[asterisk-bugs] [Asterisk 0016507]: heavy CPU usage when using iax channel

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=16507 
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Reported By:                marcelloceschia
Assigned To:                
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Project:                    Asterisk
Issue ID:                   16507
Category:                   Channels/chan_iax2
Reproducibility:            always
Severity:                   major
Priority:                   normal
Status:                     acknowledged
Asterisk Version:           1.6.2.0 
JIRA:                       SWP-833 
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:             2009-12-23 04:58 CST
Last Modified:              2010-04-27 04:35 CDT
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Summary:                    heavy CPU usage when using iax channel
Description: 
When making a call using iax channel, i have a high cpu usage
https://issues.asterisk.org/view.php?id=18#c97%
This does not only happens while transcoding audio, also with the same
codecs on both sides.

after a short time, i get the following cli output:

[Dec 23 11:45:29] WARNING[12300]: channel.c:1045 __ast_queue_frame:
Exceptionally long voice queue length queuing to IAX2/diax-6892

Calling sip2sip has a cpu usage about 1.5% per call
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Relationships       ID      Summary
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duplicate of        0015609 [patch] WARNING[23025]: channel.c:952 _...
related to          0017214 Exceptionally long voice queuing when u...
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 (0120956) Andrey Sofronov (reporter) - 2010-04-27 04:35
 https://issues.asterisk.org/view.php?id=16507#c120956 
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Downgraded to Asterisk 1.6.2.2. It works fine about 3 weeks! 

Issue History 
Date Modified    Username       Field                    Change               
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2010-04-27 04:35 Andrey SofronovNote Added: 0120956                          
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