All that info is in the DC Directory, so you'd have to make something to put entries into the DC Directory for all the users.

Use the Cisco IP Voice Media Streaming Application on a CallManager.Cisco IP Voice Media Streaming Application on a CallManager supports a maximum of 64 participants in Ad Hoc conferences, or 128 in a Meet Me conference.It only supports g.711, so you...

Is your FXO VIC an VIC-2FX0-M1? the standard VIC-2FXO did not support caller ID.-Nate

The 2500W ac power supply running at 100v is the same as a 1300w ps. Seems like getting the right power (220VAC) would be cheaper that another chassis.