[Asterisk-Users] Asterisk + BudgeTone (behind NAT)

[Chandra]

can u give me the configuration for the firewall??  with the same
configuration i can't even talk or hear... its giving me the RTP Read Error
whenever one picks up the phone.

cm

----- Original Message -----
From: "Steve" <steve at szmidt.org>
To: <asterisk-users at lists.digium.com>
Sent: Monday, January 12, 2004 6:09 AM
Subject: Re: [Asterisk-Users] Asterisk + BudgeTone (behind NAT)


> On Saturday 10 January 2004 06:07 pm, Owen Kelso wrote:
> > I'm using Asterisk on a open server (no firewall or NAT) and trying to
> > communicate with a Grandstream BudgeTone 102 SIP phone which is behind
> > NAT. The BudgeTone is at firmware level 1.0.4.30 and Asterisk is from
CVS
> > about a week ago.  My problem is that I'm only getting half-duplex
> > communication -- I can hear voice from the Asterisk server but the
server
> > does not understand any voice from me.  From the console "sip debug"
shows
> > that the SIP part is working fine and DTMF via SIP INFO works.
>
>
> I use OpenBSD firewalls with NAT and redirect and it works just as it's
> supposed to.
>
> That's not even half duplex. In half duplex each side Can talk, but only
one
> at a time. It seems to be an error with configuring your firewall. (One
> common error is to only turn on redirect. But you also need to Allow the
> traffic to flow...
>
> --
> Steve
>
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