Invention Grant
US07646764B2 IP network and communication method therein 有权
IP网络和通信方法

IP network and communication method therein
Abstract:
An IP network and a communication method therein. The IP network includes a first terminal adapted to make an outgoing call and a second terminal adapted to transmit information on a plurality of serviceable communication modes other than a communication mode of the call incoming from the first terminal depending upon whether the incoming call is connected.
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