Table of Contents / xiii

Maintaining security 238

Accessing Norstar remotely over the public network 239 Tones 239

Using Class of Service (COS) passwords 240

General System features 243

Disconnect supervision 243

Hunt Groups 243

Internal numbers 243

Line assignment 244

Target line 244

Line pools 245

Overflow call routing 245

M7100 and T7100 telephones 245

Memory buttons 246

One-line display 246

Prime line 247

Private lines 247

Volume bar 247

Troubleshooting 249

Using the alarm telephone 249

Reporting and recording alarm codes 249

Testing the telephone 249 Testing the telephone display 250 Testing the telephone buttons 250

Testing the speaker in the telephone handset 250 Testing the telephone headset 251

Testing the telephone speaker 251

Testing the power supply to a telephone 251

Common feature displays 253

Index 257

Backup programming overlays 277

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Compact ICS 6.1 System Coordinator Guide

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Nortel Networks 6.1 manual General System features, Troubleshooting, Common feature displays Index