Daly, Edward A. creator Hansell, Kathleen Jane. Boston Artech House c1999 xvii, 278 p. : ill. ; 24 cm. PART-1 Getting Started With Visual Telephony (Page-1),PART-2 Applications and Typical Installations Page-19), PART-3 Equiment and Environment (Page-67),PART-4 Networking (Page-141),PART-5 Financial Analysis (Page-205), Edward A. Daly, Kathleen J. Hansell. Almirah No.27 Shelf No.2 Video telephone industry 621.385 1580530230 (alk. paper) 99010794 20170207152512.0