UDP发包校验和的计算源码 一个很有用的。程序中单独发生udp报文，可以通过wireshark trace下来。-UDP contract checksum calculation a useful source. Program alone udp packet by wireshark trace down.

sip协议的Wireshark抓包数据，仅供参考-sip protocol Wireshark capture data for reference purposes only

网络通信抓包工具 wireshark 网络通信编程必备工具-Wireshark network traffic capture tool indispensable tool for network communications programming