Twilio Keeps Using a Ghost TwiML App Instead of My TwiML Bin

Hey everyone, I’m stuck on something strange and hoping someone has seen this before.

I switched my number’s inbound handler to a simple TwiML Bin to dial Retell’s SIP server. The number is definitely set to:

Configure with: TwiML Bin

A call comes in: Retel SIP dial (my TwiML Bin)

Primary handler fails: Retel SIP dial

No webhook

No Studio Flow

No Functions

No Proxy

No TwiML Apps (confirmed the TwiML Apps page is completely empty)

The problem: Twilio still routes every call to a TwiML App URL that doesn’t exist anymore.

In the call logs I see Twilio POSTing to this old handler:

But this TwiML App is NOT in my account and isn’t assigned anywhere.

Every inbound call hits this ghost URL, then the SIP leg instantly returns “Busy”, and the call ends immediately.

I’ve tried reselecting the Bin, saving again, switching to webhook and back, recreating the Bin—nothing changes.

Where is Twilio pulling this old TwiML App from, and how do I force it to actually use the TwiML Bin that’s selected?

Thanks!

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