Pbx Systems for IP Telephony, Migrating Enterprise Communications

by Allan Sulkin

Book Overview

This work explains telephone switching systems and how the technology is evolving to accommodate voice-over-IP traffic. Unlike data networks, telephone networks are proprietary. They're purchased as... This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 0071375686
• ISBN13: 9780071375689
• Release Date: May 2002
• Publisher: McGraw-Hill Companies
• Length: 487 Pages
• Weight: 2.35 lbs.
• Dimensions: 1.3" x 7.4" x 9.2"