yes, you can get UM or VM licensing for 3.1(x) (and will continue to be able to do so in 4.0 and probably beyond).
No, you do not need to get a CAL for voice mail only mailboxes, phone access to the message store comes bundled with your Unity licensing. If you decide you want to allow those folks to get desktop access to their messages you will need to get an Outlook CAL for that from Microsoft.
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 ...
This document describe how DST changes and how time changes are
implemented in DST. Daylight Saving Time (DST) is the practice of
setting the clocks forward 1 hour from standard time during the summer
months, and back again in the fall, in order to make b...