[OpenSIPS-Users] How to overcome SIP ALG on Wi-Fi routers

[Nabeel]

In that case, the answer to your question seems to be that the UDP packets
did not reach the OpenSIPS server, because nothing was added to the
OpenSIPS logs using debug level 4. All of this seems to point to the cause
being UDP packet fragmentation. Is this correct?
On 17 May 2016 4:24 pm, "Bogdan-Andrei Iancu" <bogdan at opensips.org> wrote:

> The TCP/IP stack of your server may decide to drop an UDP packet if it
> cannot re-assemble it correctly (like not all the IP fragments were
> received).
> In such a case, you see the IP packets (carrying the fragments) on network
> level, but they are never delivered at application level.
>
> Regards,
>
> Bogdan-Andrei Iancu
> OpenSIPS Founder and Developerhttp://www.opensips-solutions.com
>
> On 17.05.2016 16:05, Nabeel wrote:
>
> The next question - is this INVITE reaching your opensips script ? to be
>> sure that the OS delivers the UDP packet to the opensips application.
>
>
> I don't have any firewall on my server. Why would the UDP packet get
> blocked between entering the server and reaching opensips script? The
> opensips server is running without errors. Other calls work fine.
>
>
>
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