I have a CCM system with 200 phones in five buildings. I have been looking into setting greater security for the VOIP system. All of our data/voice is seperated in to VLANs per building. What I would like to do is put ACLs on the CCM servers VLAN and phone VLANs basically isolating them. I know Cisco has documentation on this that is very much in-depth. Has anyone done this with success?
Thanks for your post! Everything there looks great. However, I do have one question. We also use Cisco UNITY (I should have mentioned this). Is everything included in that TCP/UDP port list to include UNITY system traffic? Thanks again.
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...