There are a few whitepapers around, some on CCO others I picked up through Cisco people. They were all interesting but none of them definitively helpfull.
This is partly because the ROI is different for every customer/company. I have spoken to some who justified IPT on the back of a napkin, and others who analysed it to the nth degree before going ahead.
I have started trying to do my own, and Cisco have an ROI tools but I believe it is inhouse use only.
I will give you one tip, check out how much it costs to move a phone. Use all the elements you can think of - labour, wiring, admin etc. Ask how many phones get moved a year, and multiply one by the other.
IPT has the potential to save you almost all of the cost of a phone move, big companies move crazy numbers of people around every year. It is a good starting point for the ROI.
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...