[asterisk-users] T38 problem

[Craig Guy]

Hi Tomislav,

It sounds to me that you have t.38 enabled on your Grandstream Handytone 
386.  You should disable this on the Handytone.  I have a handytone 286 
which has an option to disable t.38 and use fax passthrough.  This should 
get rid of your t.38 messages on the cli.

Craig

----- Original Message ----- 
From: "Tomislav Parčina" <tparcina at lama.hr>
To: "Asterisk Users Mailing List - Non-Commercial Discussion" 
<asterisk-users at lists.digium.com>
Sent: Wednesday, November 15, 2006 8:40 PM
Subject: [asterisk-users] T38 problem


I have problem with fax machine Panasonic DX600. It's connected to 
Grandstream Handy Tone 386 which is connected to Asterisk. Asterisk is 
connected to my SIP provider.

To some numbers I can't send FAX, and I get following error on CLI.
WARNING[2237] chan_sip.c: Unknown SDP media type in offer: image 31358 udptl 
t38

I believe that Panasonic DX600 machine supports T38. And when I have another 
T38 fax machine on other end they try to send FAX using T38 protocol. And 
than I believe I get above error and sending FAX fails.

Is there any way to solve this? I hear that there is T38 support in Asterisk 
1.4, but I can't wait for version 1.4. In manual for Panasonic DX600 I 
didn't find any instructions how to turn T38 off.

Please suggest something.



--
Tomislav Parčina
Lama Computers Split
Stinice 12, 21000 Split
Tel.: +385(21)270248
Mob.: +385(91)1212148
SIP: tomo at sip.lama.hr
e-mail: tparcina#lama.hr
http://www.lama.hr
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