ON 20110202@7:26:58 AM at page:
On a web page you were interested in at:
http://techref.massmind.org/Techref/scenix/lib/io/osi1/dfs/dtmf.htm#
David A Cary[DAV-MP-E62a] edited the page. Difference:
http://techref.massmind.org/techref/diff.asp?url=\Techref\scenix\lib\io\osi1\dfs\dtmf.htm&version=0

ERROR: Can't email. At least one recipient is required, but none were found.