We have a customer. They have a lot of videoconferencing systems and a few Cisco VCSes. We created two zones (for example Zone A and Zone B) in the VCSes. So we want to prevent a videoconferencing system in the Zone A to call the other systems in the Zone A. But they should be able to call the videoconferencing systems in the Zone B. The videoconferencing systems in the zone B should be able to call everyone. I tried a lot of thing but I couldn't make it possible. By the way none of the videoconferencing systems are authenticated systems.
Actually I can not use call policy feature on the VCS, because the endpoints are not authenticated users. I see that in order to specify source alias pattern on the call policy the users must be authenticated. It is very difficult for the customer. The customer has more than 4000 endpoints.
By the way, unfortunately, it is not possible to change the infrastructure like moving to CUCM or other VCSes.
So the VCS's are NOT defined as neighbor zones in each other? If they were, they should show up as a 'target' zone when defining a search rule. One being the 'local' zone and the other being a 'neighbor' zone.
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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
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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 ...