Advice for users, Care of the telephone, Troubleshooting – Siemens OptiPoint 410 User Manual

Page 99: There is no response after a key has been pressed, No ringing tone when an incoming call is received, You cannot dial a number, The time shown on the display is not correct, All other faults, Care of the telephone troubleshooting

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Advice for users, Care of the telephone, Troubleshooting | There is no response after a key has been pressed, No ringing tone when an incoming call is received, You cannot dial a number, The time shown on the display is not correct, All other faults, Care of the telephone troubleshooting | Siemens OptiPoint 410 User Manual | Page 99 / 108 Advice for users, Care of the telephone, Troubleshooting | There is no response after a key has been pressed, No ringing tone when an incoming call is received, You cannot dial a number, The time shown on the display is not correct, All other faults, Care of the telephone troubleshooting | Siemens OptiPoint 410 User Manual | Page 99 / 108
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