广域网质量监控软件，VoIP Monitor 模块帮助您测定与跟踪最需要关注的广域网语音质量性能。-VoIPmonitor is open source network packet sniffer with commercial frontend for SIP SKINNY RTP and RTCP VoIP protocols running on linux. VoIPmonitor is designed to analyze quality of VoIP call based on network parameters- delay variation and packet loss according to ITU-T G.107 E-model which predicts quality on MOS scale. Calls with all relevant statistics are saved to MySQL or ODBC database. Optionally each call can be saved to pcap file with either only SIP/SKINNY protocol or SIP/RTP/RTCP/T.38/udptl protocols. VoIPmonitor can also decode audio.