[asterisk-bugs] [Asterisk 0014021]: RTP playout does not match ptime

Thu Dec 4 18:39:12 CST 2008

A NOTE has been added to this issue. 
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http://bugs.digium.com/view.php?id=14021 
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Reported By:                Skavin
Assigned To:                
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Project:                    Asterisk
Issue ID:                   14021
Category:                   Core/RTP
Reproducibility:            always
Severity:                   major
Priority:                   normal
Status:                     new
Asterisk Version:           1.4.21.2 
SVN Branch (only for SVN checkouts, not tarball releases): N/A 
SVN Revision (number only!):  
Disclaimer on File?:        N/A 
Request Review:              
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Date Submitted:             2008-12-04 16:02 CST
Last Modified:              2008-12-04 18:39 CST
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Summary:                    RTP playout does not match ptime
Description: 
when a sip client invites with a alaw and ptime of 30. Asterisk sends RTP
at intervals of 20 and 40 ms as captured by tcpdump on the asterisk
server.
this is causing 20ms jitter on these connections.

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 (0095816) otherwiseguy (administrator) - 2008-12-04 18:39
 http://bugs.digium.com/view.php?id=14021#c95816 
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Do you have allow=alaw:30 in your sip.conf?  See doc/rtp-packetization.txt 

Issue History 
Date Modified    Username       Field                    Change               
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2008-12-04 18:39 otherwiseguy   Note Added: 0095816                          
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