[asterisk-bugs] [Asterisk 0017066]: Adaptive Jitter Buffer issue

Asterisk Bug Tracker noreply at bugs.digium.com
Wed Oct 6 02:08:15 CDT 2010


A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=17066 
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Reported By:                globalnetinc
Assigned To:                
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Project:                    Asterisk
Issue ID:                   17066
Category:                   Core/Jitterbuffer
Reproducibility:            always
Severity:                   minor
Priority:                   normal
Status:                     acknowledged
Asterisk Version:           1.6.2.6 
JIRA:                       SWP-1129 
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:             2010-03-20 19:32 CDT
Last Modified:              2010-10-06 02:08 CDT
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Summary:                    Adaptive Jitter Buffer issue
Description: 
After upgrade to 1.6.2.6 the adaptive part of th jitter buffer works for
the first time in 1.6.2.x.  It does however have some issues. The first
word or two are broken up.  In the log these errors are created for every
call.
[Mar 20 18:28:21] WARNING[25522]: abstract_jb.c:469 create_jb: Failed to
put first frame in the jitterbuffer on channel
'SIP/VoIP360Residential-00000001'
[Mar 20 18:28:21] WARNING[25522]: abstract_jb.c:469 create_jb: Failed to
put first frame in the jitterbuffer on channel 'SIP/4065511212-00000000'
[Mar 20 18:28:21] WARNING[25522]: chan_iax2.c:1094 jb_warning_output:
Resyncing the jb. last_delay 0, this delay -40544659, threshold 500, new
offset 40544659
[Mar 20 18:28:21] WARNING[25522]: chan_iax2.c:1094 jb_warning_output:
Resyncing the jb. last_delay 0, this delay -13990, threshold 500, new
offset 13990

======================================================================
Relationships       ID      Summary
----------------------------------------------------------------------
related to          0018084 DTMF tones fail DAHDI>DAHDI
====================================================================== 

---------------------------------------------------------------------- 
 (0127733) jkroon (reporter) - 2010-10-06 02:08
 https://issues.asterisk.org/view.php?id=17066#c127733 
---------------------------------------------------------------------- 
Can confirm on 1.6.2.13:

[Oct  6 08:39:31] WARNING[898] abstract_jb.c: Failed to put first frame in
the jitterbuffer on channel 'SIP/XXXXXXXX-0000243e'
[Oct  6 08:39:32] WARNING[898] abstract_jb.c: Failed to put first frame in
the jitterbuffer on channel 'SIP/XXXXXXXX-0000243f'
[Oct  6 08:39:34] WARNING[904] abstract_jb.c: Failed to put first frame in
the jitterbuffer on channel 'SIP/XXXX-00002443'
[Oct  6 08:39:35] WARNING[904] abstract_jb.c: Failed to put first frame in
the jitterbuffer on channel 'SIP/XXXXX-00002444'
[Oct  6 08:39:38] WARNING[889] abstract_jb.c: Failed to put first frame in
the jitterbuffer on channel 'SIP/XX-00002437'
[Oct  6 08:39:38] WARNING[889] abstract_jb.c: Failed to put first frame in
the jitterbuffer on channel 'SIP/XXXXX-00002438'
[Oct  6 08:39:41] WARNING[925] abstract_jb.c: Failed to put first frame in
the jitterbuffer on channel 'SIP/XXXXX-00002448'
[Oct  6 08:39:41] WARNING[925] abstract_jb.c: Failed to put first frame in
the jitterbuffer on channel 'SIP/XXXXX-00002449'

jb related settings in sip.conf:

jbenable=yes
jbforce=yes
jbimpl=adaptive

for me this only happens when bridging sip to sip (I still force the JB
because some clients have really horrid connections and then the other
party complains about call breakup if their phones can't deal with the
jitter). 

Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2010-10-06 02:08 jkroon         Note Added: 0127733                          
======================================================================




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