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Media high availability/re-anchoring using OpenSIPS 3.2

The new RTP Relay module in OpenSIPS 3.2 provides an easy interface to engage arbitrary RTP media proxies in a call, as well as an easy method of failing over in the middle of the call to a different node if the initial ones fails. This presentation shows how this can be achieve using OpenSIPS 3.2 and plain SIP, through a novel technique called media re-anchoring. The talk presents the new module as well as how and why we had to develop it.