[pjsip] 408 after 30 seconds on answering a call

Dave spawnage at gmail.com
Fri May 9 07:46:54 EDT 2008


First of all, thank you for the quick response :)

Your answer made me think about my current setup, 2 computers on a
local network, one (the anwering machine) with 2 NICS on different
networks, and so i tried disabling the second NIC. This seems fix the
problem :)

Cheers,
Dave

On Fri, May 9, 2008 at 12:34 PM, Benny Prijono <bennylp at pjsip.org> wrote:
> On Fri, May 9, 2008 at 10:17 AM, Dave <spawnage at gmail.com> wrote:
>> Hi,
>>
>>  I've just started using pjsip and have build upon the simple_pjsua example.
>>  I've made a small gui application that can call and answer.
>>  However I've run into a weird problem.
>>  Whenever I answer an incoming call, everything seems to work
>>  correctly, but after around 30 seconds the call is disconnected on the
>>  answering side with a 408 code.
>>  I'm assuming this is because I am not doing a required action on the
>>  answering side, but I can't figure out what this might be.
>>
>
> The 30 seconds sounds related to transaction timeout, so my guess is
> the answerer puts an IP address in the Contact header of the 200/OK
> response, which is not reachable by the caller (it could be that the
> IP address is a loopback IP, or maybe a public IP resolved by STUN and
> your router doesn't do hairpinning). Maybe you can elaborate you
> config/log from here.
>
> Cheers
>  Benny
>
>
>>  This problem happens when using my application on both sides, calling
>>  and answering, but also when using an existing softphone like SJPhone.
>>
>>  Thanks in advance,
>>  Dave
>>
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>
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