Why is FreePBX listening on 5060 for TCP but 9997 for UDP?

Try setting your tcpbindaddress to n.n.n.n:9997

where n.n.n.n is appropriate to your deployment, generally

tcpbindaddress=0.0.0.0:9997

will listen to any TCP SIP connections on port 9997 (but no longer on 5060 :wink: )

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