Rather than leveraging peer-to-peer connections as many voice chat services do, Lotus Sametime connect USES the Sametime VP protocol for callsignaling.
The main function of gateways is to connect IP network and traditional phone system, and provide multi-callsignaling exchanging and the conversion of voice formats.
IP电话网关主要功能为连接传统电话网与IP网络，完成多路呼叫的信令协议和语音格式的转换。
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We'll cover language for signaling that a call is about to end, and how to politely finish the call.