Communication Manager/Media Gateway configuration for RTCP monitoring
You must provision the RTCP Monitor IP address with the Core Avaya SBC internal signaling IP address on the System Parameter ip-options page.
In back-to-back Avaya SBC deployment, calls go through the remote Avaya SBC, DMZ Avaya SBC, and Core Avaya SBC.
Therefore, you must configure application relay RTCP monitoring in: