[asterisk-bugs] [Zaptel 0011855]: REGRESSION: DTMF generation problem

[noreply at bugs.digium.com]

A NOTE has been added to this issue. 
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http://bugs.digium.com/view.php?id=11855 
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Reported By:                meneault
Assigned To:                sruffell
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Project:                    Zaptel
Issue ID:                   11855
Category:                   zaptel (the module)
Reproducibility:            always
Severity:                   major
Priority:                   normal
Status:                     acknowledged
Zaptel Version:              SVN 
SVN Branch (only for SVN checkouts, not tarball releases):  1.4  
SVN Revision (number only!): 3490 
Disclaimer on File?:        N/A 
Request Review:              
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Date Submitted:             01-28-2008 01:06 CST
Last Modified:              02-26-2008 15:29 CST
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Summary:                    REGRESSION: DTMF generation problem
Description: 
Zaptel don't send DTMF tones correctly on FXO lines. For instance when
trying to dial out a number.
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---------------------------------------------------------------------- 
 qwell - 02-26-08 15:29  
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Just as a possible progress note, I analyzed the tones that make up both
the 9 and * in the recording that pbwolf uploaded...

In the bad 9 tone, there are 3 clear peaks - 625Hz, 852Hz, 2329Hz.  The
middle peak (852Hz) is low tone for the digit 9, and the other 2 when added
and divided by 2 end up as 1477Hz - which is the high tone for 9.

Perhaps even more interestingly, 1477 - 852 is 625, and 1477 + 852 is
2329.


All of the above is also true for the bad * tone. 

Issue History 
Date Modified   Username       Field                    Change               
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02-26-08 15:29  qwell          Note Added: 0082988                          
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