[OpenSIPS-Users] dialog behavior when no ACK is received

[Saint Michael]

The greatest question I've read so dar.

On Sun, Oct 30, 2022 at 10:48 AM M S <medeanwz at gmail.com> wrote:
>
> Hi list,
> When a dialog is created with initial INVITE, it seems like it is not available to dlg_end_dlg until the call is answered (OK received) and the caller also acknowledges (ACK) to the OK message.
> So in a scenario where a caller sends an INVITE and then dies, the call goes to callee, gets answered, OK is sent to caller but there is no response, and the dialog stays open until default_timeout and that's when the CDR is generated (if default_timeout is 12 hours then a 12 hour call is in CDR).
> Anybody has any ideas how we can fix this? If I use PpB for dialog, it never PINGs the callee because apparently the dialog is not fully established on the callee side. If I use rtpengine to detect media timeout, it correctly detects it but when it calls dlg_end_dlg opensips says "dialog not found".
>
> Thank you!
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