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Calls dropping at the 32 seconds mark usually mean only one thing. After the call is established the ACK message is not received which causes the call to drop after 32 seconds.
You will need to run a packet capture on a device and the PBX and see capture a call. Then check the captures and look for ACK messages. You should see one side sending 200 OK messages for 32 seconds without getting a reply and then dropping the call.
If that is the issue then you need to see which side is not sending the ACK message and look for the cause.
You will need to run a packet capture on a device and the PBX and see capture a call. Then check the captures and look for ACK messages. You should see one side sending 200 OK messages for 32 seconds without getting a reply and then dropping the call.
If that is the issue then you need to see which side is not sending the ACK message and look for the cause.
