VCO/4K ISDN Supplement

• PDF Copy of the Cisco VCO/4K ISDN Supplement

• Preface

• Introduction

• System Administration Support

• ISDN Processing Overview

• Call Examples

• Non-Facility Associated Signaling (NFAS)

• Valid Information Elements for I FLD and D FLD Action Tokens

• Cause Information Elements

• D-Channel Backup Processing