[OpenSIPS-Users] 408 Request Timeout with UDP

[Bogdan-Andrei Iancu]

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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