Time and date, Configuring time and date, Additional features – Aastra Telecom 53i IP Phone User Manual

Page 80

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Time and date, Configuring time and date, Additional features | Aastra Telecom 53i IP Phone User Manual | Page 80 / 102 Time and date, Configuring time and date, Additional features | Aastra Telecom 53i IP Phone User Manual | Page 80 / 102
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