[asterisk-bugs] [Asterisk 0018771]: [patch] DTMF CallerID failing wirh dtmfcidlevel with high value

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=18771 
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Reported By:                sum
Assigned To:                
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Project:                    Asterisk
Issue ID:                   18771
Category:                   Channels/chan_dahdi
Reproducibility:            have not tried
Severity:                   major
Priority:                   normal
Status:                     confirmed
Asterisk Version:           1.6.2.16.1 
JIRA:                       SWP-3145 
Regression:                 No 
Reviewboard Link:            
SVN Branch (only for SVN checkouts, not tarball releases): N/A 
SVN Revision (number only!):  
Request Review:              
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Date Submitted:             2011-02-08 14:51 CST
Last Modified:              2011-05-15 22:36 CDT
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Summary:                    [patch] DTMF CallerID failing wirh dtmfcidlevel with
high value
Description: 
After some time working ok this message start to show up on the console:

WARNING[7309]: chan_dahdi.c:9831 do_monitor: Read failed with -1: Unknown
error 500

after this calls starts to hangup at the middle of a call.

Configuration:
cidsignalling=dtmf
dtmfcidlevel=1250
cidstart=dtmf
answeronpolarityswitch=yes
hanguponpolarityswitch=yes
polarityonanswerdelay=2000


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 (0134952) sum (reporter) - 2011-05-15 22:36
 https://issues.asterisk.org/view.php?id=18771#c134952 
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as a response for rmudgett this patch solves the issue I had of calls that
were hangup without a reason, the stability of the system is far better,
due to diferent carriers needs diferent configs and depending on the
dtmfcidlevel if is a wrong value you have false tries to detect dtmf cid
(dtmf cid timeout) and the channel is busy in a prering state, this could
be one after the other or every X seconds depending on the value this is
when dtmfcidlevel is lower than the expected value, the other chance is a
higher dtmfcidlevel make some calls no to be answered. 

Issue History 
Date Modified    Username       Field                    Change               
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2011-05-15 22:36 sum            Note Added: 0134952                          
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