[asterisk-users] asterisk and sip nat problems

[Nikolai Lusan]

On Thu, 2006-07-06 at 16:55 -0400, mike wrote:
> i'm having a strange issue with an asterisk box behind a firewall
> i'm trying to answer a sip call made to an asterisk box with a public ip
> from another asterisk box behind a firewall
> 
> on the natted box i've put
> 
> externip=195.110.XXX.XXX
> localnet=10.1.1.0/255.255.255.0
> 
> and on the phone context i've added
> nat=yes
> 
> 
> the call starts from the natted box, 
> the other phone rings
> on phone pickup, from the public asterisk the message is the following:
> Attempting native bridge of SIP/83.211.XX.XXX-0819b588 and SIP/1-f3d0
> after 3 seconds, the natted box prints the following:
> No one is available to answer at this time

My solutions to this was to use siproxd
(http://siproxd.sourceforge.net/) I run it on the gateway and it
masquerades the astersik box perfectly. I am running a SIP trunk and
making and receiving calls over it. Check that out, it probably makes
things a little cleaner.


-- 

Nikolai Lusan

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