asterisk users - Mar 2006 - I have my asterisk machine behind a Linux, Nat ...

I would like to make a suggestion and recommend that you put your Asterisk box
on the outside and let it also pull duty as your firewall/nat router.  The
iptables overhead will be minimal on the system and you'll save yourself a
lot of headaches in the long run.
    The biggest problem being that having an asterisk server behind a nat, and
then also having sip phones trying to connect to said server across the
internet, which are most likely behind their own nats creates lots of issues. 
For instance you'll see that the phone registers with the server ok but
cannot make calls, or you'll have one-way voice issues, etc, etc.
    If you need some help getting it set up this way contact me off-list and
I'll give you a hand.  I've done it several times this way and its not
really that hard.

Regards,
Steve Cayona


Date: Sat, 18 Mar 2006 08:43:00 +0100
From: Anthony Azzopardi <tazzopardi@camline.net.mt>
Subject: [Asterisk-Users] I have my asterisk machine behind a Linux
	Nat ...
To: Asterisk Users Mailing List - Non-Commercial Discussion
	<asterisk-users@lists.digium.com>
Message-ID: <441BBA04.6080909@camline.net.mt>
Content-Type: text/plain; charset=us-ascii; format=flowed

Hello ppl,

I have my asterisk machine behind a Linux Nat router which is connected 
to the internet. Please tell me the iptables rules and other 
configurations that I need so that a sip phones on the internet can 
access asterisk.

Best regards,
Anthony.