[asterisk-users] CHANNEL(t38passthrough) is 0

[Steve Totaro]

Do you have reinvite allowed?  That was an issue on one of my
installations if I am remembering correctly.  Any debug, logs, confs
that would help?

Thanks,
Steve Totaro

On Thu, Dec 27, 2012 at 12:15 PM, Eric Wieling <EWieling at nyigc.com> wrote:
> Setting directmedia=no does not help.  The calls still go through and the fax still fails after switching to T.38.
>
> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Eric Wieling
> Sent: Thursday, December 27, 2012 10:49 AM
> To: asterisk-users at lists.digium.com
> Subject: [asterisk-users] CHANNEL(t38passthrough) is 0
>
> I'm trying to get T.38 passthrough working on Asterisk 1.8.18.1.  It isn't working.   Calls go through and are answered, but the fax machines are unable to communicate.   I checked the value of CHANNEL(t38passthrough) and it seems to always be 0.   One side is Level 3 T.38 TN and the other side is an Adtran NetVanta with POTS ports.   What would cause Asterisk to not offer t38 passthrough on a channel?
>
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