PURPOSE: To minimize a dial inhibition time to improve the communication service quality, by transmitting and returning the terminal station number after transmission of the dial signal.
CONSTITUTION: Call signal (a') is transmitted from originating terminal station 10, and acceptance signal (a') is returned from base station 1. Dial signal (b') is transmitted from terminal station 10, and when the number of digits required for connection to the communication other party is received by base station 1, station number request signal (e') is transmitted from base station 1, and this signal is received by originating terminal station 10 to transmit terminal station number (c') from station 10. Next, originating terminal station number f' which is the same number as terminal station number (c') is transmitted from base station 1 to make service possible.
TSUJIMURA KIYOYUKI
HASEGAWA YOSHIHIKO
FUKUHARA YASUMASA
WATANABE KAZUYOSHI
JAPAN RADIO CO LTD
ANRITSU ELECTRIC CO LTD