VOIP protocols:
- RTP - Real Time protocol.
- RTCP - Real Time control protocol.
Codecs (audio and video):
- SIP -the Session Initiation Protocol.
--Sip Requests and Sip Responses.
--The INVITE, REGISTER and Byerequests.
SIP clients and Sip Proxy servers:
- Open source sip clients:
--Ekiga, formerly GnomeMeeting.
--SipDroid (running under Android).
Open source sip server (kamailio and opensips, formerly SER).
Voip with Cellular devices (Android)
Note: this lecture does not require any previous background in VoIP.