[asterisk-bugs] [Asterisk 0016473]: [patch] app_background fails to reliably detect DTMF when echocan module is enabled

Asterisk Bug Tracker noreply at bugs.digium.com
Thu Jan 28 17:51:44 CST 2010


A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=16473 
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Reported By:                alecdavis
Assigned To:                
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Project:                    Asterisk
Issue ID:                   16473
Category:                   Core/PBX
Reproducibility:            always
Severity:                   major
Priority:                   normal
Status:                     closed
Asterisk Version:           SVN 
JIRA:                       SWP-578 
Regression:                 No 
Reviewboard Link:            
SVN Branch (only for SVN checkouts, not tarball releases): 1.6.1 
SVN Revision (number only!): 235424 
Request Review:              
Resolution:                 no change required
Fixed in Version:           
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Date Submitted:             2009-12-19 21:31 CST
Last Modified:              2010-01-28 17:51 CST
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Summary:                    [patch] app_background fails to reliably detect DTMF
when echocan module is enabled
Description: 
DTMF is sucessfully detected 100% of the time by disabling the echocan
module by inserting the following line in /etc/modprobe.d/dahdi
  options wct4xxp vpmsupport=0

Seems like app_background and other like applications need to disbale EC
while it's waiting for DTMF digits.
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---------------------------------------------------------------------- 
 (0117346) alecdavis (manager) - 2010-01-28 17:51
 https://issues.asterisk.org/view.php?id=16473#c117346 
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added relaxdtmf in chan_dahdi.conf as suggested by vendor 

Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2010-01-28 17:51 alecdavis      Note Added: 0117346                          
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