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发明授权
CN101267665B HLR融合方式下TDCDMA到其它网络间基本切换的方法 失效 - 权利终止

HLR融合方式下TDCDMA到其它网络间基本切换的方法
摘要：
一种HLR融合方式下TDCDMA到其它网络间基本切换的方法，TDCDMA与另一网络A的双模双待机终端建立TDCDMA网呼叫，RNC判断该终端需要切换到网络A，发消息通知TDMSC切换且标识其为到网络A的切换；TDMSC向HLR查询得到终端在网络A的漫游号码；TDMSC使用网络A的漫游号码为被叫号码，发起到网络A的呼叫，并标识其为到网络A切换所发起的呼叫；终端识别该呼叫为到网络A切换所发起的呼叫，和网络A间呼叫建立后，将内部信道从TDCDMA呼叫切换到网络A呼叫上；网络A向所述TDMSC返回呼叫应答，该TDMSC接续网络A呼叫部分和所述终端原来所在呼叫的对端，终端在网络A继续当前呼叫。本发明使得终端在TDCDMA网络信号衰减的情况下，可以切换到其它网络继续当前的呼叫。
摘要（英）：

Provided is a method for basic switching between TDCDMA and other networks under an HLR fusing manner, in which a TDCDMA network call is create between the TDCDMA and a double-module double-standby terminal of another network A, an RNC judges whether the terminal needs to switch to the network A, sends a message to notify the TDMSC of switching, and marks the switching as a switching to the network A; the TDMSC inquires from the HLR to obtain a roaming number of the terminal in the network A; the TDMSC uses the roaming number as a called number to initiate a call to the network A and marks the call as a call for switching to the network A; an internal channel is switched from the TDCDMA call to the network A call after the terminal recognizes that the call is initiated for switching to the network A and creates a call with the network A; the network A returns a call response to the TDMSC, the TDMSC holds a port of the original call of a network calling portion and the terminal, thereby the terminal continues the current call in the network A. With the invention, the terminal can be switched to other networks to continue the current call in a case that the TDCDMA network signals are attenuated.

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