quiescent-carrier telephony
quiescent-carrier telephony
[kwē′es·ənt ¦kar·ē·ər tə′lef·ə·nē] (communications)
A radiotelephony system in which the carrier is suppressed whenever there are no voice signals to be transmitted.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.