I am preparing to upgrade my voice environment from 4.x to 7.x and had some questions that hopefully others that have been there can answer.
1) In looking at the documentation, I do not see where CCM 4.1(3) will support IPCCX 7.x, nor do I see where IPCCX 4.0(4) will support CCM 7.x. Ideally, I would migrate IPCC first and do call manager at a later date. Based on this information, however, it does not appear to be possible.
2) This is a huge undertaking, as I am planning to migrate CCM, IPCC and unity. Is there a 'best practices" order this should go in. The only one that, at least on the surface, does not appear to be dependant on the other factors is Unity (which is actually on 5.0(2) right now. I do have a Unity 4.2(1) box (VMO) that is an island unto itself, but I am going to be migrating those users to the 5.0(2) UM box and decommissioning the VMO server.
I have not received a hard deadline in which to accomplish this, but it has been my desire, since i started, to migrate this environment away from 4.x. That being said, we cannot be more than 2 major versions behind, thus we would like to accomplish this before 8 comes out.
I also "took it on the chin" (so to speak) with a Unity UM 4.2(1) Dom to Unity 5.0(2) Exchange 2007 migration/upgrade, in that I did not verify that VPIM would work in exchange 07 (prior to upgrading). Given that, I don't want to be caught off gaurd by any little gotcha's that I have not id'ed and that are not mentioned, or covered well, in the upgrade guide for these products. Can anyone speak to the caveats of this process, and what other things I need to be aware of, or that I need to watch out for.