[asterisk-users] Application Layer Gateway for SIP protocol

[Kristian Kielhofner]

On Fri, Dec 19, 2008 at 2:56 AM, Olfa Echi <olfaechi at yahoo.fr> wrote:
> Hello everybody,
>
> I want to know if Asterisk can provide any solution to perform NAT traversal
> for SIP protocol which means that it implements the functions of an ALG
> (Application Layer Gateway).
>
> Thanks.
>

Look at the SIP connection tracking module for iptables/netfilter:

http://www.calivia.com/iptables-sip-conntrack-nat


-- 
Kristian Kielhofner
http://blog.krisk.org
http://www.submityoursip.com
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