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RTCP Call Quality Monitoring

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Experts, please recommend me an opensource platform or any other good for the price that i could use to gather RTCP packets information in order to monitor voip call quality.

We do not proxy the calls (no RTP will be gather by the platform) in order to optimized bandwidth usage. We plan to do this installing the recommended platform in a standalone server and then configure a restricted SSH user into the media servers and capture the information by TCPDUMP permanent filter.

posted Jun 4, 2014 by anonymous

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1 Answer

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Make sure your media server supports RTCP/XR (RFC-3611 at http://tools.ietf.org/html/rfc3611). Those are the Extended Reporting packets that contain information like the number of packets, the number of lost packets and (see http://tools.ietf.org/html/draft-ietf-xrblock-rtcp-xr-qoe-17) the MOS score. Look at the Statistics Summary Report Block for jitter information, too.

You can also use Wireshark to see what is available from your media server. Please also check RFC-6792, http://tools.ietf.org/html/rfc6792.

answer Jun 6, 2014 by anonymous
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