ryPaging system for establishing telephone connection between calling party and paged partyUS5144648 *May 16, 1991Sep 1, 1992Mobile Telecommunication TechnologiesMethod and apparatus for processing pagesUS5157660 *Sep 21, 1990Oct 20, 1992Hitachi, Ltd.Communication system including portable terminals and fixed terminalsUS5166973 *Mar 6, 1990Nov 24, 1992Seiko Corp.In a telephone systemUS5202912 *Sep