3 Jan
2023
3 Jan
'23
2:44 a.m.
Hello,
the replies are generated by the process where sl_send_reply()/t_reply()
is used, can be another process than the one that received the request
(e.g., async processing). Also, for tcp/tls, a matter of connection
availability, the content of the reply can be put in a queue for sending
out.
Note that even by design the udp sip worker processes are receiving
traffic on a specific socket, they can send on any other socket kamailio
is listening on, including tcp/tls. So, if kamailio listens on two udp
sockets, a worker receiving traffic on first socket can send out
directly on second socket.
Cheers,
Daniel
On 02.01.23 22:42, Alex Balashov wrote:
Hi,
Happy New Year!
From what I understand, replies are always sent back out of the listener on which they
were received, though `reply_to_via` (off by default) can override this and cause the exit
listener to be recalculated based on a real-time assessment of the best way to reach the
last Via hop.
Two questions arise:
1) If turning `mhomed` off, can `$fs` be used to override the exit interface of locally
generated replies, too? If so, where should it be done? In a request_route prior to a
send_reply() / sl_send_reply() / t_reply() call?
Or should it be done inside a local reply route or onsend_route?
2) Does this differ for locally generated replies vs. relayed replies, either statefully
or statelessly?
Thanks!
-- Alex
--
Alex Balashov | Principal | Evariste Systems LLC
Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
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