[asterisk-bugs] [Asterisk 0016127]: hylafax(+iaxmodem)+ReceiveFAX leads to "Audio loop reports T38 switchover but t38state != T38_STATE_NEGOTIATED"

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=16127 
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Reported By:                darkbasic
Assigned To:                kpfleming
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Project:                    Asterisk
Issue ID:                   16127
Category:                   Applications/app_fax
Reproducibility:            always
Severity:                   minor
Priority:                   normal
Status:                     confirmed
Asterisk Version:           SVN 
JIRA:                        
Regression:                 No 
Reviewboard Link:            
SVN Branch (only for SVN checkouts, not tarball releases): 1.6.2 
SVN Revision (number only!): 223406 
Request Review:              
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Date Submitted:             2009-10-25 13:16 CDT
Last Modified:              2009-10-26 10:55 CDT
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Summary:                    hylafax(+iaxmodem)+ReceiveFAX leads to "Audio loop
reports T38 switchover but t38state != T38_STATE_NEGOTIATED"
Description: 
I send the fax with "sendfax -n -d <exten> /root/fax/prova.tif".

iax.conf:
[general]
requirecalltoken=no
authdebug=yes
bindport=4569
bindaddr = 0.0.0.0
disallow=all
allow=ulaw
allow=alaw
autokill=yes

[iaxmodem]
type=friend
context=fax
disallow=all
allow=alaw
username=iaxmodem
secret=password
qualify=yes
notransfer=yes
host=dynamic
callerid="Fax" <mynumber>
requirecalltoken=no

dialplan:
[fax]
exten => _X.,1,ReceiveFAX(/var/spool/asterisk/fax/prova_${EXTEN}.tif)

I attached full => notice,warning,error,debug,verbose with 'core set
verbose 10, 'core set debug 10', 'sip set debug on', and 'sip set history
on'.
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---------------------------------------------------------------------- 
 (0112756) svnbot (reporter) - 2009-10-26 10:55
 https://issues.asterisk.org/view.php?id=16127#c112756 
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Repository: asterisk
Revision: 225870

U   branches/1.6.1/apps/app_fax.c

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r225870 | kpfleming | 2009-10-26 10:55:56 -0500 (Mon, 26 Oct 2009) | 8
lines

Backport audio handling loop fixes from trunk version of app_fax.

This backport resolves some issues handling audio frames during FAX
processing,
and ensures that the FAX application doesn't accidentally get notified of
a T.38
switchover at the end of a successful FAX.

(issue https://issues.asterisk.org/view.php?id=16127)

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http://svn.digium.com/view/asterisk?view=rev&revision=225870 

Issue History 
Date Modified    Username       Field                    Change               
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2009-10-26 10:55 svnbot         Checkin                                      
2009-10-26 10:55 svnbot         Note Added: 0112756                          
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