Probably simple answer, but trying to locate the doc on CCO is next to impossible.
For full unified messaging where it sends the vmail to email with exchange and all the bells and whistles. Unity Connection 2.0 and what version exchange is needed? Currently it appears that only 2007 is available for Exchange, also how should it be licensed, std, or enterprise? We plan to partition the system so it will need to have multiple domains on it.