I am encountering an issue where one of my branch offices are experiencing one way audio when communicating with another branch office. This office can dial headquaters 4 digit and have 2 way but one way when 4 digit dialing to another site. Any ideas?
Set up a test call on using a softphone (IP communicator, generic SIP clinetr or Jabber) call and run wireshark. Check if both ends are sending RTP to each other. Most likely network related. (as state by jose)
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The Jabber Wireshark may not be the best way to diagnose the problem as it would be using the PC IP which I guess would be okay. I would guess Jose is correct, as we see a lot when people are setting up S2S VPNs, they forget to include the subnets that the IP phones reside it.
If you have 796X phones, you can connect a call and double tap the question mark button on the phone to see sent and received packet stats to see if you are receiving the packets. For 69XX phones, you can browse to the webpage of the phone and look at the Stream for the call stats:
You need to manually refresh this page, and you should see the call stats increase. If you see they are not increasing on one end (Eg, Phone A sender packets are increasing, but Phone B reciever packets are not), you know you have an issue that packets from Phone A are not making it across the VPN.
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 ...
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