One of the biggest advantages is the cost savings of keeping calls off the PSTN as much as possible. Also, voice is now just another application on top of your network. No longer will you have to have two physical networks. The voice application can tie into calendars, directories, and any number of upcoming applications.
A con would be resilence. In a hospital it really is life and death. Not sure how resilient hospital networks normally are but if you put voice over the LAN you're going to have to make sure that even within each room or area there are no single points of failure.
How resilient is you're existing PBX would be a good starting point. As long as you can match or improve on that you should be fine.
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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 ...