00800    a2200205   4500003000500000005001700005010001600022020002800038040000900066082001200075100002000087245006100107260003600168300003500204440004400239505022300283538003000506650003000536700002800566Nust20170207152512.0  a   99010794  a1580530230 (alk. paper)  cNust00a621.3851 aDaly, Edward A.10aVisual telephony /cEdward A. Daly, Kathleen J. Hansell.  aBoston :bArtech House,cc1999.  axvii, 278 p. :bill. ;c24 cm. 0aArtech House telecommunications library  aPART-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),  aAlmirah No.27  Shelf No.2 0aVideo telephone industry.1 aHansell, Kathleen Jane.