[Serusers] STUN server

[Jan Pedro Tumusok]

Andres wrote:
> 
>> It is worse than that. The STUN taxonomy is brittle, there are NATs
>> which feature different behaviour than anticipated in RFC3489.
>>
>>  
>>
> Right.  There is one we like to call the crap-nat.  This nat changes the 
> source UDP port every few seconds.  So once the media flow is 
> established it only works for 2-3 seconds until the nat switches to 
> another source port.  Needles to say there is absolutely no way to make 
> VoIP work unders these conditions.  We encounter one of these every few 
> weeks, and the only solution is to have the customer change the NAT 
> device he is using.  (these are usually ADSL modems with inbuilt router)
> 

Wouldnt it be a good idea to document such things, ie create a 
repository about what NAT devices actually work.

Just an easy list of

Vendor, Modell, NAT type, Work [yes|no], Any special step needed to get 
it to work etc.

I wouldnt mind help administering it, if it maybe could be hosted on 
onsip.org or similar sites.

Pedro