[SIP Beyond VoIP] STUN keep-alive

[Luci Stanescu]

Hi Mihai,

On 16 Jan 2012, at 10:44, Mihai Richard wrote:
> Both clients are indeed behind the same NAT router, but problems appear only
> after one of them has a long period of inactivity(no messages sent to the
> server). If one client has a long period of inactivity, it cannot be
> contacted by other client but in turn it can contact clients that recently
> had activity.


If the server doesn't do anything to keep the NAT binding alive, you can lower the registration interval to something like 60 seconds. Of course, only if the server doesn't complain that the interval is too brief.

Kind Regards,

--
Luci Stanescu

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