[Asterisk-Users] how to add stun functionality in asterisk

[Administrator TOOTAI]

Olle E Johansson a écrit :

>
> 21 feb 2006 kl. 21.00 skrev Chris Bagnall:
>
>>> What's the benefit of using stund vs nat=yes in your sip.conf
>>> for that device?  I haven't had any issues behind firewalls
>>> when I enable that option, and no ports are needed to be opened.
>>
>>
>> For some strange reason, even with nat=yes sometimes when a user's IP
>> changes, the phone doesn't realise it and sends another SIP refresh.
>> Asterisk promptly ignores it since there's no registration from  that 
>> IP.
>>
>> With stun, the phone realises it's IP has changed and sends an  
>> invite to
>> asterisk rather than a refresh.
>>
>> I could be wrong, but using stun seems to have improved the nat- related
>> issues some of our customers have had with their home-based phones  
>> no end.
>>
> Having a STUN client embedded in Asterisk makes a lot of sense.
>
> I've been trying to find anything we can use with a good license, or  
> just a
> good Linux command-line client. Could not compile most of them on my  
> systems...
>
> Anyone with any ideas?
>
> If there's no compatible libraries, we could possibly provide hooks  
> for external programs.

Ekiga uses OPAL
-- 
Daniel