A similar trace on the front end shows it is sending and receiving the SRTP packets to and from the VVX. Candidates offered during the SIP negotiation messages match this observation.Ī remote PCAP on the VVX handset shows media is flowing between the front end mediation server and the VVX handset in both directions. Lync SIP logs show the external leg between the gateway & mediation server, and then the internal mediation server and the VVX handset.
I thought perhaps media was being directed somewhere other than the front end, but media bypass is disabled on the trunk. I would normally assume something amiss on the front end, and of course that’s where I started my digging, but everything appears to be ok. Audio from the VVX does not appear to reach the gateway. The VVX can hear the external party, but the external party cannot hear audio from the VVX.
Polycom's helpful twitterfolk suggested you might be able to push me in the right direction with this odd audio issue.