[asterisk-bugs] [DAHDI-linux 0013866]: TDM400P FXO when configured for alaw fails to dialout

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
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http://bugs.digium.com/view.php?id=13866 
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Reported By:                alecdavis
Assigned To:                sruffell
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Project:                    DAHDI-linux
Issue ID:                   13866
Category:                   Core/Channels
Reproducibility:            always
Severity:                   block
Priority:                   normal
Status:                     feedback
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Date Submitted:             2008-11-09 19:44 CST
Last Modified:              2009-01-09 12:56 CST
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Summary:                    TDM400P FXO when configured for alaw fails to
dialout
Description: 
In /etc/dahdi/system.conf selecting alaw=35 causes the FXO to fail
dialout.

All that is heard is constant ~1000Hz square wave, this estimated.

Using mulaw=35 the line works fine.

This is not new, also happens on our production box which is Asterisk
1.6.0-rc6 with DAHDI-2.0.0-rc2
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 (0097338) alecdavis (reporter) - 2009-01-09 12:56
 http://bugs.digium.com/view.php?id=13866#c97338 
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Digium support would have been able to assist, to get the system working,
but the fact remains, this should still be in bug tracker.

A user shouldn't need to set a module parameter to get the hardware to use
alaw, when there is a channel configuration parameter that can be set.

Even worse that misleads the user, 'dahdi show channel 35' shows 'Default
law: alaw' when the module parameter 'alawoverride=1' has been missed, when
infact it's 'ulaw'. 

Issue History 
Date Modified    Username       Field                    Change               
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2009-01-09 12:56 alecdavis      Note Added: 0097338                          
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