[asterisk-bugs] [Asterisk 0014815]: [patch] DTMF Appears to be broken from certain sources on asterisk 1.4.24 - double digit.

Asterisk Bug Tracker noreply at bugs.digium.com
Wed May 6 18:40:56 CDT 2009


A NOTE has been added to this issue. 
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http://bugs.digium.com/view.php?id=14815 
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Reported By:                geoff2010
Assigned To:                russell
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Project:                    Asterisk
Issue ID:                   14815
Category:                   Core/RTP
Reproducibility:            always
Severity:                   major
Priority:                   normal
Status:                     ready for review
Target Version:             1.4.26
Asterisk Version:           1.4.24 
Regression:                 Yes 
SVN Branch (only for SVN checkouts, not tarball releases): N/A 
SVN Revision (number only!):  
Request Review:              
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Date Submitted:             2009-04-02 15:38 CDT
Last Modified:              2009-05-06 18:40 CDT
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Summary:                    [patch] DTMF Appears to be broken from certain
sources on asterisk 1.4.24 - double digit.
Description: 
I am having some trouble with 1.4.24.  This appears to be a regression
since 1.4.21.1 as I have just recently upgraded and started to experience
the problem.

When calling my asterisk box from a cell phone the system detects double
DTMF digits.  When calling from a landline or pure SIP device DTMF
detection works fine.  I have determined that the cell phone is sending the
RTP DTMF payload about 2x more than the other devices, but as far as I can
tell it should still be considered a single digit as per the RFC.

Attached are two TXT files of pcap exports which show the dump for a
working DTMF interaction, and one for a failure situation.

Please let me know if I can provide any further information.

Thanks,
Geoff
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Relationships       ID      Summary
----------------------------------------------------------------------
related to          0014460 Asterisk plays a continuous tone foreve...
related to          0015024 DTMF is not working correctly for cell ...
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---------------------------------------------------------------------- 
 (0104333) ZX81 (reporter) - 2009-05-06 18:40
 http://bugs.digium.com/view.php?id=14815#c104333 
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Looks good here in minimal testing - I'm back to one DTMF per key press - I
only did a couple of calls but with 5 DTMF sequences each - previous
versions were sending 2-3 DTMF events to dialplan per key press. 

Issue History 
Date Modified    Username       Field                    Change               
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2009-05-06 18:40 ZX81           Note Added: 0104333                          
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