InterSession Web Gateway

Say Goodbye to ...

TN3270 clients & middleware,
TN3270 admin & support overhead,
TN3270 interdepartmental logistics,
TN3270 security vulnerabilities,
and more,
with InterSession Web Gateway Mainframe based 3270 Emulation
  • No installation or support required outside the mainframe
  • Securely delivers 3270 screens as HTTPS web pages simulating true 3270 TE functionality
  • Standard web browser is the client - no plugins or middleware
  • Free iPad & Android Apps for best Tablet UX
  • Significant savings over TN3270 Emulators
Web Gateway Introductory Guide

Over 40 Years of Mainframe Solutions

About Data 21


Data 21 Inc. is a privately held veteran owned California Corporation. Since inception in 1980, our mission has been, and continues to be, delivering innovative, high quality, cost effective mainframe centric software solutions that empower Business' and enrich End-Users in the workplace. We pride ourselves on excellent product and customer support satisfaction ratings, and the fact that our products have become trusted integral daily production necessities at hundreds of mainframe installations around the world.

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