Siproxd is a proxy/masquerading daemon for the SIP protocol. It handles registrations of SIP clients on a private IP network and performs rewriting of the SIP message bodies to make SIP connections work via an masquerading firewall (NAT). It

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