GENERAL TELEPHONE MEETING METHOD IN KEYPHONE SYSTEM

摘要

The method controls three persons conference with a general telephone instrument by using hook flash in key phone system. The method includes steps; a) suspending the extension line and transmitting a reservation message supplied from key phone system to a person on the other end of the line when a general telephone subscriber tries hook flash during communication; b) detecting the number of the third extension line subscriber wanted calling and determining the status of communication of the third subscriber's telephone; c) communicating with the third subscriber; and d) enabling three persons conference when the hook flash is tried.