Dropped Call After 900s: 481 Call/transaction Does Not Exist And Another Anomaly During Re-invite In Timer – Full Anonymized Trace Attached

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Derek Bolichowski wrote:

I know of this option – it doesn’t help, because the provider ignores it
(on some calls) and the call is dropped anyway.

Normally, there is no problem with the timers. And the problem which occurred here is not just the timer, but the session which seams to be lost on both sides. But why?

Thanks, Michael

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