Visual telephony /
Edward A. Daly, Kathleen J. Hansell.
- Boston : Artech House, c1999.
- xvii, 278 p. : ill. ; 24 cm.
- Artech House telecommunications library .
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),