1) you should be able to find out with the audit logs, time constrain from below also applies.
2) app logs and traces will have this info, but there's not going to be a "this is the 1st time this phone registers" message. They'll look exactly the same as if it was the 100th time it registers. Also, since this logs are nor permanently kept in CUCM, it all depends on how much info is stored whether you'll be able to find this for all phones or not.
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...
[toc:faq]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 discusse...