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8 settings menu, Figure 12: settings menu – AASTRA DT690 for BusinessPhone User Guide EN User Manual

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8 settings menu, Figure 12: settings menu | AASTRA DT690 for BusinessPhone User Guide EN User Manual | Page 29 / 127 8 settings menu, Figure 12: settings menu | AASTRA DT690 for BusinessPhone User Guide EN User Manual | Page 29 / 127