Blocked revisions 240891 via svnmerge

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  r240891 | dvossel | 2010-01-18 10:51:35 -0600 (Mon, 18 Jan 2010) | 7 lines

  updated transmit_silence option documentation in asterisk.conf

  This patch updates the transmit_silence option to better document
  why the option exists, and what it affects.  Thanks to russell
  for providing the verbage for this update.
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@240892 65c4cc65-6c06-0410-ace0-fbb531ad65f3