[Asterisk-Users] OT: Multiple SIP phones behind NAT gateway?

[Tamas Levente]

For me an upnp gateway works just fine. I'm using a linux box with the upnp
lib and linux-igd installed.

----- Original Message -----
From: "WipeOut ." <wipeout at linuxmail.org>
To: <levi at televersions.com>
Sent: Wednesday, April 23, 2003 6:28 PM
Subject: [Asterisk-Users] OT: Multiple SIP phones behind NAT gateway?


> Hi,
>
> I know this is slightly off topic but I figured the knowlege here is
probably the best on the subject..
>
> I want to setup remote offices with 4 to 6 SIP phones (SNOM 200) using
ADSL and the internet to connect to the Asterisk box..
>
> These phone will be behind an ADSL router using NAT...
>
> I don't want to setup another Asterisk system in each office so IAX is not
an option..
>
> I could use static port mapping on the NAT gateway but I am not sure how
to do this for 6 phones.. I guess I would have to allocate a seperate port
to each.. Also this could have major security implications..
>
> I could use a STUN server but I have not found a free one yet..
>
> I could use an ADSL router with a built in SIP proxy/registrar but the
only one I have found is the Intertex IX66 and they seem quite expensive..
>
> Anyone got any ideas or thoughts?? or even better experiences..
>
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