Merged revisions 286758 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.8

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  r286758 | mnicholson | 2010-09-14 14:28:38 -0500 (Tue, 14 Sep 2010) | 27 lines
  
  Merged revisions 286757 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.6.2
  
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    r286757 | mnicholson | 2010-09-14 14:27:28 -0500 (Tue, 14 Sep 2010) | 20 lines
    
    Merged revisions 286756 via svnmerge from 
    https://origsvn.digium.com/svn/asterisk/branches/1.4
    
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      r286756 | mnicholson | 2010-09-14 14:26:18 -0500 (Tue, 14 Sep 2010) | 13 lines
      
      Don't clear the username from a realtime database when a registration expires.
      
      Non-realtime chan_sip does not clear the username from memory when a registration expiries so realtime probably shouldn't either.
      
      (closes issue #17551)
      Reported by: ricardolandim
      Patches:
            reg-expiry-username-1.4-fix1.diff uploaded by mnicholson (license 96)
            reg-expiry-username-1.6.2-fix1.diff uploaded by mnicholson (license 96)
            reg-expiry-username-1.8-fix1.diff uploaded by mnicholson (license 96)
            reg-expiry-username-trunk-fix1.diff uploaded by mnicholson (license 96)
      Tested by: ricardolandim, mnicholson
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@286759 65c4cc65-6c06-0410-ace0-fbb531ad65f3