12.4(6)XW would be required for the newer phones as it also allow you to configure display lighting timeouts.
Regarding phone FW, it's a bit of a gamble to get it right. Try with the latest available in any case. For user locale, you need to use 7941 files, renaming them to the names used by the 7945 (debug tftp events will show you which names are these).
I saw a CME 4.1 download which included phone loads for the new phones. I would probably suggest this might solve your problem - I will be trying it on one installation soon as I have ordered some of the same phone.
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...