[Serusers] fr_inv_timer

[Richard]

Hi,

Can someone tell me what triggers to cancel the fr_inv_timer for INVITE? Is
it 200 OK or ACK?

I have a cpl with "force_stateful" doing ring both. So a call is parallel
fork into two branches. When one phone is pickup, 200 OK and ACK are
correctly delivered. The unused branch is also CANCEL-ed correctly. The
problem is that somehow ser didn't stop the transaction timer for INVITE.
After "fr_inv_timer" is timeout, ser sends a "487 Request Cancelled" to the
original caller and forces a disconnect.

Thanks,
Richard

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