Recent content by em97jch

  1. Both sides of conversation not heard - but both sides recorded.

    One side hearing silence, is what we are experiencing. Yes, calls experience the issue after being put on hold/unhold or transferred out of the queue. Additionally, in the pcap captured call we have it cutting out (and swapping over from PCMU to PCMA) right in the middle of the conversation...
  2. Both sides of conversation not heard - but both sides recorded.

    Thanks John I've just this hour got a full pcap of a call that cuts out - which is an achievement in itself! Audio was lost about 40 seconds from the end when the operator hung up. The RTP traffic seems uninterrupted all the way.........BUT up to 40 seconds from the end PCMU was used all the...
  3. Both sides of conversation not heard - but both sides recorded.

    Hi Chris, Getting a full packet trace of the problematic RTP is a needle in a haystack as there doesn't appear to any pattern as to when it will occur. The buffer gets full within seconds on a generic trace. Tracing 5060 gives some details - but does not isolate the RTP problem. The SIP...
  4. Both sides of conversation not heard - but both sides recorded.

    Thanks for the reply, ChrisC_3CX. The Polycom model is the VVX 400 - which I appreciate is EoL. Has been used for several years - although worth mentioning that the call load has increased recently (hence the increase in duration). The 3CX server is VPN'd to the network, so it's local...
  5. Both sides of conversation not heard - but both sides recorded.

    3CX Version: Professional Annual 18.0 (Build 461) Server OS: Debian Is the 3CX Server Hosted and where? Data Centre (VPN) IP Phone Make/Model/Firmware version Polycom 5.6.0.17325 Provisioning Method: VPN Trunk Provider: Voiceflex We are experiencing a strange inconsistent problem with a small...
  6. The SSL Certificate renewal failed

    Updating version 16.0.8.9 to 16.0.8.16 resolved this exact issue for us. Thank you.