My customer is interested in blocking the RTP traffic sourced from any VoIP application. Any idea, how to identify the ports used by RTP.
I understand that when a router receives a (voice over) IP packet from its peer, it can identify a UDP datagram by looking at the protocol field of the IP packet. What I dont understand is that how the receiving router will identify (by looking at the UDP port numbers) that the receiving UDP datagram actually consists of RTP traffic.
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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 ...