One of the most common things that people miss is the need for a new "Software feature License" when going from 6.x to 7.x. If this is not loaded after the upgrade, the CCM service will not start. If you give us your exact From/To versions we may be able to fill in a few more blanks here :) These documents/Links below are sometimes over-looked but conatin significant UC upgrade Paths/strategies/recommendations. There is alot of info to weed through but will certainly save you from any potential "gotchas".
System Installation and Upgrade Manual for IP Telephony Enterprise and Midmarket
You have reached the Cisco Logistics Support Center.. To Check Status of
your RMA, visit Product Returns & Replacements (RMA). Need help? Contact
us by Phone or Email. North Americas Phone: 1800 553 2447 Option 4
Email: firstname.lastname@example.org Europe Phone: +3...
The short answer is that you don't.... That isn't entirely true while at
the same time it kind of is, but for the most part you don't configure
the softkeys. You enable or disable them via TCL. Here is the long
answer. Be sure to read the whole thing or e...
Topology: IP Phone > Switches > Microsoft NPS setup to forward 802.1x
proxy to > ISE 2.1 patch 3 Authentication: EAP-TLS using Cisco MIC SANs
Phone Models 802.1X support? 802.1x flavor Addtl Comment EAP-MD5 EAP-TLS
Cisco 3905 Y Y N Cisco 6911 Y Y N Cisco ...