{TAIL ~ The communications unit} 33 wherein said transceiver sends {HEAD ~ an indication} of communications services corresponding to said desired communications services and alternative services, all such communications services available to the communications unit 
{ TAIL ~ The communications unit } 33 wherein said transceiver sends { HEAD ~ an indication } of communications services corresponding to said desired communications services and alternative services , all such communications services available to the communications unit
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH