Merged revisions 293493 via svnmerge from

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

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  r293493 | twilson | 2010-11-01 09:58:00 -0500 (Mon, 01 Nov 2010) | 14 lines
  
  Only offer codecs both sides support for directmedia
  
  When using directmedia, Asterisk needs to limit the codecs offered to just
  the ones that both sides recognize, otherwise they may end up sending audio
  that the other side doesn't understand.
  
  (closes issue #17403)
  Reported by: one47
  Patches: 
        sip_codecs_simplified4 uploaded by one47 (license 23)
  Tested by: one47, falves11
  
  Review: https://reviewboard.asterisk.org/r/967/
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@302048 65c4cc65-6c06-0410-ace0-fbb531ad65f3