anti-sidetone circuit

anti-sidetone circuit

[¦an·tē¦sīd‚tōn ‚sər·kət]
(electricity)
Telephone circuit which prevents sound, introduced in the local transmitter, from being reproduced in the local receiver.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.