Awareness | Information about Q-SYS SIP RTP packet markers

This article provides helpful information on learning about Q-SYS SIP RTP packet markers.

Updated at May 31st, 2023

Information


Q-SYS SIP RTP voice packets are marked DSCP CS0, and is not something that can be changed in Q-SYS. 

To workaround this, you'll need to re-mark the Q-SYS SIP RTP voice packets at the switch port.

Below is an example configuration. This example classifies RTP traffic based on UDP or TCP ranges 16384 to 32768. The example is for Cisco IOS based switches, some switches may not support classification based on layer 4 port numbers.