Merged revisions 310088 via svnmerge from

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

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  r310088 | jrose | 2011-03-08 14:19:32 -0600 (Tue, 08 Mar 2011) | 9 lines
  
  Returns with an error notice if CHANNEL function of SIP channel is read without arguments.
  
  (Closes issue #18653)
  Reported by: wuwu
  Patches:
        diff.patch uploaded by jrose (license 1225)
  Tested by: jrose
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@310089 65c4cc65-6c06-0410-ace0-fbb531ad65f3