[asterisk-users] Asterisk 1.4.30 & T38

[Travis Langhals]

I have been trying to get this working with an HT-502, Asterisk 1.4.31, and
Gafachi but no luck so far.

The VSP should send a re-invite for the T.38 media change on detection of
the fax tone.

I'm using canreinvite=yes on the trunk and canreinvite=no on the HT-502
extension.  Also have t38pt_udptl=yes in sip.conf and T.38 Auto & Fax
Detection Callee in the HT line settings.

On May 18, 2010 5:16 AM, "Jonas Kellens" <jonas.kellens at telenet.be> wrote:

 Hello list,

I read on voip-info.org that Asterisk 1.4 support T38 passthrough.
So I guess this means that I can have a Grandstream HT503 with T38 support
and an analogue faxmachine on the other side of my Asterisk and a
T38-account with a ITSP on the other side of my Asterisk machine, right ?!

The fax coming from the faxmachine passes the HT503 to my Asterisk and my
Asterisk sends the fax to the ITSP which places it on the PSTN.

What do I place in the dialplan ??

The only dialplan I find is :

/etc/asterisk/extensions.conf:
 [from-sip]
 exten => 200,1,Dial(SIP/${EXTEN}|300)
 exten => 201,1,Dial(SIP/${EXTEN}|300)

on http://www.voip-info.org/wiki/view/Asterisk+T.38

But I don't understand how this little dialplan can make my fax go from the
HT503 to my ITSP... I understand I need to use the Dial()-command... ?!


Kind regards,

Jonas.

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