What you describe is known as extension mobility on call manager :) So I'd consider thinking about using a full blown call manager instead.
Alternatively, why don't you write a webservice that's available on all phones, and that allows users to "log in" on any given phone. You'd then identify the user's current phone, connect to the CME, and reconfigure the phone the user currently owns, and the phone from which the user has launched the service, swapping their config so that the whole user config is brought over from the old to the new 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...