Exchange 2007 was not out or even available to test against in beta form back when UC 1.2 was available - it's not supported. MS changed the authentication stuff all around for access to the mailstore.
Unity Conneciton 2.0(1) does support Exchange 2007.
Was able to track down the logs on this and discovered the hangup. The Exchange is sending TLS to the UC, so if I can figure out either how to disable TLS on the Exchange side, or have the UC accept the cert, then it should work.
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The short answer is that you don't.... That isn't entirely true while at
the same time it kind of is, but for the most part you don't configure
the softkeys. You enable or disable them via TCL. Here is the long
answer. Be sure to read the whole thing or e...
Topology: IP Phone > Switches > Microsoft NPS setup to forward 802.1x
proxy to > ISE 2.1 patch 3 Authentication: EAP-TLS using Cisco MIC SANs
Phone Models 802.1X support? 802.1x flavor Addtl Comment EAP-MD5 EAP-TLS
Cisco 3905 Y Y N Cisco 6911 Y Y N Cisco ...