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3 turn the microphone on/off during a call – AASTRA DT4x3 for BusinessPhone User Guide EN User Manual

Page 40

3 turn the microphone on/off during a call | AASTRA DT4x3 for BusinessPhone User Guide EN User Manual | Page 40 / 96 3 turn the microphone on/off during a call | AASTRA DT4x3 for BusinessPhone User Guide EN User Manual | Page 40 / 96