一次过建立一个能同时支持视频，语音和分享自己电脑屏幕的12人聊天室，在平常看起来，这可能需要同时使用十多款软件，甚至，要进行点对点的繁复设置。
Setting up a live video, audio, and screen-sharing chatroom for up to 12 people at once seems like something that might require a dozen software installations and point-by-point walkthroughs.
SIP终端软件实现了语音聊天功能，具有良好的性能。
The SIP terminal software realizes the voice chat function and has good performance.
SIP终端软件实现了语音聊天功能，具有良好的性能。
The SIP terminal software realizes the voice chat function and has good performance.
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