BATES J.B. AND GREGORY D.W. VOICE AND DATA COMMUNICATION HANDBOOK 4TH ED. Textual Documents - 20-08-2003 - TATA MCGRAW HILL - XXIII/1074 6268 ISBN: PB Subjects--Index Terms: VOICE NETWORK (B.E.) Dewey Class. No.: 005.71 / BAT / GRE