cynjut
July 8, 2020, 3:16pm
2
Whenever I see “30 minutes” in a question, my mind always goes immediately to router/firewall configuration and session timer config.
If you look back through the forum and search for ‘30 minutes’, you will find a virton of questions and answers about the different causes and solutions for this. Here are three examples:
I am having issues where all calls inbound or out will timeout at 30 minutes almost on the button. I’m 99% sure this is not a FreePBX issue, it’s going to wind up somewhere in the firewall I’m sure. I run a UniFi USG, I’ve played with the UDP timeout settings (e.g. increasing UDP Other from 30 seconds to 300), and nothing seems to work. This is also a very time consuming problem to troubleshoot.
If anyone out there has this same setup, please help! I’ve attempted both topics below to no avail.
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Hi,
We have an issue whereby calls drop after 30 minutes (not all but most), I am now stuck with what to do. When a call is active and it hits 30 minutes, the remote end drops but the handset connected to my FreePBX still thinks the call is active. After a further 30 seconds the internal handset drops the call due to lack of RTP. When carrying out a packet capture I can see that the SIP provider sends an INVITE request at 30 minutes call duration (I am presuming this is a re-invite) and then th…
I have a problem on freepbx where calls drop at exactly 30 minutes. We have exhausted options with the carrier.
First off we have a PBX behind a Cisco ASA firewall. I believe we are using Sip Inspection. At 30 minutes we are seeing an invite request which seems to be coming from our PBX to the carrier- and the carrier is saying it is a malformed packet, and they get a parse failure due to extra characters. That is what the wireshark tells us.
I tried to turn off session timers on the trunk …