700, 800, 900
Subtitle: the intelligent networks
By: authors, Bruce Kushnick, Mark Plakias.
Contributors: Plakias, Mark.
Edition: 3rd ed.
Publisher: Strategic Telemedia
Published: 1990
Place of publication: New York, NY (PO Box 1162, Old Chelsea Sta., New York 10011)
Language: eng
Number of pages: 223
Subjects: Toll-free telephone calls -- United States.; Pay-per-call telephone services -- United States.; Value-added networks (Computer networks)
Other titles: Seven hundred, eight hundred, nine hundred.