libortp16 - 1:5.1.64-2 main

This library implements RFC 3550 (RTP) and offers an easy to
use API with high-level and low-level access. It is part of
Linphone.
.
The main features are support for multiple profiles (AV profile
RFC 3551 being the default one); an optional packet scheduler
for synchronizing RTP recv and send; blocking or non-blocking
IO for RTP sessions; multiplexed IO; some of RFC 4733 for
telephone events over RTP.