Communication between first (38, 40 or 42) and second (38, 40 or 42) portable radiotelephone transceivers is provided in a radiotelephone communication system by generating a paging message (500-512) in response to the first transceiver (38, 40 or 42) registering with a first telepoint base station (32,...http://www.google.es/patents/US5202912?utm_source=gb-gplus-sharePatente US5202912 - Method and apparatus for providing telepoint to telepoint calling between pager equipped handsets
Method and apparatus for providing telepoint to telepoint calling between ...
