The present invention provides for permitting {HEAD ~ hands free operation} of a telephone handset in {TAIL ~ a vehicle} 
in
The present invention provides for permitting { HEAD ~ hands free operation } of a telephone handset in { TAIL ~ a vehicle }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL