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7 abbreviations and glossary, 8 functions and accessories – AASTRA DT4x3 for BusinessPhone User Guide EN User Manual

Page 16

7 abbreviations and glossary, 8 functions and accessories | AASTRA DT4x3 for BusinessPhone User Guide EN User Manual | Page 16 / 96 7 abbreviations and glossary, 8 functions and accessories | AASTRA DT4x3 for BusinessPhone User Guide EN User Manual | Page 16 / 96