Voice over IP
A Discussion of Business and IT Challenges
By Arsalan H. Abbasi

Wesley J. Howe School of Technology Management
http://howe.stevens.edu

Table of Contents	2
Abstract	3
What is Voice over IP?	4
What is IP Telephony?	5
Voice over IP and IP Telephony Trends	6
Why this VoIP Trend?	8
The VoIP Challenges	11
The Technology Challenge	11
The Infrastructure Challenge	12
The Implementation Challenge	15
The Security Challenge	16
The Governance Challenge	19
The Bottom Line	21
Appendix A: What’s Hot, What’s not	22
Bibliography	23
About the Author	24

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