Merged revisions 70397 via svnmerge from

Merged revisions 70397 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4

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r70397 | russell | 2007-06-20 13:46:49 -0500 (Wed, 20 Jun 2007) | 13 lines

Merged revisions 70396 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.2

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r70396 | russell | 2007-06-20 13:45:38 -0500 (Wed, 20 Jun 2007) | 5 lines

Fix a problem where an established call would not be properly disconnected
when a PRI disconnect is received depending on which cause code was received.
(issue #9588, original patch by softins, updated patch from jtexter3, and some
 additional feedback from mhardeman)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@70398 65c4cc65-6c06-0410-ace0-fbb531ad65f3