If you assign a gateway / intercluster trunk, direct to a route pattern then you can't add it to a group, as you discovered. You must remove trunk / gateway from the route pattern config, add it to the route group, the group to the list, and then add the list back to the route pattern.
You can configure the groups and route lists before removing the gateway, that way you can point the route pattern at the list when you remove the gateway that way you have less outage whilst you redo the config.
SIP traces provide key information in troubleshooting SIP Trunks, SIP
endpoints and other SIP related issues. Even though these traces are in
clear text, these texts can be gibberish unless you understand fully
what they mean. This document attempts to br...
Please find the attached HTML document, download and open it on your PC.
This provides an easy to use form where you simply answer a few
questions and it will render the proper jabber-config.xml file for you
to copy/paste. There is built in logic to verif...
CUCM Database Replication is an area in which Cisco customers and
partners have asked for more in-depth training in being able to properly
assess a replication problem and potentially resolve an issue without
involving TAC. This document discusses the bas...