It seems I was digging the wrong page. Documentation is pretty clear.
Thank you guys.
/Volkan
On 19 Oct 2017, at 20:22, Daniel-Constantin Mierla
<miconda(a)gmail.com> wrote:
On 19.10.17 17:41, Alex Balashov wrote:
On Thu, Oct 19, 2017 at 11:06:21AM +0300, Volkan
Oransoy wrote:
I wonder purpose of this block in default script.
What I didn’t understand is the purpose of "t_check_trans()”. Accoording to
documentation, this method returns a boolean. So why do we use it even we don’t check
output?
# handle retransmissions
if (!is_method("ACK")) {
if(t_precheck_trans()) {
t_check_trans();
exit;
}
t_check_trans();
}
Because t_check_trans() has certain behaviours simply in virtue of being
called:
https://kamailio.org/docs/modules/5.0.x/modules/tm.html#tm.f.t_check_trans
For example:
"For ACKs to negative replies or for ACKs to local transactions it will
terminate the script if the ACK belongs to a transaction"
Just to highlight, the other section in the docs is also relevant,
respectively stopping the config execution if it was a retransmission
after sending back the last response.
Cheers,
Daniel
--
Daniel-Constantin Mierla
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