[Asterisk-Users] 2 Sip phones behind un-natted Asterisk

[Bruce Komito]

I am having exactly the same problem with two phnes connected to a Sipura
behind a Linksys.  I'm sure this is NAT, because it works fine when I move
the Sipura out from behind the Linksys.

Bruce Komito
High Sierra Networks, Inc.
www.servers-r-us.com
(775) 284-5800 ext 115


On Mon, 24 May 2004, Chad Brown wrote:

> I have 2 SIP phones (Cisco 7960 & XTen) behind a NAT provided by a
> Linksys firewall that supports UPnP.  The Asterisk server has a public
> IP. Here are the problems that I am having with this configuration...
>
>
>
> 1.	The 2 SIP phones can call MeetMe and have a conference but
> cannot call each other. (Yes, they connect but no audio either
> direction)
> 2.	I have verify=yes in the sip.conf for both phones. Both phones
> constantly go Unreachable. (However, the connection is very fast between
> * and sip phones)
> 3.	Sometimes but not always when I try to call phone1 phone2 rings.
>
>
>
> Is this Nat messing with me or something else? In any case...Any advice
> out there?
>
>
>
> Thanks,
>
> Chad
>
>