[SR-Users] Expire timeout for notify message answer

[Henning Westerholt]

Hello,

you can configure the „fr_timer” with tm parameters/functions. Are you setting this already in your cfg?

Cheers,

Henning



--
Henning Westerholt – https://skalatan.de/blog/
Kamailio services – https://gilawa.com<https://gilawa.com/>

From: sr-users <sr-users-bounces at lists.kamailio.org> On Behalf Of Victor Litvinov
Sent: Monday, November 9, 2020 1:09 PM
To: sr-users at lists.kamailio.org
Subject: [SR-Users] Expire timeout for notify message answer

Hello dear community.

We use a presence module with the enabled option "timeout_rm_subs". And we face issues that subscriptions remove too early. We expect that it will be removed after the fr_timer, but it is removed after 1 second.

We I can see in log (i'm add additional logs):
when we send NOTIFY:
tm [timer.c:491]: retr_buf_handler(): timer retr_buf_handler @1436309038 (timer_ln 0x7f4708f45bd0 -> rbuf 0x7f4708f45bb0 -> [0x7f4708f458a0 <-> 11592:145228
527])
tm [timer.c:492]: retr_buf_handler(): fr_expire 1436309054  T1 4000  T2 4000 fr_timeout 80
tm [timer.c:536]: retr_buf_handler(): new interval 4000 ms / 64 ticks (max 4000 ms)

when timer expire:
tm [timer.c:491]: retr_buf_handler(): timer retr_buf_handler @1436309054 (timer_ln 0x7f4708f45bd0 -> rbuf 0x7f4708f45bb0 -> [0x7f4708f458a0 <-> 11592:145228
527])
tm [timer.c:492]: retr_buf_handler(): fr_expire 1436309054  T1 4000  T2 4000 fr_timeout 80
tm [timer.c:367]: final_response_handler(): transaction [0x7f4708f458a0 <-> 11592:145228527] scheduled for deletion
tm [timer.c:424]: final_response_handler(): stop retr. and send CANCEL (0x7f4708f458a0)

and then subscription remove.

As we can see the fr_expire variable was set to ticks+16 ( 1 second). And another strange thing that T1 and T2 timers are the same.
So the question is if this behaviour is correct, how can we configure the presence module fr_timer as an expiration value for the answer to notify? And can we use it without retransmissions?
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