Merged revisions 81120 via svnmerge from

Merged revisions 81120 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4

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r81120 | mmichelson | 2007-08-27 16:08:48 -0500 (Mon, 27 Aug 2007) | 7 lines

DTMF begin frames should be ignored so that when an agent acks a call with the '#' key,
he doesn't cause a queue's announce file to be interrupted. Also went ahead and did the
same for the '*' key and for ending a call.

(closes issue #10528, reported by deskhack, patched by me)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@81121 65c4cc65-6c06-0410-ace0-fbb531ad65f3