Features
- Cover Type: Hard Cover with 182 pages
- Published by: Artech House Publishers March 2003
- Written in: English
- ISBN 10 Number: 158053497X
- ISBN 13 Number: 978-1580534970
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Book Dimensions:
9.1 x 6.4 x 0.7 inches
- Weighs: 14.9 ounces
Product Description
If you have the responsibility to design, upgrade and manage data networks to carry IP Telephony (voice, video and data); need help in evaluating competing IP-Centrex and IP-PBX systems; or need guidance in specifying the parameters for a service level agreement for IP-Centrex, this unique reference provides you with the knowledge you need to get the job done right. It enables you to more accurately estimate the time and resources needed to implement IP Telephony in your organization. The book describes the IP-Centrex option of having the telephone company take responsibility for the service delivery and offers the kind of information service providers need to improve marketing and sales campaigns for IP-Centrex services.
This unique resource helps you present your companys telecom capabilities, and offers a better understanding of the pluses and minuses of competitive sales presentations. It includes summary descriptions of 14 IP telephony systems on the worlds market, while clearly identifying the advantages and disadvantages of IP-Centrex. There are detailed financial analyses of three realistic case studies, together with descriptions of how Centrex is used in various organizations.
About The Author
John R. Abrahams is a senior consultant with Unis Lumin in Oakville, ON, Canada. He received his M. Sc. in computer systems from Trinity College, Dublin, Ireland. He is also the author of Managers Guide To Centrex (Artech House, 1988).
Mauro Lollo is the vice president and chief technology officer at Unis Lumin, Inc. in Oakville, ON, Canada. In addition to co-founding Unis Lumin, he provides consulting services for major clients and is a sought after speaker on the topics of telecom and computing technology.
Reader ReviewsHow do you write a book on something that doesn't exist yet? That's the dilemma facing John Abrahams and Mauro Lollo, authors of Centrex or PBX: The Impact of IP. They believe IP-Centrex will account for 50%-80% of business lines within the next ten years. But so far it has been deployed only in a few very limited trials.... Nonetheless, Abrahams and Lollo have written a compact, thoughtful, and comprehensive manual on what is known so far about this new service.....