Rather than leveraging peer-to-peer connections as many voice chat services do, Lotus Sametime connect USES the Sametime VP protocol for call signaling.

很多语音聊天服务都使用点对点连接，而Lotus Sametime Connect则将Sametime VP协议用于所有呼叫信号。

youdao

Chat system, and peer-to-peer chat client, hope you have a role!

说明：聊天系统，实现客户端点对点的聊天，希望对你有作用呀。

youdao

His open-source encrypted peer-to-peer chat product went through rigorous challenges in the security community ultimately resulting in safer design choices.

FORBES: Pressure Increases On Silent Circle To Release Application Source Code