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