IQmon

IQmon is a network packet sniffer for SIP RTP and RTCP VoIP protocols running on linux. IQmon is designed to analyze the quality of VoIP call based on network parameters – delay change and packet loss, according to the ITU-T G.107 E-model, which predicts the quality on the MOS scale. Calls containing all relevant statistics are recorded in a MySQL or ODBC database. Optionally, each call can be saved to pcap file with SIP protocol only or SIP / RTP / RTCP / T.38 / udptl protocols. IQmon can also decode the speech and play it via WEB GUI or save it to disk as WAV. Supported codecs are G.711 alaw / ulaw. IQmon can also convert T.38 FAX to PDF.

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