to a prepaid roaming user of the international gateway office, and construct a message for modifying the 0-CSI information of the user in the VLR of the prepaid roaming user and receive the message
  • the transmitting unit 303 sends to the VLR.
  • the monitoring and constructing unit 301 monitors MAP_UPDATE_LOCATION, MAP_UPDATE_LOCATION_ACK, MAP_INSERT_SUBSCRIBER_DATA of the international gateway office, and the MAP signaling related to the prepaid roaming user of the international gateway office includes:
  • MAP_INSERT_SUBSCRIBER_MAP signaling such as DAT_ACK, extracting and analyzing the MAP signaling, and storing the IMSI, MSI SDN, VLR number, 0-CSI letter of the prepaid roaming user Interest and so on.
  • the message for modifying the 0-CSI of the user in the VLR of the prepaid roaming user may be a MAP-ISD message.
  • the processing unit 302 is configured to determine whether the dialing (indicated by B) of the visited MSC from the user needs to be corrected. If no correction is needed, the Cont inue is sent to the visited mobile switching center to continue the call, if the call needs to be corrected Then, the dialing is corrected, and the connection and signaling are sent to the visited MSC by the receiving and transmitting unit 303.
  • the correcting the dialing comprises: correcting the dialing B to ⁇ , and adding a special prefix before the B, so that the international gateway can trigger again.
  • the prefix is a route and a trigger prefix.
  • a receiving and transmitting unit 303 configured to receive the dialing of the visited MSC from the user, and forward the packet to the processing unit 3G2 according to the MAP signaling (for example, based on the MAP signaling monitoring process)
  • the original 0-CSI message of the user forwards a message from the international gateway that carries the dialing processed by the international gateway to the home prepaid SCP of the user.
  • the ISG can monitor the MAP signaling through the international gateway office, construct a message for modifying the 0-CSI of the user in the VLR of the prepaid roaming user and send the message to the VLR, thereby Making the originating call of the user trigger to the ISG, the ISG corrects the number that needs to be corrected and forwards it to the international gateway for processing, and forwards the number processed by the international gateway to the home prepaid SCP of the user. In this way, regardless of whether the home prepaid SCP sends CO ⁇ ECT or CONTINUE signaling, the prepaid roaming user dialing intelligent correction and automatic connection can be realized.
  • the processing unit 302 includes: The determining unit 401 is configured to determine whether the dialing from the visited MSC needs to be corrected, and send the determination result to the correcting unit;
  • the correcting unit 402 is configured to correct the dialing when the dialing needs to be corrected, and send a connection connection signaling to the visited MSC by using the receiving and sending unit 302, when the dialing does not need to be corrected,
  • the Cont inue is sent to the visited mobile switching center by the receiving and transmitting unit 302 to continue the call.
  • the prepaid roaming user dialing intelligent correction system 500 of the embodiment of the present invention includes:
  • the international service gateway 501 is configured to monitor the MAP signaling related to the prepaid roaming user of the international gateway office, and construct a message for modifying the 0-CSI information of the user in the VLR of the prepaid roaming user and send the message to the office Determining whether the dialing from the visited mobile switching center 502 of the user needs to be corrected. If no correction is needed, the Cont inue is sent to the visited mobile switching center to continue the call.
  • the Dialing to correct and send connection connection signaling to the visited mobile switching center 502, and forwarding, according to the MAP signaling, a message containing the processed dialing from the international gateway office to the home location of the user
  • the prepaid SCP; the mobile switching center 502 is configured to send the dialing of the user to the international service gateway 501, and forward the dialed by the international service gateway 501 to the international gateway office 503; the international gateway 503 For processing the corrected dialing sent by the visited mobile switching center 502, and processing the processed dialing
  • the home service pre-paid SCP is sent to the user by the international service gateway 501.
  • the international service gateway 501 is capable of monitoring MAP signaling through the international gateway office, constructing 0-CSI for modifying the user in the VLR of the prepaid roaming user And send the message to the VLR, so that the user's originating call can be triggered to the international service gateway 501, correct the number that needs to be corrected, and forward it to the international gateway office 503 for processing by the visited mobile switching center 502, and The number processed by the international gateway office 503 is forwarded to the home prepaid SCP of the user, so that the prepaid roaming user dialing intelligent can be realized regardless of whether the home prepaid SCP delivers CO ⁇ ECT or CONTINUE signaling. Correct and automatically continue.
  • the international service gateway 501 can be the international service gateway shown in FIG. 3 or FIG. 4.
  • the manner in which the prepaid roaming user dialing intelligent correction system 500 corrects the user's dialing can refer to the processes shown in FIG. 1 and FIG. 2, and details are not described herein again.
  • the storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), or a Random Acces s Memory (RAM).

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Meter Arrangements (AREA)
  • Telephonic Communication Services (AREA)
  • Prepayment Telephone Systems (AREA)

Description

预付费漫游用户拨号智能纠正的方法、 设备与系统 本申请要求 2009年 9月 10日递交的申请号为 200910161991.0、 发明名 称为 "预付费漫游用户拨号智能纠正的方法、 设备与系统" 的中国专利 申请的优先权， 其全部内容通过引用结合在本申请中。 技术领域
本发明涉及移动通信领域， 尤其涉及一种预付费漫游用户拨号智能纠正 的方法、 设备与系统。
背景技术
由于不同国家之间经济和文化交往越来越频繁， 国际漫游终端用户的数 目迅速增长。 但是， 很多用户在国际漫游时， 由于拨号习惯不同， 往往拨错 号码， 而如果用户直接从电话本拨号， 由于没有国家码和号码纠正， 呼叫也 不能接通。
目前， 针对后付费国际漫游用户， 一般的解决方式是移动交换中心 (Mobile Switching Center, MSC )才艮据拨打的号码以及用户的国际移动用 户识另 'J码 ( International Mobile Subscription Identify, IMSI )触发号 码纠正。 但是， 对于预付费国际漫游用户而言， 用户的始发呼叫不能由 MSC 根据被叫号码和用户的 IMSI 进行触发， 而是首先由 MSC根据主叫签约信息 ( Originating CAMEL Subscription Information, O-CSI )触发归属地业务 控制点 (Service Control Point, SCP) , 所以， 预付费漫游智能号码纠正 一直是一个比较头疼的问题。
针对预付费国际漫游用户由于拨号习惯不同而拨错号码的问题， 现有的 一种解决方案是向用户发送含有正确号码的短信， 用户收到短信后重新按照 正确的号码进行拨号。 但是， 这种方案不能进行智能号码纠正， 用户需要重 新拨号， 用户体验欠佳。
因此， 如何实现预付费国际漫游用户拨号智能纠正， 是急需解决的问题。
发明内容
本发明实施例提供一种预付费漫游用户拨号智能纠正的方法， 能够实现 预付费漫游用户拨号智能纠正并自动接续。
为解决上述技术问题， 本发明实施例采用如下技术方案：
一种预付费漫游用户拨号智能纠正的方法， 包括：
监测经过国际关口局的预付费漫游用户相关的 MAP信令； 构造用于修改所述预付费漫游用户的拜访位置寄存器中所述用户的主叫 签约信息的消息， 并发送给所述拜访位置寄存器；
判断来自于所述用户的拜访移动交换中心的拨号是否需要纠正；
交换中心发送到所述国际关口局；
接收所述国际关口局发送的携带有经过所述国际关口局处理的拨号的消 息， 并根据所述 MAP信令， 将所述消息转发给所述用户的归属地预付费业务 控制点。
本发明实施例还提供一种国际业务网关， 能够实现预付费漫游用户拨号 智能纠正。
为解决上述技术问题， 本发明实施例采用如下技术方案：
一种国际业务网关， 包括： 监测与构造单元，用于监测经过国际关口局的预付费漫游用户相关的 MAP 信令， 构造用于修改所述预付费漫游用户的拜访位置寄存器中所述用户的主 叫签约信息的消息并通过接收与发送单元发送到所述拜访位置寄存器；
处理单元， 用于判断来自于所述用户的拜访移动交换中心的拨号是否需 要纠正， 若需要纠正， 则对所述拨号进行纠正并通过所述接收与发送单元向 所述拜访移动交换中心下发连接接续信令；
接收与发送单元， 用于接收所述来自于所述用户的拜访移动交换中心的 拨号并转发给所述处理单元， 并根据所述 MAP信令将来自于所述国际关口局 的携带有经过所述国际关口局处理的拨号的消息转发给所述用户的归属地预 付费业务控制点。
本发明实施例还提供一种预付费漫游用户拨号智能纠正系统， 能够实现 预付费漫游用户拨号智能纠正并自动接续。
为解决上述技术问题， 本发明实施例采用如下技术方案：
一种预付费漫游用户拨号智能纠正系统， 包括：
国际业务网关， 用于监测经过国际关口局的预付费漫游用户相关的 MAP 信令， 构造用于修改所述预付费漫游用户的拜访位置寄存器中所述用户的主 叫签约信息的消息并发送给用户的拜访位置寄存器 , 判断来自于所述用户的 拜访移动交换中心的拨号是否需要纠正， 若需要纠正， 则对所述拨号进行纠 正并向所述拜访移动交换中心下发连接接续信令， 并根据所述 MAP信令将来 自于所述国际关口局的含有经过处理的拨号的消息转发给所述用户的归属地 预付费业务控制点；
拜访移动交换中心， 用于向所述国际业务网关发送所述用户的拨号， 将 所述国际业务网关纠正过的拨号转发给所述国际关口局；
国际关口局， 用于将所述拜访移动交换中心发送的所述纠正过的拨号进 行处理， 将处理后的拨号经过所述国际业务网关发送给所述用户的归属地预 付费业务控制点。
通过采用所述的方法、 设备与系统， 由于所述国际业务网关能够监测经 过国际关口局的 MAP信令， 构造用于修改预付费漫游用户的拜访位置寄存器 中所述用户的 0-CSI的消息并发送给所述拜访位置寄存器， 从而使用户的始 发呼叫能够触发到所述国际业务网关， 对需要纠正的号码进行纠正并转发给 国际关口局进行处理， 并将经过国际关口局处理的号码转发给所述用户的归 属地预付费 SCP , 这样， 不管所述归属地预付费 SCP 下发 CO匪 ECT 还是 CONTINUE信令， 都能够实现预付费漫游用户拨号智能纠正并自动接续。 附图说明
显而易见地， 下面描述的附图仅仅是本发明的一些实施例， 对于本领域 普通技术人员来讲， 在不付出创造性劳动性的前提下， 还可以根据这些附图 获得其他的附图。
图 1为本发明预付费漫游用户拨号智能纠正方法的一个实施例流程图； 图 2 为本发明预付费漫游用户拨号智能纠正方法的又一个实施例流程 图；
图 3为本发明国际业务网关的一个实施例结构示意图；
图 4为本发明国际业务网关的又一个实施例结构示意图；
图 5为本发明预付费漫游用户拨号智能纠正系统的一个实施例的结构示 意图。 具体实施方式
本发明实施例提供一种预付费漫游用户拨号智能纠正的方法、 设备与系 统， 能够实现预付费漫游用户拨号智能纠正并自动接续。
下面结合附图对本发明进行详细描述。 所描述的实施例仅仅是本发明一 部分实施例， 而不是全部的实施例。 基于本发明中的实施例， 本领域普通技 术人员在没有作出创造性劳动前提下所获得的所有其他实施例， 都属于本发 明保护的范围。
如图 1所示， 本发明实施例预付费漫游用户拨号智能纠正的一种方法， 包括：
511、 国际业务网关 （ Internat ional Service Gateway, ISG )监测经过 国际关口局的预付费漫游用户相关的 MAP信令。
512、 所述 ISG 构造用于修改所述预付费漫游用户的拜访位置寄存器 ( Vi s i tor Locat ion Regi s ter, VLR ) 中所述用户 0-CSI的消息， 并发送给 所述 VLR。
513、 所述 ISG判断来自于所述用户的拜访 MSC的拨号是否需要纠正。 所述拜访 MSC发送到所述国际关口局。
S15、所述 ISG接收所述国际关口局发送的携带有经过所述国际关口局处 理的拨号的消息， 并根据所述 MAP信令， 将所述消息转发给所述用户的归属 地预付费 SCP。
通过采用所述的方法， 由于所述 ISG能够监测经过国际关口局的 MAP信 令， 构造用于修改预付费漫游用户的 VLR中所述用户的 0-CSI的消息并发送 给所述 VLR, 从而使用户的始发呼叫能够触发到所述 ISG, ISG对需要纠正的 号码进行纠正并转发给国际关口局进行处理， 并将经过国际关口局处理的号 码转发给所述用户的归属地预付费 SCP, 这样， 不管所述归属地预付费 SCP 下发 CO匪 ECT还是 CONTINUE信令，都能够实现预付费漫游用户拨号智能纠正 并自动接续。
如图 2所示，本发明实施例预付费漫游用户拨号智能纠正的另一种方法， 包括：
S 21、 I SG监测经过国际关口局的预付费漫游用户相关的 MAP信令。
通常， 当用户漫游进来时， 会选择漫游网络的一个 MSC/VLR进行注册登 记， 然后所述 MSC/VLR发送位置更新请求消息（MAP_UPDATE_L0CATI0N)到用 户归属国的归属位置寄存器 （Home Location Register, HLR ) , 接着所述 HLR发送插入用户数据消息（MAP— INSERT_SUBSCRIBER_DATA)给所述 MSC/VLR, 而 所 述 MSC/VLR 则 返 回 插 入 用 户 数 据 确 认 消 息 (MAP_INSERT_SUBSCRIBER_DATA_ACK) , 最后， 所述 HLR返回位置更新确认 消息（MAP_UPDATE_L0CATI0N_ACK)给所述 MSC/VLR。在上述过程中， 所述 ISG 部署在运营商自己网络国际关口局 /国际信令转发点 （GMSC/ISTP) 的旁边， 用以监测经过所述 GMSC/ISTP 的预付费漫游用户相关的 MAP信令（如所述 MAP_UPDATE_L0CATT0N 、 MAP_UPDATE_L0CATT0N_ACK 、
MAP_INSERT_SUBSCRIBER_DATA、 MAP_INSERT_SUBSCRIBER_DAT_ACK 消息） ， 对所述 MAP信令进行提取与分析， 并保存所述预付费漫游用户的 IMSI、 移动 台 ISDN号码 (Mobile Station International ISDN Number, MS I SDN) 、 拜 访位置寄存器的号码、 0-CSI信息等。 522、所述 ISG构造用于修改所述预付费漫游用户的 VLR中所述用户 0-CSI 的消息， 并发送给所述 VLR。
例如， 所述 ISG构造新的 MAP_ ISD消息并发送给所述 VLR, 从而使所述 VLR修改所存储的所述预付费漫游用户的 0-CSI信息（例如， 将 0-CSI修改 为 ISG的 GT地址） , 这样， 就能够确保所述用户的始发呼叫触发到所述 ISG 以便进行拨号智能纠正。
523、 用户发起呼叫并由拜访 MSC发送给所述 ISG。
524、 所述 ISG判断所述用户的拨号是否需要纠正。
若所述用户拨打的号码正常， 则所述 ISG下发 CONTINUE信令， 呼叫正常 接续； 若所述拨号需要纠正， 则转向步驟 S25。 例如， 假设所述预付费漫游用户拨打的号码为 B, 在所述 ISG判断所述 拨号 B需要纠正的情况下， 所述 ISG将所述拨号 B纠正为 B， 。 同时， 为了 所述国际关口局能够再次触发， 所述 ISG 给所述 B， 添加特殊的前缀， 用 Pref ix+B' 表示， 其中， 前缀为路由和触发前缀。 然后， 所述 ISG向所述用 户的拜访 MSC 下发连接接续信令， 所述连接接续信令中携带有所述 Pref ix+B' 。 这样所述拜访 MSC就能够根据所述特殊前缀， 将呼叫送到所述 国际关口局。
526、 拜访 MSC根据所述特殊前缀， 将呼叫发送给国际关口局。
527、 国际关口局将所述前缀剥离， 并向所述 ISG发送 IDP消息。 此时， 所述 IDP消息中的拨号为 B， 。
528、 所述 ISG根据前面 MAP信令监测过程中保存的所述用户的原 0-CSI 消息， 将所述 IDP消息转发给所述用户的归属地预付费 SCP。
之后， 所述用户的归属地预付费 SCP就能够按照正常的流程进行计费。 由于在所述国际关口局上， 所述用户的拨号都为 Β， ， 所以不管所述用户的 归属地预付费 SCP下发 CO匪 ECT还是 CONTINUE信令，呼叫都能正常接续到纠 正后的号码 B， 。
通过采用所述的方法， 由于所述 ISG能够监测经过国际关口局的 MAP信 令， 构造用于修改预付费漫游用户的 VLR中所述用户的 0-CSI的消息并发送 给所述 VLR， 从而使用户的始发呼叫能够触发到所述 ISG， ISG对需要纠正的 号码进行纠正并转发给国际关口局进行处理， 并将经过国际关口局处理的号 码转发给所述用户的归属地预付费 SCP, 这样， 不管所述归属地预付费 SCP 下发 CO匪 ECT还是 CONTINUE信令，都能够实现预付费漫游用户拨号智能纠正 并自动接续。
如图 3所示，本发明实施例国际业务网关 300,包括监测与构造单元 301、 处理单元 302和接收与发送单元 303。 其中：
监测与构造单元 301 , 用于监测经过国际关口局的预付费漫游用户相关 的 MAP信令， 构造用于修改所述预付费漫游用户的 VLR中所述用户的 0-CSI 信息的消息并通过接收与发送单元 303发送到所述 VLR。
其中，所述监测经过国际关口局的预付费漫游用户相关的 MAP信令包括： 所述监测与构造单元 301 监测经过国际关口局的 MAP_UPDATE_LOCATION、 MAP_UPDATE_LOCATION_ACK 、 MAP— INSERT—SUBSCRIBER—DATA 、
MAP _ INSERT— SUBSCRIBER— DAT _ACK等 MAP信令， 对所述 MAP信令进行提取与 分析， 并保存所述预付费漫游用户的 IMSI、 MSI SDN、 VLR的号码、 0-CSI信 息等。 此外， 用于修改预付费漫游用户的 VLR中所述用户的 0-CSI的消息可 以为 MAP- ISD消息。
处理单元 302 , 用于判断来自于所述用户的拜访 MSC的拨号（用 B表示） 是否需要纠正， 若不需要纠正， 则向所述拜访移动交换中心下发 Cont inue让 呼叫继续， 若需要纠正， 则对所述拨号进行纠正并通过所述接收与发送单元 303向所述拜访 MSC下发连接接续信令。
其中，对所述拨号进行纠正包括： 将所述拨号 B纠正为 Β， , 并在所述 B， 前添加特殊的前缀， 以便所述国际关口局能够再次触发。 其中， 所述前缀为 路由和触发前缀。
接收与发送单元 303 , 用于接收所述来自于所述用户的拜访 MSC的拨号 并转发给所述处理单元 3G2 , 据所述 MAP信令（例如， 基于所述 MAP信令 监测过程中保存的所述用户的原 0-CSI消息） ， 将来自于所述国际关口局的 携带有经过所述国际关口局处理的拨号的消息转发给所述用户的归属地预付 费 SCP。
通过采用所述的 ISG, 由于所述 ISG能够监测经过国际关口局的 MAP信 令， 构造用于修改预付费漫游用户的 VLR中所述用户的 0-CSI的消息并发送 给所述 VLR, 从而使用户的始发呼叫能够触发到所述 ISG, ISG对需要纠正的 号码进行纠正并转发给国际关口局进行处理， 并将经过国际关口局处理的号 码转发给所述用户的归属地预付费 SCP, 这样， 不管所述归属地预付费 SCP 下发 CO匪 ECT还是 CONTINUE信令，都能够实现预付费漫游用户拨号智能纠正 并自动接续。
进一步地， 如图 4所示， 所述处理单元 302包括： 判断单元 401 , 用于判断来自于所述拜访 MSC的拨号是否需要纠正， 并 将判断结果发送给纠正单元；
纠正单元 402 , 用于在所述拨号需要纠正时， 对所述拨号进行纠正并通 过所述接收与发送单元 302向所述拜访 MSC下发连接接续信令， 在所述拨号 不需要纠正时， 通过所述接收与发送单元 302向所述拜访移动交换中心下发 Cont inue让呼叫继续。
如图 5所示， 本发明实施例预付费漫游用户拨号智能纠正系统 500, 包 括：
国际业务网关 501 , 用于监测经过国际关口局的预付费漫游用户相关的 MAP信令， 构造用于修改所述预付费漫游用户的 VLR中所述用户的 0-CSI信 息的消息并发送给所述 VLR , 判断来自于所述用户的拜访移动交换中心 502 的拨号是否需要纠正， 若不需要纠正， 则向所述拜访移动交换中心下发 Cont inue让呼叫继续， 若需要纠正， 则对所述拨号进行纠正并向所述拜访移 动交换中心 502下发连接接续信令， 根据所述 MAP信令， 将来自于所述国际 关口局的含有经过处理的拨号的消息转发给所述用户的归属地预付费 SCP; 拜访移动交换中心 502 , 用于向所述国际业务网关 501发送所述用户的 拨号， 将所述国际业务网关 501纠正过的拨号转发给所述国际关口局 503; 国际关口局 503 , 用于将所述拜访移动交换中心 502发送的所述纠正过 的拨号进行处理， 将处理后的拨号经过所述国际业务网关 501发送给所述用 户的归属地预付费 SCP。
通过釆用所述的系统， 由于所述国际业务网关 501能够监测经过国际关 口局的 MAP信令， 构造用于修改预付费漫游用户的 VLR中所述用户的 0-CSI 的消息并发送给所述 VLR , 从而使用户的始发呼叫能够触发到所述国际业务 网关 501 , 对需要纠正的号码进行纠正并由拜访移动交换中心 502转发给国 际关口局 503进行处理， 并将经过国际关口局 503处理的号码转发给所述用 户的归属地预付费 SCP , 这样， 不管所述归属地预付费 SCP下发 CO匪 ECT还 是 CONTINUE信令， 都能够实现预付费漫游用户拨号智能纠正并自动接续。
进一步地，所述国际业务网关 501可为图 3或图 4所示的国际业务网关。 此外， 预付费漫游用户拨号智能纠正系统 500纠正用户拨号的方式可参 考图 1和图 2所示的流程， 此处不再赘述。
本领域普通技术人员可以理解， 实现上述实施例方法中的全部或部分流 程， 是可以通过计算机程序来指令相关的硬件来完成， 所述的程序可存储于 一计算机可读取存储介质中， 该程序在执行时， 可包括如上述各方法的实施 例的流程。其中，所述的存储介质可为磁碟、光盘、只读存储记忆体（ Read-Only Memory, ROM )或随机存储记忆体 ( Random Acces s Memory, RAM )等。
以上所述， 仅为本发明的具体实施方式， 但本发明的保护范围并不局限 于此， 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内， 可轻易 想到变化或替换， 都应涵盖在本发明的保护范围之内。 因此， 本发明的保护 范围应以权利要求所述的保护范围为准。

Claims

权 利 要 求
1、 一种预付费漫游用户拨号智能纠正的方法， 其特征在于， 包括： 监测经过国际关口局的预付费漫游用户相关的 MAP信令；
构造用于修改所述预付费漫游用户的拜访位置寄存器中所述用户的主叫 签约信息的消息， 并发送给所述拜访位置寄存器；
判断来自于所述用户的拜访移动交换中心的拨号是否需要纠正； 交换中心发送到所述国际关口局；
接收所述国际关口局发送的携带有经过所述国际关口局处理的拨号的消 息， 并根据所述 MAP信令， 将所述消息转发给所述用户的归属地预付费业务 控制点。
2、 根据权利要求 1所述的方法， 其特征在于， 所述监测经过国际关口局 的预付费漫游用户相关的 MAP信令包括：
监测经过所述国际关口局的预付费漫游用户相关的位置更新消息和插入 用户数据消息；
提取并保存所述位置更新消息和所述插入用户数据消息中的信息。
3、 根据权利要求 2所述的方法， 其特征在于， 所述位置更新消息和所述 插入用户数据消息中的信息包括： 所述用户的国际移动用户识别码、 移动台 I SDN号码、 所述拜访位置寄存器的号码和所述用户的主叫签约信息。
4、 根据权利要求 3所述的方法， 其特征在于， 所述对所述拨号进行纠正 并将纠正的拨号通过所述拜访移动交换中心发送到所述国际关口局包括： 纠正所述拨号， 并在纠正的所述拨号前添加前缀；
向所述拜访移动交换中心下发连接接续信令； 所述拜访移动交换中心将携带有所述前缀的纠正的拨号发送给所述国际 关口局。
5、 根据权利要求 4所述的方法， 其特征在于， 所述接收所述国际关口局 发送的携带有经过所述国际关口局处理的拨号的消息，并根据所述 MAP信令， 将所述消息转发给所述用户的归属地预付费业务控制点具体为：
接收所述国际关口局发送的含有经过前缀剥离处理的拨号的消息 , 并根 据所述 MAP信令， 将所述消息转发给所述用户的归属地预付费业务控制点。
6、 根据权利要求 1至 5任一项所述的方法， 其特征在于， 若来自于所述 用户的拜访移动交换中心的拨号不需要纠正， 则向所述拜访移动交换中心下 发 Con t i nue让呼叫继续。
7、 一种国际业务网关， 其特征在于， 包括：
监测与构造单元，用于监测经过国际关口局的预付费漫游用户相关的 MAP 信令， 构造用于修改所述预付费漫游用户的拜访位置寄存器中所述用户的主 叫签约信息的消息并通过接收与发送单元发送到所述拜访位置寄存器；
处理单元， 用于判断来自于所述用户的拜访移动交换中心的拨号是否需 要纠正， 若需要纠正， 则对所述拨号进行纠正并通过所述接收与发送单元向 所述拜访移动交换中心下发连接接续信令；
接收与发送单元， 用于接收所述来自于所述用户的拜访移动交换中心的 拨号并转发给所述处理单元， 根据所述 MAP信令， 将来自于所述国际关口局 的携带有经过所述国际关口局处理的拨号的消息转发给所述用户的归属地预 付费业务控制点。
8、 根据权利要求 7所述的国际业务网关， 其特征在于， 所述 MAP信令包 括： 位置更新消息和插入用户数据消息。
9、 根据权利要求 7所述的国际业务网关， 其特征在于， 所述处理单元包 括：
判断单元，用于判断来自于所述拜访移动交换中心的拨号是否需要纠正， 并将判断结果发送给纠正单元；
纠正单元， 用于在所述拨号需要纠正时， 对所述拨号进行纠正并通过所 述接收与发送单元向所述拜访移动交换中心下发连接接续信令。
10、 根据权利要求 7或 8或 9所述的国际业务网关， 其特征在于， 若来 自于所述用户的拜访移动交换中心的拨号不需要纠正， 则所述处理单元向所 述拜访移动交换中心下发 Con t i nue让呼叫继续。
11、 一种预付费漫游用户拨号智能纠正的系统， 其特征在于， 包括： 国际业务网关， 用于监测经过国际关口局的预付费漫游用户相关的 MAP 信令， 构造用于修改所述预付费漫游用户的拜访位置寄存器中所述用户的主 叫签约信息的消息并发送给所述拜访位置寄存器， 判断来自于所述用户的拜 访移动交换中心的拨号是否需要纠正， 若需要纠正， 则对所述拨号进行纠正 并向所述拜访移动交换中心下发连接接续信令， 根据所述 MAP信令， 将来自 于所述国际关口局的含有经过处理的拨号的消息转发给所述用户的归属地预 付费业务控制点；
拜访移动交换中心， 用于向所述国际业务网关发送所述用户的拨号， 将 所述国际业务网关纠正过的拨号转发给所述国际关口局；
国际关口局， 用于将所述拜访移动交换中心发送的所述纠正过的拨号进 行处理， 将处理后的拨号经过所述国际业务网关发送给所述用户的归属地预 付费业务控制点。
12、 根据权利要求 11所述的系统， 其特征在于， 若来自于所述用户的拜 访移动交换中心的拨号不需要纠正， 则所述国际业务网关向所述拜访移动交 换中心下发 Con t i nue让呼叫继续。
13、 根据权利要求 11或 12所述的系统， 其特征在于， 所述国际业务网 关为如权利要求 7至 10任一项所述的国际业务网关。
PCT/CN2010/074818 2009-09-10 2010-06-30 预付费漫游用户拨号智能纠正的方法、设备与系统 WO2011029341A1 (zh)

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