[Asterisk-Users] No audio when calling between internal phones

[Gareth Blades]

Both phones are on our internal network so not a NAT issue.

However your email did prompt me to check iptables as I have rebooted
the machine since it last worked. Dropping the firewall has fixed the
fault so it looks like I will need to have a look at the ruleset.

Thanks

On Wed, 2005-08-10 at 15:08, Tom Hayden wrote:
> Then perhaps you have a NAT problem or some other issue.
> 
> --
> Tom
> 
> On 8/10/05, Gareth Blades <list-asterisk at linguaphone.co.uk> wrote:
> > I did try installing the 1.0.9 version but I have the same problem with
> > that release aswell.
> > 
> > On Wed, 2005-08-10 at 14:14, Tom Hayden wrote:
> > > I encountered a similar problem with CVS-HEAD and sip2sip calls
> > > between our Polycom IP500s.  I attempted to diagnose the problem and
> > > there are a few patches on mantis, but none of them worked for me.  I
> > > flipped back to stable and have had no problems since.
> > >
> > > Anyone got any ideas?
> > >
> > > --
> > > Tom
> > >
> > > On 8/10/05, Gareth Blades <list-asterisk at linguaphone.co.uk> wrote:
> > > > I am running the latest CVS version of Asterisk.
> > > > Calls between an IAX client and SIP phones (Grandstream SP2000 and
> > > > Sipura SPA-841) works fine and so do external call over the Internet
> > > > from the SIP desk phones.
> > > >
> > > > However when I call from either the Grandstream/Sipura phones to another
> > > > one I get no audio. I have the G711 ulaw codec defined as the preferred
> > > > on on all phones.
> > > >
> > > > Any idea what is going wrong?
> > > > I am guessing it is something to do with native transfers which is
> > > > performed in this situation.
> > > >
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