You mean like this, right?
if (is_method("REGISTER"))
{
if ( 0 ) setflag(TCP_PERSISTENT);
setbflag(SIP_PING_FLAG);
if (!save("location"))
sl_reply_error();
exit;
}
On 7 August 2015 at 17:52, Bogdan-Andrei Iancu <[email protected]> wrote:
> Hi Nabeel,
>
> Bogdan-Andrei Iancu
> OpenSIPS Founder and Developerhttp://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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