In {TAIL ~ somewhat more detail} {HEAD ~ a preferred method} in accordance with the present invention is one for obtaining information required to contact a communications unit 
In { TAIL ~ somewhat more detail } { HEAD ~ a preferred method } in accordance with the present invention is one for obtaining information required to contact a communications unit
REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH