Voice over IP Intercom Linux 环境下，带有回声消除模块，VC++开发。-The application can: dial an intercom partner via short-dial buttons transport your voice over IPv4 with RTP UDP unicast data packets make a telephone conference support wideband (16kH

主要是qt编程，其中有软键盘功能，有可视对讲的一部分功能-Mainly qt programming, with soft keyboard functions, a part of the visual intercom function