A cooperative paging system (10) and radio telephone system (15) combine to provide conventional delivery of short paging messages to a combination pager/radio telephone (40) via a first communication path, while a radio telephone link operating at a higher data rate is used to deliver large data messages...http://www.google.de/patents/US5392452?utm_source=gb-gplus-sharePatent US5392452 - Selective call signaling system with combined wide area paging and high data rate transmissions via radio telephone transceivers
