The present disclosure includes a discussion of an operating technique for a radiotelephone (101). The radiotelephone (101) has a memory (907), a display (127) and a keypad (117) which includes a first function key (107), a second function key (109), and a plurality of data keys (119). An actuation of...http://www.google.fr/patents/US5903852?utm_source=gb-gplus-shareBrevet US5903852 - Radiotelephone operating technique
