Invention Grant
US07873032B2 Call flow system and method use in VoIP telecommunication system 有权
VoIP电信系统中的呼叫流系统和方法使用

Call flow system and method use in VoIP telecommunication system
Abstract:
A method of establishing a communication link between a mobile terminal of a wireless network and a subscriber of a network, such as an enterprise network, and/or a residential network.
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