Title :
A DTMF identity recognition dispatch system
Author :
Hayes, J. Christopher ; Rykala, Ted P.
Author_Institution :
SPEEDCALL Corporation, Hayward, California
Keywords :
Central office; Circuits; Decoding; Frequency; Keyboards; Land mobile radio; Resists; Stability; Telephony;
Conference_Titel :
Vehicular Technology Conference, 1971. 22nd IEEE
DOI :
10.1109/VTC.1971.1622072
