I think a great place to start would be to use this excellent Unity Tool;
Cisco Unity Tools - Subscriber Information Dump (this can create a .csv file that contains much information including the following)
Date of subscriber creation. The date the subscriber was added to the Unity system.
Time of Last Call. Indicates the date and time the user called in to check messages last. This can be handy for finding out which boxes have not been accessed at all or which ones have not been accessed in a long time. This value is in GMT and not your local time, keep that in mind.
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...