Merged revisions 224330 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

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  r224330 | jpeeler | 2009-10-16 20:32:47 -0500 (Fri, 16 Oct 2009) | 13 lines
  
  Fix stale caller id data from being reported in AMI NewChannel event
  
  The problem here is that chan_dahdi is designed in such a way to set
  certain values in the dahdi_pvt only once. One of those such values
  is the configured caller id data in chan_dahdi.conf. For PRI, the
  configured caller id data could be overwritten during a call. Instead
  of saving the data and restoring, it was decided that for all non-analog
  channels it was simply best to not set the configured caller id in the
  first place and also clear it at the end of the call.
  
  (closes issue #15883)
  Reported by: jsmith
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@224331 65c4cc65-6c06-0410-ace0-fbb531ad65f3