[asterisk-users] Zap Bridged Channels

[Steve Totaro]

On Wed, Jul 9, 2008 at 3:28 PM, Jeremy Mann <jmann at txhmg.com> wrote:

>  I have a Sangoma A200DX, and am trying to bridge an FXO channel with FXS
> for modem connectivity.
>
>
>
> I have Zap/8 as a Fax Machine
>
>
>
> Zap/5 is my outside line.  When a call rings in on Zap/5 it immediately
> calls Zap/8 and bridges the channels.  I see it doing a native bridge on the
> two.  I have echo cancel off on native bridge, but I can never get fax
> connectivity, it just tries to negotiate forever then eventually hangs up.
>
>
>
> Anything special to getting this to work?
>
>
>
> Below is an example of CLI output when the Fax Machine tries to call out,
> it does the same thing, never get the two machines to complete the call and
> send the fax.  I've also included the CLI output of channel 5's properties,
> it does show the EC as off.  I noticed it says "Fax Handled: no", is there
> something I need to enable in Zapata.conf or zaptel.conf?
>
>
>
> Would txgain/rxgain be the issue?
>

Gain certainly could be an issue.  Did you set them to 2 for a reason?  If
not try 0 gain.

I suspect if you set the communication speed on the fax to a slow speed it
will work.  9600 and then bump it up.

Thanks,
Steve T
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