Merged revisions 378220 via svnmerge from

Merged revisions 378220 via svnmerge from
file:///srv/subversion/repos/asterisk/trunk

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  r378220 | kmoore | 2012-12-31 08:46:06 -0600 (Mon, 31 Dec 2012) | 18 lines

  Ensure chan_sip rejects encrypted streams without crypto info

  This ensures that Asterisk rejects encrypted media streams (RTP/SAVP
  audio and video) that are missing cryptographic keys and ensures that
  the incoming SDP is consistent with RFC4568 as far as having a crypto
  attribute present for any SAVP streams.

  Review: https://reviewboard.asterisk.org/r/2204/
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  Merged revisions 378217 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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  Merged revisions 378218 from http://svn.asterisk.org/svn/asterisk/branches/10
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  Merged revisions 378219 from http://svn.asterisk.org/svn/asterisk/branches/11
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git-svn-id: https://origsvn.digium.com/svn/asterisk/team/mmichelson/threadpool@378228 65c4cc65-6c06-0410-ace0-fbb531ad65f3