Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: utzoo!utgpu!water!watnot!watmath!clyde!rutgers!ames!ucbcad!ucbvax!ucbarpa.Berkeley.EDU!albert
From: albert@ucbarpa.Berkeley.EDU.UUCP
Newsgroups: sci.electronics
Subject: Full duplex intercoms?
Message-ID: <18003@ucbvax.BERKELEY.EDU>
Date: Wed, 25-Mar-87 06:26:42 EST
Article-I.D.: ucbvax.18003
Posted: Wed Mar 25 06:26:42 1987
Date-Received: Fri, 27-Mar-87 00:44:04 EST
References: <1922@ihlpl.ATT.COM> <562@puff.WISC.EDU> <3972@fritz.UUCP>
Sender: usenet@ucbvax.BERKELEY.EDU
Reply-To: albert@ucbarpa.Berkeley.EDU.UUCP (Anthony Albert)
Organization: University of California, Berkeley
Lines: 8

Why is it that most intercoms and speaker phones are half duplex? They usually
require a push to speak button. Does anyone know of any intercoms which are
full duplex, i.e., both parties can speak at the same time with no button to
push?

				Anthony Albert
				..!ucbvax!ucbarpa!albert
				albert@ucbarpa.Berkeley.EDU