[asterisk-bugs] [Asterisk 0013034]: [patch] 183 response although progressinband=never

Asterisk Bug Tracker noreply at bugs.digium.com
Fri Mar 20 10:27:14 CDT 2009


A NOTE has been added to this issue. 
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http://bugs.digium.com/view.php?id=13034 
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Reported By:                klaus3000
Assigned To:                tilghman
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Project:                    Asterisk
Issue ID:                   13034
Category:                   Channels/chan_dahdi
Reproducibility:            always
Severity:                   minor
Priority:                   normal
Status:                     assigned
Asterisk Version:           1.4.21 
Regression:                 No 
SVN Branch (only for SVN checkouts, not tarball releases): N/A 
SVN Revision (number only!):  
Request Review:              
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Date Submitted:             2008-07-09 07:03 CDT
Last Modified:              2009-03-20 10:27 CDT
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Summary:                    [patch] 183 response although progressinband=never
Description: 
Hi!

Scenario with Asterisk 1.4.21.1:

SIP Client ----> chan_sip:Dial(zap):chan_zap ---> ISDN

very simple dialplan:
[fromklaus]
exten => _1X.,1,NoOp(1... SIP: Outgoing Call: Asterisk->HiCom)
exten => _1X.,n,Dial(Zap/g1/${EXTEN:1})

Immediately after sending the SETUP message, Asterisk responds with 183
Session Progress. Thus, the SIP client is waiting for inband audio, but
there is no inband audio available. progressinband=never

sip.conf:

[klaus]
type=peer
username=klaus
host=dynamic
context=fromklaus
canreinvite=no
progressinband=never


actually I tried all progressinband settings without any difference
====================================================================== 

---------------------------------------------------------------------- 
 (0102017) tilghman (administrator) - 2009-03-20 10:27
 http://bugs.digium.com/view.php?id=13034#c102017 
---------------------------------------------------------------------- 
The point isn't that we're actually dialling anything.  The point is that
we're not sending PROGRESS until dial is turned off.  It's simply a flag
that prevents frames from getting forwarded on to the SIP channel driver. 
You're certainly welcome to test this proposed change, but please open it
as a new issue, as the fix we came up with solved the issue as stated. 

Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2009-03-20 10:27 tilghman       Note Added: 0102017                          
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