Merged revisions 80166 via svnmerge from

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

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r80166 | murf | 2007-08-21 10:36:34 -0600 (Tue, 21 Aug 2007) | 1 line

This patch solves problem 1 in 8126; it should not slow down the alaw codec, but should prevent signal degradation via multiple trips thru the codec. Fossil estimates the twice thru this codec will prevent fax from working. 4-6 times thru would result hearable, noticeable, voice degradation.
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@80241 65c4cc65-6c06-0410-ace0-fbb531ad65f3