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

[Steve]

On Sunday 11 January 2004 10:57 pm, Chandra wrote:
> 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.

Ah, that's sounds like a network problem. Look at:
http://www.voip-info.org/wiki-Asterisk+phone+grandstream+budgetone
and see if that solves it.

My OpenBSD configuration is not going to help you unless you have OpenBSD.

> 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
> >
> > __________________________________________________
> > You actually need to constantly be alert
> >  and willing to handle things, or life
> >    will find a way to get you good!
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-- 
Steve

__________________________________________________
You actually need to constantly be alert 
 and willing to handle things, or life 
   will find a way to get you good!