[asterisk-bugs] [Asterisk 0019358]: First DAHDI line transferred into ConfBridge hung up when second DAHDI line transferred into conference

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=19358 
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Reported By:                stevebrandli
Assigned To:                
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Project:                    Asterisk
Issue ID:                   19358
Category:                   Channels/chan_sip/Transfers
Reproducibility:            always
Severity:                   major
Priority:                   normal
Status:                     acknowledged
Asterisk Version:           1.8.4 
JIRA:                       SWP-3521 
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:             2011-05-24 14:53 CDT
Last Modified:              2011-05-31 20:19 CDT
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Summary:                    First DAHDI line transferred into ConfBridge hung up
when second DAHDI line transferred into conference
Description: 
(1) Receive DAHDI call on Polycom phone using Dial(t). (Not sure if make of
phone is important.)
(2) Transfer that call using transfer key (not Asterisk codes) to
extension that has ConfBridge(1s).  This is an attended transfer.

So far, no problem.

(3) Receive second DAHDI call as with https://issues.asterisk.org/view.php?id=1.
(4) Transfer that call to conference extension just as with
https://issues.asterisk.org/view.php?id=2.

After receiving the second call (step 3), hitting the tranfer key, and
calling the conference extension (step 4, which calls ConfBridge()), the
Polycom phone is in the conference with the first call.  (Remember that the
transfer is attended.)  But, when the Polycom phone hangs up to complete
the transfer, the first call is hung up.
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 (0135599) stevebrandli (reporter) - 2011-05-31 20:19
 https://issues.asterisk.org/view.php?id=19358#c135599 
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Yes, completing the transfer after step
https://issues.asterisk.org/view.php?id=2.  The first calling party
(through DAHDI) is in the conference at that point.

Correct: Only reproducible if originated through DAHDI.  The following
worked correctly:

(1) SIP extension 1 calls SIP extension 2.
(2) SIP extension 2 transfers to the conference (transfer button, dial
conference extension, hangup).
(3) SIP extension 3 calls SIP extension 2.
(4) SIP extension 2 transfer to the conference.

In step 4, after hitting the transfer button and dialing the extension
conference, extensions 1 and 2 are connected in the conference.  After
hanging up extension 2 (completing the transfer), extensions 1 and 3 are in
the conference as expected. 

Issue History 
Date Modified    Username       Field                    Change               
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2011-05-31 20:19 stevebrandli   Note Added: 0135599                          
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