Business Telecom Systems —— A Guide to Choosing the Best Technologies and Services

----- 商业电信系统

ISBN: 9781578200412 出版年：2000 页码：443 Peterson, Kerstin CRC Press

For anyone involved in buying and managing telephone systems, this book brings clarity to the confusing array of products and services (like voicemail, interactive voice response, fax-on-demand, T-1, DSL, etc.). The author explains how each technology works, and what its practical applications are, so readers can choose the best systems and service