Not sure why you would do this.... but everyone has their reasons...
Probably not recommended at all. Unity needs to communicate with the Exchange server for not only MWI, but you also have AD Domain connectivity, SMTP delivery (drop, fetch) DNS resolutions, authentication, etc.
So quite a few ports you would have to open up, then cross your fingers it stays. If you lose connectivity with Exchange, your MWI will go out of sync and users will complain.
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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 ...