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    • 4. 发明授权
    • Media gateway and automatic telephone call redirecting service system
    • 媒体网关和自动电话呼叫重定向服务系统
    • US07583659B2
    • 2009-09-01
    • US10901500
    • 2004-07-27
    • Satoshi MatsuhashiToshiyuki Matsuda
    • Satoshi MatsuhashiToshiyuki Matsuda
    • H04L12/66
    • H04M3/54H04M7/1225
    • A media gateway built in an exchange comprises a media gateway control unit connected to a control unit of the exchange, a first protocol processing unit for executing a call connection procedure according to a first call control protocol with an IP call connection controller on the IP network, and a second protocol processing unit for executing a call connection procedure according to a second call control protocol with the IP call connection controller. The media gateway control unit instructs the first protocol processing unit to start call connection processing in response to a call connection command from a PSTN telephone, aborts the call connection processing of the first protocol processing unit when receiving a connection protocol change command from the IP call connection controller before completing the call connection according to the first protocol, and instructs the second protocol processing unit to execute call connection processing.
    • 内置在交换机中的媒体网关包括连接到交换机的控制单元的媒体网关控制单元,第一协议处理单元,用于根据第一呼叫控制协议在IP网络上用IP呼叫连接控制器执行呼叫连接过程 以及第二协议处理单元,用于根据与IP呼叫连接控制器的第二呼叫控制协议一起执行呼叫连接过程。 媒体网关控制单元指示第一协议处理单元响应于来自PSTN电话的呼叫连接命令开始呼叫连接处理,当从IP呼叫接收到连接协议改变命令时中止第一协议处理单元的呼叫连接处理 在根据第一协议完成呼叫连接之前,连接控制器,并且指示第二协议处理单元执行呼叫连接处理。
    • 5. 发明申请
    • Media gateway and automatic telephone call redirecting service system
    • 媒体网关和自动电话呼叫重定向服务系统
    • US20050141528A1
    • 2005-06-30
    • US10901500
    • 2004-07-27
    • Satoshi MatsuhashiToshiyuki Matsuda
    • Satoshi MatsuhashiToshiyuki Matsuda
    • H04L12/66H04M3/00H04M3/54H04M7/00H04M11/00H04L12/28
    • H04M3/54H04M7/1225
    • A media gateway built in an exchange comprises a media gateway control unit connected to a control unit of the exchange, a first protocol processing unit for executing a call connection procedure according to a first call control protocol with an IP call connection controller on the IP network, and a second protocol processing unit for executing a call connection procedure according to a second call control protocol with the IP call connection controller. The media gateway control unit instructs the first protocol processing unit to start call connection processing in response to a call connection command from a PSTN telephone, aborts the call connection processing of the first protocol processing unit when receiving a connection protocol change command from the IP call connection controller before completing the call connection according to the first protocol, and instructs the second protocol processing unit to execute call connection processing.
    • 内置在交换机中的媒体网关包括连接到交换机的控制单元的媒体网关控制单元,第一协议处理单元,用于根据第一呼叫控制协议在IP网络上用IP呼叫连接控制器执行呼叫连接过程 以及第二协议处理单元,用于根据与IP呼叫连接控制器的第二呼叫控制协议一起执行呼叫连接过程。 媒体网关控制单元指示第一协议处理单元响应于来自PSTN电话的呼叫连接命令开始呼叫连接处理,当从IP呼叫接收到连接协议改变命令时中止第一协议处理单元的呼叫连接处理 在根据第一协议完成呼叫连接之前,连接控制器,并且指示第二协议处理单元执行呼叫连接处理。