Retell AI : How to Detect Incomplete Calls?

Hey Team,

I am getting many calls where it the call is ended abruptly in less than 20 seconds, the reason shows user_hangup. The twilio SIP trunk status code is 200 which means Ok from their end.

I doubt that so many users are hanging up but I don't have any way to confirm it. Is there any other logging to dig deeper.

Also, I want to have a post analysis field to detect such calls and forward the caller no to admin for making a manual call. Does post call analysis take call transcript as input or anything else as well internally ?

I want to put the rule as WHEN transcript DOES NOT CONTAIN any("thank you", "bye", "goodbye") AND disconnection_reason == "user_hangup" AND duration_ms < 30_000 THEN score = 1

Anyone has a better solution to it?

Retell AI : How to Detect Incomplete Calls?

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