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Summary:ASTERISK-00690: Fax detected, but no fax extension
Reporter:tekati (tekati)Labels:
Date Opened:2003-12-21 16:30:43.000-0600Date Closed:2011-06-07 14:04:49
Priority:MajorRegression?No
Status:Closed/CompleteComponents:Core/General
Versions:Frequency of
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Description:I am getting this all the time now.  I normally have a fax extension and it causes it to go directly to it every call when there is no fax tone present.  

   -- Executing Wait("Zap/2-1", "1") in new stack
   -- Executing Answer("Zap/2-1", "") in new stack
   -- Executing Goto("Zap/2-1", "fxo-line2-in|s|6") in new stack
   -- Goto (fxo-line2-in,s,6)
   -- Executing BackGround("Zap/2-1", "/var/lib/asterisk/voice_menus/greeting") in new stack
   -- Playing '/var/lib/asterisk/voice_menus/greeting' (language 'en')
NOTICE[1209277232]: File chan_zap.c, Line 3562 (zt_read): Fax detected, but no fax extension
 == Spawn extension (fxo-line2-in, s, 6) exited non-zero on 'Zap/2-1'
   -- Hungup 'Zap/2-1'

I have had to remove my fax extension until this gets resolved.

Comments:By: Tilghman Lesher (tilghman) 2003-12-21 16:48:31.000-0600

Uncomment the declaration of OLD_DSP_ROUTINES in dsp.c and try again.

By: tekati (tekati) 2003-12-21 16:52:50.000-0600

Yes that does keep the problem from happening.
What effect is that going to have other then making the fax detection work again?

By: Tilghman Lesher (tilghman) 2003-12-21 17:06:38.000-0600

It prevents MF detection of the digit 1 on e&m signalled lines.  See bug ASTERISK-643

By: Brian West (bkw918) 2004-01-09 20:41:21.000-0600

Related to bug 740. Its related to the DSP routines.