[asterisk-bugs] [Asterisk 0012719]: When dial multiple SIP channels simutaneously, if one channel reply busy, the dial ended

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The following issue requires your FEEDBACK. 
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http://bugs.digium.com/view.php?id=12719 
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Reported By:                cwhuang
Assigned To:                
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Project:                    Asterisk
Issue ID:                   12719
Category:                   Applications/app_dial
Reproducibility:            always
Severity:                   minor
Priority:                   normal
Status:                     feedback
Asterisk Version:           1.4.20 
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:             05-24-2008 11:31 CDT
Last Modified:              05-27-2008 07:33 CDT
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Summary:                    When dial multiple SIP channels simutaneously, if
one channel reply busy, the dial ended
Description: 
I tried to dial multiple channels like,

Executing [s at macro-group:25] Dial("SIP/402-08edd880",
"Local/400/n&Local/401/n|20") in new stack

However, one extension 400 was busy and replied  486 "Busy Here".
The other extension 401 was ringing.
However, asterisk also stopped the dialed 401 channel immediately,
and hangup the dialing channel.
This seems very strange to me.
The 401 channel should continue ringint, until a user pick it up
or timeout. Shouldn't it?
I consider it is a bug.

The asterisk version is 1.4.20.1.

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 file - 05-27-08 07:33  
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Please provide complete console output and dialplan involved. You are
actually dialing other extensions so more dialplan logic is executing. 

Issue History 
Date Modified   Username       Field                    Change               
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05-27-08 07:33  file           Note Added: 0087329                          
05-27-08 07:33  file           Status                   new => feedback     
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