2001 - The Telecom Tutorials a Practical Guide for Managing Business Telecommunications Resources (Paperback) ISBN-13: 9781578200931 ISBN-10: 1578200938 Genres: Business & Money, Computers & Technology, Nonfiction, Engineering & Transportation ? 1997 - Telephony for Computer Professionals (Paperback) → Paperback ISBN-13: 9781578200078 ISBN-10: 1578200075 Genres: Computers & Technology, Engineering & Transportation ? The Telephony Book Understanding Systems and Services (Paperback) ISBN-13: 9781578200351 ISBN-10: 1578200350 Genres: Computers & Technology, Nonfiction, Engineering & Transportation 1 The Telephony Tutorials a Practical Guide for Managing Business Telecommunications Resources (Paperback) ISBN-13: 9781578200597 ISBN-10: 1578200598 Genres: Business & Money, Engineering & Transportation ? The Telecom Handbook (Paperback) ISBN-13: 9781578200719 ISBN-10: 1578200717 Genres: Business & Money, Computers & Technology, Engineering & Transportation, Politics & Social Sciences ? |