WO2014117526A1 - 预付费扣费方法、装置及通信设备 - Google Patents

预付费扣费方法、装置及通信设备 Download PDF

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Publication number
WO2014117526A1
WO2014117526A1 PCT/CN2013/083692 CN2013083692W WO2014117526A1 WO 2014117526 A1 WO2014117526 A1 WO 2014117526A1 CN 2013083692 W CN2013083692 W CN 2013083692W WO 2014117526 A1 WO2014117526 A1 WO 2014117526A1
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WIPO (PCT)
Prior art keywords
called party
current rate
center
deduction
service
Prior art date
Application number
PCT/CN2013/083692
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English (en)
French (fr)
Inventor
耿长剑
丁俊
孙学真
李正祥
Original Assignee
中兴通讯股份有限公司
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Publication of WO2014117526A1 publication Critical patent/WO2014117526A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
    • H04L12/1453—Methods or systems for payment or settlement of the charges for data transmission involving significant interaction with the data transmission network
    • 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
    • H04M15/08—Metering calls to called party, i.e. B-party charged for the communication
    • 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
    • H04M15/60—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP based on actual use of network resources
    • 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
    • H04M15/61—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP based on the service used
    • 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 embodiments of the present invention relate to the field of communications, and in particular, to a prepaid debit method, apparatus, and communication device. Background technique
  • Some carrier users roam in non-local networks. Whether sending or receiving text messages, they need to use other operators' networks. This requires payment to other operators. The rate at which the user sends or receives the text message on the local network is different from that of the roaming network. Therefore, before the user initiates the pre-paid authentication, the user first needs to query the location information of the user in the Home Location Register (HLR), and initiate the prepayment. It takes time to bring the user's current location information, namely the Mobile Switching Center (MSC), to determine the rate of the message.
  • HLR Home Location Register
  • MSC Mobile Switching Center
  • the deduction mode of the related technology is to charge the message in the calling process, that is, the deduction of the message before the end of the message, and the MSC address of the called party is carried at the time of deduction, and the destination user occurs once the call is terminated. Roaming switching will result in inaccurate deductions.
  • the following two situations are typical: 1. If there is a large backlog of user messages for this purpose, the message cannot be delivered temporarily, and the message will be cached and sent. When the call is sent, the called party roams to another network, causing the charge to be deducted. The MSC address is inconsistent with the terminal call, resulting in inaccurate deduction.
  • an object of the embodiments of the present invention is to provide a prepaid debit method, apparatus, and communication device to ensure the correctness of the deduction.
  • the solution provided by the embodiment of the present invention is as follows:
  • the embodiment of the invention provides a prepaid deduction method, including:
  • the requesting charging center charges the called party according to the current rate of the called party;
  • the charging center is requested to make a replenishment of the called deduction before the termination call process fails.
  • the first type of service is a short message service.
  • the requesting the charging center to replenish the called debit charge before the termination call process fails occurs at the requesting charging center according to the called current rate to the called party Before deducting the fee.
  • the method further includes:
  • the current rate of the called party corresponds to the current location information of the called party.
  • the requesting charging center deducts the called party according to the current rate of the called party, including:
  • the embodiment of the invention further provides a prepaid deduction device, comprising:
  • the first requesting module is configured to: when the terminal call process for the first type of service fails for the called party, request the charging center to charge the called party according to the current rate of the called party;
  • An initiating module configured to initiate, for the first type of service, when the deduction is successful The call process for the called party;
  • the second requesting module is configured to request the charging center to replenish the called debit charge before the termination call process fails.
  • the first type of service is a short message service.
  • the device further includes:
  • the current rate of the called party corresponds to the current location information of the called party.
  • Embodiments of the present invention also provide a short message center including the prepaid debit apparatus described above.
  • the embodiment of the present invention has at least the following beneficial effects: by requesting the charging center to charge the called party when the terminal calling process fails, and initiating the calling process for the called party when the charging is successful, and The charging center is requested to make a replenishment of the deducted charge before the termination call process fails, so that when the current rate of the called party fails when the termination call process fails, compared with the current rate of the called party when the previous deduction is changed, The deduction can be charged according to the current rate of change, thus ensuring the correctness of the deduction.
  • FIG. 1 is a flow chart of steps of a prepaid deduction method according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a process of called roaming deduction in the related art
  • FIG. 3 is a schematic diagram of a flow of a called roaming charge according to an embodiment of the present invention. detailed description
  • Step 101 When a call termination process for a first type of service fails, requesting a charging center according to the called The current rate is charged to the called party;
  • Step 102 When the deduction is successful, initiate a call termination process for the first type of service for the called party;
  • Step 103 Request the charging center to replenish the called deduction before the termination call process fails.
  • the terminal call process for the called party is initiated when the charging is successful, and the charging fee of the called party is requested before the charging center fails.
  • the replenishment is performed, so that when the current rate of the called party changes when the terminal calling process fails, and the current rate of the called party is changed at the time of the previous deduction, the called party can be charged according to the changed current rate. This ensures the correctness of the deduction.
  • the service for the first type is, for example, a short message service, an email service, or the like.
  • the charging center is, for example, an Online Charging System (OSC).
  • OSC Online Charging System
  • the requesting the charging center to replenish the debit charge of the called party before the termination call process fails may occur at the requesting charging center according to the current fee of the called party
  • the rate may be before or at the same time as the deduction of the called party; or it may occur after or at the same time as the initiation of the call to the called party.
  • the method may further include: returning a successful call response to the calling party.
  • the method further includes: Returns a successful call response to the caller.
  • the current rate of the called party may correspond to the current time zone, for example, the current rate of the called party when busy is higher than the current rate of the called party when idle.
  • the billing center can maintain a unified rate for the user group where the called user is located in real time, and can also maintain the current rate for the called user.
  • the current rate of the called party may also correspond to the current location information of the called party.
  • the real-time maintenance of the location information of the called location such as the HLR, may report the changed location information to the charging center when the location information of the called party changes, and accordingly, the charging center may The current location information of the call is updated to the location information newly reported by the register, and the current rate of the called party is determined according to the updated current location information of the called party; or, the charging center may also receive the called party Obtaining the current location information of the called party from the register when performing the request for deduction, and determining the current rate of the called party according to the obtained current location information of the called party; or,
  • the requesting charging center deducts the called party according to the current rate of the called party, including:
  • Roaming handover refers to roaming handover between operators' networks with different rates, which may be between a local network and a non-local network, or between non-local networks.
  • the current rate of the called party may also correspond to the current location information of the called party, where the current location information of the called party may include: the MSC address where the called party is currently located.
  • Step 2001 the short message service center (SMSC) receives a call request message, decodes the message, and the like, and processes a series of call process;
  • SMSC short message service center
  • Step 2002 The short message center queries the HLR to query the called routing information according to the destination number, and if the called party is a code division multiple access (CDMA) code network, sends a CDMA routing query request (SMSREQ, Short Message Service Request) Signaling, if the called party is a Global System for Mobile Communications (GSM) network user, sends a GSM routing query (SRIREQ, MAP-SEND-ROUTING-INFO-FOR-SM service) signaling;
  • CDMA code division multiple access
  • GSM Global System for Mobile Communications
  • Step 2003 the short message center receives the called routing information returned by the HLR, and obtains the current MSC address of the called party after decoding;
  • OCS online charging system
  • Step 2005 the short message center receives the called prepaid deduction response returned by the OCS, and carries the prepaid authentication result;
  • Step 2006 according to the prepaid authentication result, the short message center sends a callback response to the calling user; wherein, if the prepaid authentication result indicates that the deduction fails (user arrears, etc.), the reply fails the call response, the message flow End; reply if the deduction is successful in the prepaid authentication result Successful call response.
  • Step 2007, the short message center initiates a message termination request
  • Step 2008 the short message center receives the final call response, and decodes the response
  • Step 2009 The short message center determines whether the message is sent successfully or fails according to the received terminal call response. If the sending is successful, the message flow ends.
  • Step 2010 If the message fails to be sent, it is determined whether the retry policy is configured according to the specific error code value. If the retry policy is configured, the message enters the retry process;
  • step 2007-step 2010 After the message is retried, repeat step 2007-step 2010 until the message reaches the final state. If the retry policy is not configured, the message ⁇ : failed processing.
  • Step 2011 if the message finally fails to be sent, the deduction of the deduction fee initiated by the calling process needs to be replenished, and the short message center constructs the called replenishment request to be sent to the OCS;
  • Step 2012 the short message center receives the called replenishment response of the OCS. If the replenishment fails, the replenishment bill is required, and the replenishment is made through the file interface.
  • Step 3001 The short message center receives a call request message, decodes the message, and the like, and processes a series of call origin processes;
  • Step 3002 The short message center returns a call response according to the result of the call processing.
  • Step 3003 The short message center sends a route query request including the destination number to the HLR, so as to come to the HLR to query the called routing information, if the called party is the C network, send the SMSREQ signaling, if the called party is the G network, send the SRIREQ signaling. ;
  • Step 3004 The short message center receives the called routing information returned by the HLR, and obtains the current MSC address of the called party after decoding;
  • Step 3005 The short message center sends a called prepaid deduction request to the OCS according to the configuration, and carries information such as the current MSC address, the calling and called number, and the like of the called party;
  • Step 3006 The short message center receives the called prepaid deduction response sent by the OCS, where the prepaid authentication result is carried;
  • step 3007 is performed.
  • Step 3007 The short message center initiates a message termination request.
  • Step 3008 the short message center receives the terminal call response, and decodes the response.
  • Step 3009 The short message center determines whether the message is sent successfully or fails according to the received terminal call response. If the sending succeeds, the message flow ends; if it fails, step 3010 is immediately executed.
  • Step 3010 The short message center initiates a replenishment request for the last deduction, and carries the current MSC address of the called party carried in the called prepaid deduction request of step 3005 in the replenishment request;
  • Step 3011 optionally, the short message center receives the replenishment response of the OCS
  • Step 3012 The short message center determines, according to the specific error code value in the terminal call response received in step 3009, whether a retry policy is configured, if no retry policy message is configured to perform failure processing; otherwise, the message enters a retry process, and the short message The center returns to step 3003.
  • the step 3012 can be replaced by: the short message center determines whether the number of message retry times reaches a preset value, and if so, fails processing; otherwise, the message enters a retry process, and the short message center returns to step 3003.
  • the called charging point is moved from the calling process to the terminating call process, that is, the prepaid debiting request is initiated before the message is to be terminated to the MSC, before the prepaid deduction is initiated, the service is
  • the call routing request is initiated first. If the called party is a CDMA network user, the SMSREQ signaling is used. If the called party is a GSM network user, the SRIREQ signaling is used, and the current MSC address of the called user is obtained from the HLR. When the authentication is performed, the current MSC address of the destination user is carried to the charging center.
  • the message is terminated, otherwise the message is terminated. If the message is lost Lose, immediately initiate a replenishment of the called party.
  • the subsequent message initiates a retry process. Before each final call, the previous process is repeated. Before each terminal call, the current MSC address of the destination user is obtained, then the called prepaid authentication is initiated, and then the final call message is sent. . This ensures that the message is deducted according to the exact rate before the end of the message. If the message is delivered, it will be replenished immediately. When the message is retried, the deduction will be re-initiated.
  • the message is initiated by the message before the termination of the message (including the retry), and the method of replenishing the failure of the terminal call.
  • the called route query is initiated to obtain the MSC of the destination user.
  • the address carries the current MSC of the destination user to the billing center during pre-paid authentication. If the message fails to be terminated, the fee charged before the call is immediately replenished.
  • the route query is initiated again, and the current MSC address of the destination user is deducted again, thereby ensuring the accuracy of the message deduction.
  • the embodiment of the invention further provides a prepaid deduction device, comprising:
  • the first requesting module is configured to: when the terminal call process for the first type of service fails for the called party, request the charging center to charge the called party according to the current rate of the called party;
  • An initiating module configured to initiate a call termination process for the first type of service for the called party when the deduction is successful
  • the second requesting module is configured to request the charging center to replenish the called debit charge before the termination call process fails.
  • the terminal call process for the called party is initiated when the charging is successful, and the charging fee of the called party is requested before the charging center fails.
  • the replenishment is performed, so that when the current rate of the called party changes when the terminal calling process fails, and the current rate of the called party is changed at the time of the previous deduction, the called party can be charged according to the changed current rate. This ensures the correctness of the deduction.
  • the first type of service may be a short message service.
  • the device may further include:
  • the returning module is configured to return a successful call response to the calling party before the first requesting module requests the charging center to charge the called party according to the current rate of the called party.
  • the current rate of the called party may correspond to the current location information of the called party.
  • the embodiment of the present invention further provides a short message center, where the short message center includes the prepaid debit device described above.
  • the first requesting module, the initiating module, the second requesting module, and the returning module may all be by a central processing unit (CPU) in the short message center, and a digital signal Implemented by a DSP (Digital Signal Processor) or a Field Programmable Gate Array (FPGA).
  • CPU central processing unit
  • DSP Digital Signal Processor
  • FPGA Field Programmable Gate Array

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Abstract

本发明实施例提供一种预付费扣费方法、装置及通信设备。所述方法包括：在针对第一类型业务的面向被叫的终呼过程失败时，请求计费中心根据所述被叫的当前费率对所述被叫进行扣费；在所述扣费成功时，发起针对所述第一类型业务的面向所述被叫的终呼过程；以及与请求所述计费中心对终呼过程失败之前对所述被叫的扣费进行补款。本发明实施例保证了扣费的正确性。

Description

预付费扣费方法、 装置及通信设备
技术领域
本发明实施例涉及通信领域， 尤其涉及一种预付费扣费方法、 装置及 通信设备。 背景技术
有些运营商用户在非本网络中漫游， 无论发送还是接收短信， 都需要 使用其他运营商的网络， 这就需要向其他运营商支付费用。 用户在本地网 络发送或接收发短信的费率不同与漫游网络不同， 因此需要对用户发起预 付费鉴权前， 首先到归属位置寄存器（HLR， Home Location Register )查询 用户的位置信息， 在发起预付费时带上用户当前的位置信息， 即移动交换 中心 ( MSC, Mobile Switching Center ), 以确定消息的费率。
相关技术的扣费模式都是在起呼流程对消息进行扣费， 也就是在消息 终呼前完成消息的扣费， 扣费时携带了此时被叫的 MSC地址， 一旦终呼时 目的用户发生了漫游切换， 则会导致扣费不准确。 典型的有下列两种情况： 1、 如果此目的用户消息大量积压， 本条消息暂时无法得到下发， 消息就会 入緩存等待下发， 等到下发时被叫漫游到了另外一个网络， 导致扣费时和 终呼时的 MSC地址不一致， 从而导致了扣费不准确。
2、 本条消息得到了立即下发， 但是下发失败， 消息入緩存等待重试， 重试时被叫用户漫游到了另外一个网络， 也会导致扣费时和终呼时的 MSC 地址不一致， 导致扣费的不准确。 发明内容
有鉴于此， 本发明实施例的目的是提供一种预付费扣费方法、 装置及 通信设备， 以保证扣费的正确性。 为解决上述技术问题， 本发明实施例提供方案如下：
本发明实施例提供一种预付费扣费方法， 包括：
在针对第一类型业务的面向被叫的终呼过程失败时， 请求计费中心根 据所述被叫的当前费率对所述被叫进行扣费；
在所述扣费成功时， 发起针对所述第一类型业务的面向所述被叫的终 呼过程； 以及
请求所述计费中心对终呼过程失败之前对所述被叫的扣费进行补款。 优选的， 所述第一类型业务为短消息业务。
优选的， 所述请求所述计费中心对终呼过程失败之前对所述被叫的扣 费进行补款发生在所述请求计费中心根据所述被叫的当前费率对所述被叫 进行扣费之前。
优选的， 所述请求计费中心根据所述被叫的当前费率对所述被叫进行 扣费之前， 所述方法还包括：
返回成功的起呼响应给主叫。
优选的， 所述被叫的当前费率与所述被叫的当前位置信息对应。
优选的， 所述请求计费中心根据所述被叫的当前费率对所述被叫进行 扣费， 包括：
从位置寄存器获取所述被叫的当前位置信息；
将包括所述被叫的当前位置信息的请求消息发送给所述计费中心， 使 得所述计费中心根据所述被叫的当前位置信息确定所述当前费率， 并根据 所述当前费率对所述被叫进行扣费。
本发明实施例还提供一种预付费扣费装置， 包括：
第一请求模块， 配置为在针对第一类型业务的面向被叫的终呼过程失 败时， 请求计费中心根据所述被叫的当前费率对所述被叫进行扣费；
发起模块， 配置为在所述扣费成功时， 发起针对所述第一类型业务的 面向所述被叫的终呼过程； 以及
第二请求模块， 配置为请求所述计费中心对终呼过程失败之前对所述 被叫的扣费进行补款。
优选的， 所述第一类型业务为短消息业务。
优选的， 所述装置还包括：
返回模块， 配置为在所述第一请求模块请求计费中心根据所述被叫的 当前费率对所述被叫进行扣费之前， 返回成功的起呼响应给主叫。
优选的， 所述被叫的当前费率与所述被叫的当前位置信息对应。
本发明实施例还提供一种包括以上所述的预付费扣费装置的短消息中 心。
从以上所述可以看出， 本发明实施例至少具有如下有益效果： 通过在终呼过程失败时请求计费中心对被叫扣费， 在扣费成功时发起 面向被叫的终呼过程， 以及请求计费中心对终呼过程失败之前对被叫的扣 费进行补款， 从而在终呼过程失败时被叫的当前费率与之前扣费时被叫的 当前费率相比发生变化的情况下， 能够根据变化后的当前费率对被叫进行 扣费， 从而保证了扣费的正确性。 附图说明
图 1为本发明实施例提供的一种预付费扣费方法的步骤流程图； 图 2为相关技术中被叫漫游扣费流程示意图；
图 3为本发明实施例的被叫漫游扣费流程示意图。 具体实施方式
为使本发明实施例的目的、 技术方案和优点更加清楚， 下面将结合附 图及具体实施例对本发明实施例进行详细描述。
图 1 为本发明实施例提供的一种预付费扣费方法的步骤流程图， 参照 图 1， 本发明实施例提供一种预付费扣费方法， 包括如下步骤： 步骤 101， 在针对第一类型业务的面向被叫的终呼过程失败时， 请求计 费中心根据所述被叫的当前费率对所述被叫进行扣费；
步骤 102， 在所述扣费成功时， 发起针对第一类型业务的面向所述被叫 的终呼过程； 以及
步骤 103，请求所述计费中心对终呼过程失败之前对所述被叫的扣费进 行补款。
可见， 通过在终呼过程失败时请求计费中心对被叫扣费， 在扣费成功 时发起面向被叫的终呼过程， 以及请求计费中心对终呼过程失败之前对被 叫的扣费进行补款， 从而在终呼过程失败时被叫的当前费率与之前扣费时 被叫的当前费率相比发生变化的情况下， 能够根据变化后的当前费率对被 叫进行扣费， 从而保证了扣费的正确性。
其中， 所述针对第一类型业务例如： 短消息业务， 电子邮件业务等。 所述计费中心例如： 在线计费系统（ OSC， Online Charging System )。 在本发明实施例中， 所述请求所述计费中心对终呼过程失败之前对所 述被叫的扣费进行补款， 可以发生在所述请求计费中心根据所述被叫的当 前费率对所述被叫进行扣费之前或者与之同时； 或者， 也可以发生在所述 发起面向所述被叫的终呼过程之后或者与之同时。
在本发明实施例中， 所述在所述扣费成功时， 所述方法还可以包括： 返回成功的起呼响应给主叫。
考虑到面向被叫的终呼过程可能发生多次的情况， 在采用上述方式的 情况下， 每次扣费成功时都会返回成功的起呼响应给主叫， 从而增加了消 息开销， 为了减少消息开销， 可以有另一种方式：
所述请求计费中心根据所述被叫的当前费率对所述被叫进行扣费之 前， 所述方法还包括： 返回成功的起呼响应给主叫。
在本发明实施例中， 所述被叫的当前费率可以与当前所在的时间段对 应， 例如， 忙时被叫的当前费率高于闲时被叫的当前费率。 其中， 计费中 心可以为被叫用户所在的用户组实时维护统一的费率， 也可以为被叫用户 单独进行当前费率的维护。
或者，
所述被叫的当前费率也可以与所述被叫的当前位置信息对应。 其中， 实时维护被叫所在位置信息的寄存器， 例如 HLR， 可以在被叫所在位置信 息发生改变时将被叫改变后的位置信息上报给计费中心， 相应地， 计费中 心可以将所述被叫的当前位置信息更新为寄存器新上报的位置信息， 并根 据更新后的所述被叫的当前位置信息确定所述被叫的当前费率； 或者， 计 费中心也可以在收到对被叫进行扣费的请求时从寄存器获取被叫的当前位 置信息， 并根据获取到的所述被叫的当前位置信息确定所述被叫的当前费 率； 或者， 可以有：
所述请求计费中心根据所述被叫的当前费率对所述被叫进行扣费， 包 括：
从位置寄存器获取所述被叫的当前位置信息；
将包括所述被叫的当前位置信息的请求消息发送给所述计费中心， 使 得所述计费中心根据所述被叫的当前位置信息确定所述当前费率， 并根据 所述当前费率对所述被叫进行扣费。
这样， 如果被叫在被扣费之后发生了漫游切换， 则计费中心可以根据 漫游切换后的被叫所在位置对应的费率对被叫进行扣费， 从而更能准确地 对被叫进行扣费。 这里的漫游切换是指发生在费率不同的运营商网络之间 的漫游切换， 可以是在本地网络和非本地网络之间， 也可以是在非本地网 络之间。 前面提到， 所述被叫的当前费率也可以与所述被叫的当前位置信息对 应， 其中， 所述被叫的当前位置信息可以包括： 所述被叫当前所在的 MSC 地址。
为将本发明实施例阐述得更加清楚明白， 下面提供本发明实施例的较 佳实施方式。
首先， 结合图 2将本较佳实施方式所对应的传统的被叫漫游扣费流程 描述如下：
步骤 2001， 短消息中心 （SMSC， Short Message Service Center ) 收到 了一条起呼请求消息， 对消息进行解码等一系列起呼流程处理；
步骤 2002， 短消息中心根据目的号码， 到 HLR查询被叫路由信息， 如 果被叫是码分多址 ( CDMA， Code Division Multiple Access ) 网用户， 则 发送 CDMA路由查询请求（ SMSREQ , Short Message Service Request )信 令， 如果被叫是全球移动通信系统 （GSM， Global System for Mobile communications ) 网络用 户 则发送 GSM 路由查询 （ SRIREQ， MAP-SEND-ROUTING-INFO-FOR-SM service )信令；
步骤 2003，短消息中心收到 HLR返回的被叫路由信息， 解码后得到被 叫当前的 MSC地址；
步骤 2004， 短消息中心根据配置， 发送被叫预付费扣费请求到在线计 费系统（ OCS， Online Charging System )携带被叫当前的 MSC地址、 主被 叫号码等信息；
步骤 2005， 短消息中心收到 OCS返回的被叫预付费扣费响应， 其中携 带有预付费鉴权结果；
步骤 2006，根据预付费鉴权结果，短消息中心给起呼用户回起呼响应； 其中， 如果预付费鉴权结果指示扣费失败（用户欠费等）， 则回复失败 起呼响应， 消息流程结束； 如果预付费鉴权结果中指示扣费成功， 则回复 成功的起呼响应。
步骤 2007， 短消息中心发起消息终呼请求；
步骤 2008， 短消息中心收到终呼响应， 并对响应进行解码；
步骤 2009， 短消息中心根据收到的终呼响应， 判断消息发送成功还是 失败， 如果发送成功， 结束消息流程；
步骤 2010， 如果消息发送失败， 根据具体错误码值判断是否配置了重 试策略， 如果配置了重试策略， 消息进入重试流程；
其中， 消息重试后重复步骤 2007-步骤 2010， 直到消息达到最终状态。 如果没有配置重试策略， 消息^：失败处理。
步骤 2011， 如果消息最终发送失败， 需要对起呼流程发起的扣费进行 补款， 短消息中心构造被叫补款请求发送到 OCS;
步骤 2012， 短消息中心收到 OCS的被叫补款响应， 如果补款失败， 需 要出补款话单， 通过文件接口补款。
其次， 结合图 3 将本较佳实施方式所对应的传统的被叫漫游扣费流程 描述如下：
步骤 3001， 短消息中心收到了一条起呼请求消息， 对消息进行解码等 一系列起呼流程处理；
步骤 3002， 短消息中心根据起呼处理结果， 回起呼响应；
步骤 3003，短消息中心向 HLR发送包括目的号码的路由查询请求， 以 此来到 HLR查询被叫路由信息， 如果被叫是 C网， 发送 SMSREQ信令， 如果被叫是 G网发送 SRIREQ信令；
步骤 3004，短消息中心收到 HLR返回的被叫路由信息， 解码后得到被 叫当前的 MSC地址；
步骤 3005， 短消息中心根据配置， 发送被叫预付费扣费请求到 OCS， 携带被叫当前的 MSC地址、 主被叫号码等信息； 步骤 3006， 短消息中心收到 OCS发送的被叫预付费扣费响应， 其中携 带有预付费鉴权结果；
其中， 如果预付费鉴权结果指示扣费失败（用户欠费等）， 则不会再发 起终呼请求， 结束消息流程； 如果预付费鉴权结果指示扣费成功， 则执行 步骤 3007。
步骤 3007， 短消息中心发起消息终呼请求；
步骤 3008， 短消息中心收到终呼响应， 并对响应进行解码；
步骤 3009， 短消息中心根据收到的终呼响应， 判断消息发送成功还是 失败， 如果发送成功， 则结束消息流程； 如果失败， 立即执行步骤 3010。
步骤 3010， 短消息中心对上次的扣费发起补款请求， 在补款请求中携 带步骤 3005的被叫预付费扣费请求中携带的被叫当前的 MSC地址；
步骤 3011， 可选地， 短消息中心收到 OCS的补款响应；
步骤 3012，短消息中心根据步骤 3009中收到的终呼响应中的具体错误 码值判断是否配置了重试策略， 如果没有配置重试策略消息做失败处理； 否则消息进入重试流程， 短消息中心返回执行步骤 3003。
其中， 步骤 3012可以替换为： 短消息中心判断消息重试次数是否达到 预设值， 如果是， 则做失败处理； 否则消息进入重试流程， 短消息中心返 回执行步骤 3003。
可见， 本较佳实施方式将被叫扣费点由起呼流程移到终呼流程， 也就 是在本条消息将要终呼到 MSC前发起预付费扣费请求，在发起预付费扣费 前， 业务都先发起一次被叫路由请求， 如果被叫是 CDMA网络用户则采用 SMSREQ信令， 如果被叫是 GSM网络用户则采用 SRIREQ信令， 从 HLR 获取到被叫用户当前的 MSC地址， 在预付费鉴权时， 携带目的用户当前的 MSC地址到计费中心。
如果预付费鉴权失败， 则终止消息， 否则终呼消息。 如果消息终呼失 败， 立即对被叫发起补款。
后续消息发起重试流程， 在每次终呼前， 重复前面的流程， 在每次终 呼前， 先获取到目的用户的当前 MSC地址， 然后发起被叫预付费鉴权， 然 后再终呼消息。 这样就保证了消息每次终呼前都是按照准确的费率扣费， 消息下发失败立即补款， 等消息重试时重新发起扣费。
本较佳实施方式通过消息每次终呼前 (包括重试）都发起预付费鉴权、 终呼失败则补款的方式， 在消息终呼之前， 发起被叫路由查询， 得到目的 用户的 MSC地址，在预付费鉴权时携带目的用户当前的 MSC到计费中心， 如果消息终呼失败， 立即对终呼前所扣费用进行补款。 等消息重试时， 重 复上述流程， 再次发起路由查询， 再次根据目的用户当前的 MSC地址进行 扣费， 从而保证了消息扣费的准确性。
本发明实施例还提供一种预付费扣费装置， 包括：
第一请求模块， 配置为在针对第一类型业务的面向被叫的终呼过程失 败时， 请求计费中心根据所述被叫的当前费率对所述被叫进行扣费；
发起模块， 配置为在所述扣费成功时， 发起针对所述第一类型业务的 面向所述被叫的终呼过程； 以及
第二请求模块， 配置为请求所述计费中心对终呼过程失败之前对所述 被叫的扣费进行补款。
可见， 通过在终呼过程失败时请求计费中心对被叫扣费， 在扣费成功 时发起面向被叫的终呼过程， 以及请求计费中心对终呼过程失败之前对被 叫的扣费进行补款， 从而在终呼过程失败时被叫的当前费率与之前扣费时 被叫的当前费率相比发生变化的情况下， 能够根据变化后的当前费率对被 叫进行扣费， 从而保证了扣费的正确性。
其中， 所述第一类型业务可以为短消息业务。
此外， 所述装置还可以包括： 返回模块， 配置为在所述第一请求模块请求计费中心根据所述被叫的 当前费率对所述被叫进行扣费之前， 返回成功的起呼响应给主叫。
此外， 所述被叫的当前费率可以与所述被叫的当前位置信息对应。 本发明实施例还提供了一种短消息中心， 所述短消息中心包括以上所 述的预付费扣费装置。
实际应用中， 所述第一请求模块、 所述发起模块、 所述第二请求模块 和所述返回模块， 均可由所述短消息中心中的中央处理器 （CPU， Central Processing Unit ), 数字信号处理器（DSP， Digital Signal Processor )或现场 可编程门阵列 （FPGA， Field Programmable Gate Array ) 实现。
以上所述仅是本发明的较佳实施方式， 应当指出， 对于本技术领域的 普通技术人员来说， 在不脱离本发明原理的前提下， 还可以作出若干改进 和润饰， 这些改进和润饰也应视为本发明的保护范围。

Claims

权利要求书
1、 一种预付费扣费方法， 包括：
在针对第一类型业务的面向被叫的终呼过程失败时， 请求计费中心根 据所述被叫的当前费率对所述被叫进行扣费；
在所述扣费成功时， 发起针对所述第一类型业务的面向所述被叫的终 呼过程； 以及
请求所述计费中心对终呼过程失败之前对所述被叫的扣费进行补款。
2、如权利要求 1所述的方法，其中， 所述第一类型业务为短消息业务。
3、 如权利要求 1所述的方法， 其中， 所述请求所述计费中心对终呼过 程失败之前对所述被叫的扣费进行补款， 发生在所述请求计费中心根据所 述被叫的当前费率对所述被叫进行扣费之前。
4、 如权利要求 1所述的方法， 其中， 所述请求计费中心根据所述被叫 的当前费率对所述被叫进行扣费之前， 所述方法还包括：
返回成功的起呼响应给主叫。
5、 如权利要求 1所述的方法， 其中， 所述被叫的当前费率与所述被叫 的当前位置信息对应。
6、 如权利要求 5所述的方法， 其中， 所述请求计费中心根据所述被叫 的当前费率对所述被叫进行扣费， 包括：
从位置寄存器获取所述被叫的当前位置信息；
将包括所述被叫的当前位置信息的请求消息发送给所述计费中心， 使 得所述计费中心根据所述被叫的当前位置信息确定所述当前费率， 并根据 所述当前费率对所述被叫进行扣费。
7、 一种预付费扣费装置， 包括：
第一请求模块， 配置为在针对第一类型业务的面向被叫的终呼过程失 败时， 请求计费中心根据所述被叫的当前费率对所述被叫进行扣费； 发起模块， 配置为在所述扣费成功时， 发起针对所述第一类型业务的 面向所述被叫的终呼过程； 以及
第二请求模块， 配置为请求所述计费中心对终呼过程失败之前对所述 被叫的扣费进行补款。
8、如权利要求 7所述的装置，其中， 所述第一类型业务为短消息业务。
9、 如权利要求 7所述的装置， 其中， 所述装置还包括：
返回模块， 配置为在所述第一请求模块请求计费中心根据所述被叫的 当前费率对所述被叫进行扣费之前， 返回成功的起呼响应给主叫。
10、 如权利要求 7所述的装置， 其中， 所述被叫的当前费率与所述被 叫的当前位置信息对应。
11、 一种短消息中心， 包括如权利要求 7至 10中任一项所述的预付费 扣费装置。
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