WARNING,"Rejecting unknown SIP connection from

I’m sure I’m just missing something stupid but can’t see where. Setup an ATA for a fax line and have an analog phone setup on it for testing. Inbound calls work fine, either from another extension or form outside.

But when I try to make a call, to either another extension or outside line I get nothing but dead air. In the sip logs I see WARNING,“Rejecting unknown SIP connection from XXX.XXX.XXX.XXX”

The ata is registered so not sure why it 's an unknown SIP connection.

This is a PJSIP extension.

Any ideas???

Figured it out, had to put the extension number in the “from user” field on the ATA’s settings.

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