Testing your phone, Testing the telephone's lights and display, Basic troubleshooting chart – Avaya 4621SW IP User Manual

Page 82: Testing the telephone’s lights and display

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Testing your phone, Testing the telephone's lights and display, Basic troubleshooting chart | Testing the telephone’s lights and display | Avaya 4621SW IP User Manual | Page 82 / 92 Testing your phone, Testing the telephone's lights and display, Basic troubleshooting chart | Testing the telephone’s lights and display | Avaya 4621SW IP User Manual | Page 82 / 92
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