SRTP support
Information about spec and implementations of the Secure RTP protocol is here:
- Official spec: http://rfc.net/rfc3711.html (done)
- Integration with SDP: http://rfc.net/rfc4568.html
- Multicast profile extension:
- http://rfc.net/rfc4383.html (too complicated)
- http://rfc.net/rfc4771.html (done, untested)