Hi Nabeel,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
On 07.08.2015 19:39, Nabeel wrote:
[........]
Bogdan,
Regarding UDP, I realised that the UDP port could not be in LISTEN
state and this was probably preventing my server from fully opening
that port. Running nmap on that port showed result "open|filtered",
unlike with TCP which showed fully open. I am not running any
firewalls on my server, so this seems to be the default behaviour of
my network.
A bidirectional traffic through the NAT will keep the NAT pinhole open,
while a unidirectional one may not. This is the advantage of the SIP
pinging versus simple UDP pinging.
I would like to clarify one thing. You mentioned adding
setbflag(SIP_PING_FLAG) before doing save(), but in my config file I
don't see save() anywhere, there is only this line: "if
(!save("location"))". Where exactly do I add this line?
exactly.
Regards,
Bogdan
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