[asterisk-bugs] [Asterisk 0019103]: SIP faxdetect does not work when using g729 codec

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=19103 
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Reported By:                darkbasic
Assigned To:                
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Project:                    Asterisk
Issue ID:                   19103
Category:                   General
Reproducibility:            always
Severity:                   minor
Priority:                   normal
Status:                     new
Asterisk Version:           1.8.3.2 
JIRA:                        
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:             2011-04-12 08:10 CDT
Last Modified:              2011-04-13 09:05 CDT
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Summary:                    SIP faxdetect does not work when using g729 codec
Description: 
I am using T.38 termination with Eutelia provider, I can receive faxes
flawlessly using g729, but fax detection does not work with g729 (it works
when using alaw).

I get this WARNING: Inband DTMF is not supported on codec g729. Use
RFC2833

I attached full log.
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 (0133707) lmadsen (administrator) - 2011-04-13 09:05
 https://issues.asterisk.org/view.php?id=19103#c133707 
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<mnicholson> leifmadsen, on 19103 g729 usage will break CNG based fax
detection (tone based detection). T.38 reinvite detection should still
work.

<mnicholson> and btw, you can fax while g729 is enabled, as long as you
use T.38, which is what he is doing.  If he is able to send faxes over
g729, then he is doing magic. 

Issue History 
Date Modified    Username       Field                    Change               
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2011-04-13 09:05 lmadsen        Note Added: 0133707                          
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