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    • 66. 发明申请
    • TELEPHONE CALL DIALLING
    • 电话呼叫拨号
    • US20070211870A1
    • 2007-09-13
    • US11682828
    • 2007-03-06
    • Leon De Beer
    • Leon De Beer
    • H04M15/00
    • H04M15/854H04M15/00H04M15/30H04M15/49H04M15/67H04M15/8038H04M15/8044H04M15/83H04M15/88H04M17/00H04M17/026H04M17/20H04M2215/0116H04M2215/32H04M2215/34H04M2215/42H04M2215/46H04M2215/48H04M2215/7442H04M2215/745H04M2215/8166H04M2215/82
    • A communications device such as a mobile telephone (1) responds to the input of a dialled number for a call destination (2) by generating and outputting a request message transmitted to a control centre (7) via a telecommunications system (3). The device receives a response message from the control centre containing routing data and credit data representing remaining credit within an account limit of the subscriber. An outgoing communications session is then initiated using the routing data which may for example enable a dialled telephone number to be modified to achieve optimum routing to the call destination via one or more preferred networks. The device also includes a credit control application (83) for limiting the duration of the communication in accordance with the credit data. Mobile telephones may thereby be used with a prepayment subscription account even during roaming operation in which the mobile telephone registers with a network other than the subscriber's home network.
    • 诸如移动电话(1)的通信设备通过经由电信系统(3)生成并输出发送到控制中心(7)的请求消息来响应呼叫目的地(2)的拨号号码的输入。 设备从控制中心接收到包含路由数据的响应消息和表示用户帐号限制内的剩余信用的信用数据。 然后使用路由数据启动出站通信会话,路由数据例如可以修改拨号的电话号码,以通过一个或多个优选网络实现到呼叫目的地的最佳路由。 该设备还包括用于根据信用数据限制通信的持续时间的信用控制应用(83)。 因此即使在漫游操作期间移动电话也可以与预付费订阅帐户一起使用,其中移动电话向用户的家庭网络之外的网络注册。