Without proper traces its not clear what could be wrong.
Do you have DID translation configured on SIP TG with AA?
Compare INVITES between normal DDI call and AA call line-by-line. Why "404 not found"?
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Well...ahqswitchroom4466 wrote: ↑01 Mar 2024 21:00 sip is owned (SIP-ABCF). Actually our organization have almost 40 other pbx.