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404 scenerio


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Are these numbers assigned to the extensions as DID & ANI? If so, it should be like any other extension to extension call.

Can you please send the PBX log?

yea I can send a log. its a little hard to explain.



let say extension 100 has DID 8012345678 assigned to it

and extension 101 has DID 8012345600 assigned to it


Now a third PBX who spoofs their ANI (CompanyB) makes outbound calls for this companyA (via PSTN) uses 8012345600 as their ANI. This companyB can not call any DID whatsoever (to CompanyA) because their ANI matches a DID in the main companyA.


This is extremely rare i know. But to me if companyB ANI matches inbound DID to companyA why would you 404 the call?

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