Table of Contents:

Definition and Overview

1. Introduction

2. Why Fax Testing Is Necessary

3. Fax Operation Overview

4. Basic Fax System Structure and Process

5. Message Repetitions and Time-Outs

6. Fax System Test Issues

7. Network Test Issues

8. Common Deviations from ITU Standards

9. Fax Testing Customer Types

10. Fax Testing Application Areas

11. Conclusion

Self-Test

Glossary

PDF of this tutorial

Definition
The continued proliferation of fax-based products and services, particularly those products and services that will use Internet-protocol (IP) networks and the Internet—along with voice-based services—creates a growing need for fax testing. Fax systems and fax networks must be tested for standards compliance, network performance, and troubleshooting.

Overview
This tutorial explores in detail the intricacies of fax operation and testing issues and emphasizes the need for standards compliance.