Hi all
I see this old thread from 2015.
-
https://kamailio.org/mailman3/hyperkitty/list/sr-users@lists.kamailio.org/thread/RR4WCFIP6KQQOFW42GYMDUME75IPLZEF/
It's about max_inv_lifetime not working properly.
I have this problem today: SIP-180 responses from downstream
apparently reset max_inv_lifetime, and the transaction can live for
hours (apparently indefinitely) even though max_inv_lifetime is set to
just over a minute.
By spacing the SIP-180 responses (from downstream) slightly longer
apart than than max_inv_lifetime in kamailio, I don't get the problem,
so it looks to me that this is TM not matching what's in the
documentation (which mentions that this should be a hard limit).
With this configuration, SIP-180 responses every minute result in the
transaction never ending (until the client CANCELs the call).
- kamailio.cfg:modparam("tm", "fr_timer", 3000)
- kamailio.cfg:modparam("tm", "fr_inv_timer", 300000)
- kamailio.cfg:modparam("tm", "max_inv_lifetime", 65000)
- kamailio.cfg:modparam("tm", "noisy_ctimer", 1)
That other thread ends with Daniel mentioning that he'd have to look
at the code, but nothing further.
Running "git log --grep max_inv_lifetime" shows me that the last/only
update that wasn't just documentation was in 2007.
Has anyone got an ideas?
James
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