sipsak是一个命令行工具，用于在Session Initiation Protocol (SIP)应用程序和设备上执行多种测试。它能做四种不同的测试，发送文件内容，并解释和作用于响应。-sipsak is orders the good tool, uses in (SIP) on the application procedure and the equipment carries out the many kinds of tests in Session Initiation Pr