VIVOTEK
66 - User's Manual
RTSP port /RTP port for video, audio/ RTCP port for video, audio
■ RTSP (Real-Time Streaming Protocol) controls the delivery of streaming media. By default, the port
number is set to 554.
■ The RTP (Real-time Transport Protocol) is used to deliver video and audio data to the clients. By
default, the RTP port for video is set to 5556 and the RTP port for audio is set to 5558.
■ The RTCP (Real-time Transport Control Protocol) allows the Network Camera to transmit the data by
monitoring the Internet traffic volume. By default, the RTCP port for video is set to 5557 and the RTCP
port for audio is set to 5559.
The ports can be changed to values between 1025 and 65535. The RTP port must be an even number
and the RTCP port is the RTP port number plus one, and thus is always an odd number. When the RTP
port changes, the RTCP port will change accordingly.
If the RTP ports are incorrectly assigned, the following warning message will be displayed: