this a program Voip..it is a verry good program of Voip-this is a program Voip..it is a verry good program of Voip

JAVA_metting java 网上会议系统源代码，很值得参考 不能用于商业用途-JAVA_metting java source code online conference system, it is worth considering not be used for commercial purposes

SIP软电话,官方例子，经过测试，可用,可为IP电话开发作为为能考。(SIP soft phone, an official example, has been tested and available. It can be used as a test for IP phone development.)