Luckycharms wrote: CME is really used for smaller business applications. After playing with CCM you will learn a lot more of what exactly is going on in a bigger network deployment/management. Usually in a CME, you create dial-peers and attach phones, you really don't set up partitions and Call Search Spaces, or any of the other things that go along with. Granted you can create custom scripts that can be deployed to end users with CME, it is a lot more prevalent in a Call Manager deployment. I don't know, personally I don't recommend it unless its one of the following criteria, 1. LAB environment for testing 2. Remote site with no direct connection to a local Hub site. ( with a l 3. Single office installation with local users doing MAC's those are the only ones I can think of right now. But if some one has another opinion on CME's deployment on a bigger network please chime in... I would like to hear how others are deploying..