Hi Federico,
OK, prefect :)
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
On 12/11/2012 03:32 PM, Federico Cabiddu wrote:
Thanks for your answer Bogdan. I tried your suggestion and, of course,
it works. I should have thought this before.
Best regards,
Federico Cabiddu
On Tue, Dec 11, 2012 at 1:08 PM, Bogdan-Andrei Iancu
<[email protected] <mailto:[email protected]>> wrote:
Hi Federico,
you can achieve the same by using the standard dialog timeout -
when the dialog is created, you set a dialog timeout to reflect
the timeout for ACK . When the ACK is received, you can set a new
dialog timeout to reflect the dialog lifetime (as established).
All these you can do from script, using the dialog_timeout avp.
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
On 12/10/2012 01:05 PM, Federico Cabiddu wrote:
Hi all,
recently I had the need to be able to terminate a call if the ACK
to the 200 OK of an INVITE was not received after a short time.
Since I was using the dialog module the natural place where to
implement such kind of timer seemed to be the dialog module. So I
added to the module two new parameters:
- default_ack_timeout (integer): default to 0
- ack_timeout_avp (string)
The behavior is the following:
- upon the reception of the 200 OK, if default_ack_timeout is > 0
or if the ack_timeout_avp is set, the timer is armed
- if the ACK message arrives before the timeout is reached, the
dialog lifetime is restored to the value set by default_timeout
or timeout_avp
- if the ACK message doesn't arrive before the timeout is
reached, the dialog is deleted (closed with BYE if the B flag was
used in the dialog creation)
I admit that this goes against rfc 3261, but for our current case
(in which we cannot wait for the retransmission timeout of the
callee) it works. If you think that it's a feature it's worth
having I can provide the patch I'm currently using.
Best regards,
Federico Cabiddu
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