Merged revisions 119238 via svnmerge from

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

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r119238 | russell | 2008-05-30 07:55:36 -0500 (Fri, 30 May 2008) | 15 lines

Merged revisions 119237 via svnmerge from 
https://origsvn.digium.com/svn/asterisk/branches/1.2

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r119237 | russell | 2008-05-30 07:49:39 -0500 (Fri, 30 May 2008) | 7 lines

- Instead of only enforcing destination call number checking on an ACK, check
  all full frames except for PING and LAGRQ, which may be sent by older versions
  too quickly to contain the destination call number.
  (As suggested by Tim Panton on the asterisk-dev list)
- Merge changes from team/russell/iax2-frame-race, which prevents PING and LAGRQ
  from being sent before the destination call number is known.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@119239 65c4cc65-6c06-0410-ace0-fbb531ad65f3