I have my CUCME 7x running on a 2801 router, with an AIM-CUE daughtercard for voicemail. I have a 3560 switch with PoE, and you can use any phone that the system supports. In my lab I have a couple of 7931's, some 7961's, and 7942's. It works like a charm.
just spoke to someone saying an 1861 coz it has a builtin switchports of 8, fxs etc..but not so sure whether it will give me the equivalent experience by having the real lab like what you have suggested.
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.