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From: romain@pyrnj.UUCP
Newsgroups: comp.dcom.telecom
Subject: Re: Phone Interfaces
Message-ID: <8709152213.AA03885@pyrnj.uucp>
Date: Tue, 15-Sep-87 18:13:32 EDT
Article-I.D.: pyrnj.8709152213.AA03885
Posted: Tue Sep 15 18:13:32 1987
Date-Received: Sun, 20-Sep-87 07:27:11 EDT
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: Pyramid Technology Corp, Woodbridge, NJ
Lines: 24
Approved: telecom@buit1.bu.edu

This question recently came up on Pyramid's internal network.  The most
attractive box was made by SpeechPlus in Mountain View, CA.

They call it a voice response system.  In brief, it can answer the
phone, transmit DTMF codes to a computer via an RS-232 port as ASCII
digits, receive ASCII text via the same port and send it back down the
phone line as high quality synthesized speech.

It includes such features as:
	XON/XOFF flow control or
	DTR/CTS flow control

	DTR supervision for incoming calls (raise DTR when a call
	comes in)

	Notification of an incoming call by sending digits to the
	RS-232 port (DTR is strapped)

	Flash-hook the phone line to transfer a call to a human
	being

	DTMF generation to make outgoing calls

List price is $3,900.