September 2004

FEATURES
The Battle rages: IP Centrex Versus IP PBX
BY CHRISTOPHER LABRADOR

VoIP Enabled PBX Versus IP Centrex...Is there a Correct Choice?
BY RAY KRISS

Achieving Payback on your VoIP Investment
BY MICHAEL BURRELL

The Rise of Open Systems in Network Management and Design
BY STEPHEN B. JOHNSON

Planning for Voice on IP Networks
BY TRACY VENTERS

Presence in Mobile VoIP Networks
BY ALEX SHNEYDERMAN

Migrating from TDM to IP
BY BROUGH TURNER

PUBLISHER'S OUTLOOK
VoIP: Information Technology's Saving Grace?
BY RICH TEHRANI
Related: Consumer VoIP Growth to Approach 80%

THE VoIP AUTHORITY
Our 75th Issue
BY GREG GALITZINE

COLUMNS
Mind Share 2.0: It's Time to Start Competing on Value, Not Price
BY MARC ROBINS

Inside Networking: Is Instant Messaging the Solution?
BY TONY RYBCZYNSKI

Regulation Watch: VoIP: The FCC Should Run the Show
BY JOHN CIMKO

WiFi Telephony: Wireless VoIP - The PDA Challenge
BY RICHARD WATSON

TMC Labs
xVox SOHO Broadband Solution

RADCOM Performer


DEPARTMENTS

CEO Spotlight: Hughes Software Systems

Case Study: Designing and Managing IP Networks for Voice

Special Focus: Hooray for Hollywood! Internet Telephony EXPO Preview

Special Focus: IP Conferencing

Special Focus: VoIP Developer Conference Wrap-up

Industry News On TMCnet.com