July 1999

ARTICLES
Customer Considerations
When Choosing A VPN Solution
By Phil Saunders, Information Resource Engineering, Inc

Industrial Computers: From
Auto-Assembly Lines To Phone
And Internet Lines
By Ron Groen, Texas Micro, Inc..

Compatibility Testing Protects
Customers And Suppliers (sidebar)
By Don Howell, Industrial Computer Source

Making Voice Fit Into The
Data Network Puzzle
By Graham Davies, Mapletree Networks

Is IP Telephony Too Much
To Process? (sidebar)
By Misha Nossik, Solidum Systems Corp.

Version 3 Of H.323: Will It Answer The Interoperability Call?(side bar)

The Role Of Layer 3 Switching In Telephony Grade Campus/LAN Infrastructures
By Tony Rybczynski, Nortel Networks

COLUMNS
Mind Share
IP Breathes New Life Into The
Traditional PBX Market
By Marc Robins, Associate Publisher, Internet Telephony�

Reality Check
Hacker Attack. Are You Next?
By Robert Vahid Hashemian

Industry Insight
IP Telephony Building Blocks
By Laurence J. Fromm, Dialogic
Corporation

VoIP Connections
VoIP: The Opportunity 32
By Lior Haramaty, VocalTec Communications

Roundup
Virtual Private Network Solutions

PRODUCT REVIEWS
Sorenson Vision EnVision

Internet Magic Legacy
2000/3000 Series

Polycom, Inc. ViewStation SP

DEPARTMENTS
Industry News

Letters

Services

Round Table