免费开放的SIP消息产生器，用于SIP并发测试，能以多种方式循环发送和接收SIP消息，并能根据事先配置的脚本自动统计、显示消息发送或是接收的情况。-Free and open source SIP generator for SIP concurrent testing cycle to a variety of ways to send and receive SIP messages and can be configured in accordance with the prior scr