Merged revisions 43852 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

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r43852 | crichter | 2006-09-28 13:03:05 +0200 (Do, 28 Sep 2006) | 9 lines

Merged revisions 43764 via svnmerge from 
https://origsvn.digium.com/svn/asterisk/branches/1.2

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r43764 | crichter | 2006-09-27 14:51:03 +0200 (Mi, 27 Sep 2006) | 1 line

fixed a bug which led to chan_list zombies, when the call could not be properly established in misdn_call. also removed the ACK_HDLC stuff which is not really needed.
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@43855 65c4cc65-6c06-0410-ace0-fbb531ad65f3