You aren't going to be able to get a different ring tone.
I'm not sure how a call would be 'to a specific extension' if Unity is going to be transferring it to a shared line either. A shared line means that many phones have an instance of the same line. Can you clarify this for me?
The best that you can do is to change the Ring Setting for the line in CallManager. It allows you to set the line to Ring Once, Ring or Flash Only. Since it is done at the line level (not the phone level) the setting you choose will be consistent across all phones that share the line.
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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 ...