This discussion has been locked.
You can no longer post new replies to this discussion. If you have a question you can start a new discussion

Remote VoIP Connecting to PBX Behind XG

First let me say I have had our PBX and local VoIP phones running on the XG for 5 years with very little issues however I am really struggling with our other office and their remote phones. For the most part I have them working, but far from perfect. What I am experiencing is phones randomly dropping and then connecting back on their own, once again randomly. I have to be honest and I don't know why, when we moved from v.17 to v18 and the rules and NAT separated this has really screwed me. I use to read the logs and reference FW ID's, NAT IDs when troubleshooting but now those ID's do not make sense anymore, they don't reference correctly anymore so I am at a loss even trying to troubleshoot what a good VoIP connection looks like compared to one that has dropped. 

I don't know if its the port assignment, since we have 3 static external IP's and I use one as the alias for the VoIP setup but I really need help. I have been holding off asking for help because I am embarrassed I can't figure out the issue. I have watched every v18 NAT video, researched everything I can regarding remote phones but I don't know why I am struggling so much and I can't let it go cause I know there has to be something I am not doing correctly, because obviously the phones shouldn't be dropping then reconnecting randomly with no pattern. 



This thread was automatically locked due to age.
Parents
  • The firewall ids in the logviewer are from the right hand, the left hand list is the processing order. the Nat is the same,

    you might need to investigate linked nats .

    ian

    XG115W - v20 GA - Home

    XG on VM 8 - v20 GA

    If a post solves your question please use the 'Verify Answer' button.

Reply
  • The firewall ids in the logviewer are from the right hand, the left hand list is the processing order. the Nat is the same,

    you might need to investigate linked nats .

    ian

    XG115W - v20 GA - Home

    XG on VM 8 - v20 GA

    If a post solves your question please use the 'Verify Answer' button.

Children
  • Thanks Ian,

    What I did yesterday before leaving for the day was use the NAT assistant and built a new DNAT and SNAT to today looking at the logs, it appears the phones reconnected after creating these new NAT rules and disabling my original rule. This morning looking at the PBX logs none of the 4 phones dropped between yesterday and this morning. I won't consider this fixed until I see an actual working day or 2 go by with zero disconnects.  Will have a good idea by the end of the day today.

  • Please check the packet flow : 

    From GUI : 

    Go to MONITOR & ANALYZE-->Diagnostics-->Packet Capture Click on configure Enter BPF string host <Voice Server IP> and port <Port Number>

    From SSH : 

    console>tcpdump 'host <server IP> and port  <Port Number>

    console>tcpdump 'host <IP Phone IP> 

    console>dr 'host <server IP> 

    console>dr 'host <IP Phone IP> 

    Share the drops packet getting with destination ports 

    https://support.sophos.com/support/s/article/KB-000036858?language=en_US 

    Thanks and Regards

    "Sophos Partner: InfrassistTechnologies Pvt Ltd".

    If a post solves your question please use the 'Verify Answer' button.