Hi,
I’m trying to setup FreePBX using Twilio for SIP trunking. Outgoing calls work but calls to the PBX fail with the following log message:
[2017-09-26 08:20:19] WARNING[6271][C-00000009] Ext. s: “Rejecting unknown SIP connection from 54.172.60.0”
Twilio has 4 originating IP addresses and I’ve created trunks for all of them. Incoming SIP settings for the trunk corresponding to the rejected IP address are:
host=54.172.60.0
type=user
context=from-trunk
I have also tried setting a username, nat yes or no, insecure=port,invite, etc, but none of this helped.
Advice on this would be much appreciated, I really have no idea why it’s not working. Thanks in advance.
Matthew Fleming