rtp protogelRTPRTCP applications use UDP port numbers in the unprivileged range from 1024 to 65535. All RTP sent to an even numbered UDP port, 2p where as all RTCP sent to UDP port 2p+1. RTCPThis protocol, RTP, was developed in the IETF and is in widespread use. The RTP standard actually defines a pair of protocols, RTP and the Real-time Transport Control Protocol (RTCP).