Table of Contents / ix

Run/Stop 183

Wait for Dial Tone 184

Using pulse dialing for a call 184

Using your Norstar system from an external location 184 Controlling access to your Norstar system 185 Direct inward system access (DISA) 185

Class of Service (COS) 186 Maintaining security 186

Accessing Norstar remotely over the public network 186 Tones 187

Using Class of Service (COS) passwords 187 Changing your Class of Service 188

Programming Automatic Time and Date 189

General System features 191

Set profile 191

Line profile 191

Pulse or tone dialing 191

Disconnect supervision 192

Hunt Groups 192

Internal numbers 192

Line assignment 192

Target line 193

Line pools 194

Overflow call routing 194

M7100 telephone 194

Memory buttons 195

One-line display 195

Prime line 196

Private lines 196

Volume bar 196

Wall mounting 197

Troubleshooting 199

Using the alarm telephone 199

Reporting and recording alarm codes 199

Testing the telephone 199

Testing the telephone display 200

Testing the telephone buttons 200

P0881591 Issue 01

Modular ICS 4.0 System Coordinator Guide

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Nortel Networks Modular ICS 4.0 manual General System features, Troubleshooting