Hi Ryan,
To answer your question on t_realy() and how it decides on the sending
interface - normally OpenSIPS tried to preserve the interface (outbound
<= inbound) if the protocol and routing allows it (if you do not
explicitly change proto or interface). If preserving is not possible
(incoming via UDP, but destination is TCP), it will use the first
listener matching the needed outgoing protocol.
Definitely the SIP FROM is not involved at all in this logic !!
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
OpenSIPS Summit 2018
http://www.opensips.org/events/Summit-2018Amsterdam
On 04/18/2018 03:59 PM, Esty, Ryan wrote:
Hi list,
I’m hoping someone can direct me to some documentation or help me out.
I’m trying to send an invite to something outside my domain.
Everything seems to work but no packets come back to opensips. I see
the packets on the wire coming to the machine but it looks like the
tcp port that was used to send stuff out isn’t there anymore. A
colleage found this gem in the log: “proto_tcp_send: Successfully
connected from interface 209.197.207.36:5060 to 209.197.207.36:5060”
thinking that maybe the tcp connection was opened by mistake with the
local side not set correctly.
My question is when t_relay is called how does it know the from
address? I printed out my from domain $fd and it is using my internal
domain, which works out to be a 192.168 address. The address listed
above is from a successfully DNS look up on the request URI domain and
it works out to be the above address.
Ryan
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