RtpSession API — The RtpSession object provides control on a RTP session as defined in RFC 1889.
RTP payloads and profiles — This section describes the way that the oRTP stack manages RTP profiles and payload types.
Multiplexing sessions (in a one thread design) — The SessionSet API allows applications to make I/O on mutilple rtp sessions
without making blocking I/O, but keeping the main process synchronised.