You are confusing Device Mobility feature with Forward on Unregistered features.
AAR does not work when WAN goes down, only if Location badwidth is exhausted.
Route Patterns with the same DN as phone DNs will not work either as when phone unregisters the CCM follows the "Forward on Unregistered" settings, so to accomplish what you want you need to set the "Forward on Unregistered" fields to point to the full DID.
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...