It is therefore an object of {HEAD ~ the present invention} to provide {TAIL ~ a method} for accurately detecting beginning and end of voice presence on a digitized communication line, even in the presence of tone signals 
to provide
It is therefore an object of { HEAD ~ the present invention } to provide { TAIL ~ a method } for accurately detecting beginning and end of voice presence on a digitized communication line , even in the presence of tone signals
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH