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