[asterisk-dev] [asterisk-commits] oej: trunk r93160 - in /trunk: CHANGES configs/sip.conf.sample

[Sergey Okhapkin]

This problem is very important to me... Can somebody provide a list of NAT 
routers which can't keep connection tracking for more than 30-60 seconds? I'd 
be happy to create and maintain a page on http://www.voip-info.org/wiki/ with 
a list of trouble bringing routers. My current recommendation to my customers 
is to have registration interval in SIP client to be 120 seconds, but I'm 
very interesting in to have a list of ill behaving routers.

On Sunday 16 December 2007, Olle E Johansson wrote:
> 16 dec 2007 kl. 09.57 skrev Pavel Jezek:
> > shouldn't we have also qualifyfreq configurable?
> > default 'sip ping' frequency 60s isn't enough in many envrironments,
> > because udp nat translations on firewalls often timeouts quicker...
>
> Absolutely correct. The current recommendation is 29 seconds if you
> use it for NAT keepalives.
>
> I'll be happy to evaluate your patch in the bug tracker!
>
> /Olle
>
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