MULTIFUNCTIONAL TELEPHONE SET Russian patent published in 1999 - IPC

FIELD: communication equipment. SUBSTANCE: device has central processing unit, memory unit, ROM with electronic programming, address selector-modifier, counter, I-O ports, telephone line interface unit, information representation converter, information displaying unit, telephone keypad unit, keyboard matrix, analog-to- digital and digital-to-analog conversion units. Device provides telephone functions (such as indication of duration and cost of talk, automatic calling mode, telephone communication using clock or calendar, power-failure operations), voice functions (such as input and output of voice messages, automatic answering mode with storing message and time, business schedule, using calendar with prompts, speaking clock and calendar, storing talk into memory or to recorder, talk copying), computer functions (entering and editing texts, keeping databases, transmission-reception of text messages, printing, calculations, access to remote databases, protection against unauthorized access, dictionary), callback functions (differentiation of connection and responses, storing calling number and time of calls). EFFECT: increased functional capabilities. 9 cl, 8 dwg, 1 tbl