The obvious solution is to put in a couple of servers to be the Domain Controller/DNS servers and maintain a dedicated Domain for ICM, with no trust relationships to the corporate Domain. The Cisco Domain requirements are just for ICM to work, and the AD guys should have no interest in it (ha!).
Since there appear to be arbitrary rules over how OUs will be organized, there will probably also be arbitrary rules that won't allow other Active Directory setups outside those controlled/mandated by the current rules. But this AD is totally separate from the Corporate AD and if you can convince them of this, it may fly.
I'm not able to access my old voice mail messages all of a sudden. The recording says something like 'the message is currently not available'. This has never happened before in all the years I have been using this system. I have t...