I have one question..
Did CCM 6.0 compatible (can be integrated) with IPCC enterprise.
Yes, version 7 with the latest SR can be integrated.
Hope this helps,
As stated above YES.
Please see the following link for the Cisco Unified Communications Matrix which describes all compatibilities of Cisco Unified technologies:
This is the link you really want - the Compatibility Matrix:
Unfortunately, this has not been updated since Feb 2008 but I believe it will be updated in the next week or so to add CVP 7.