AASTRA 4425 IP Vision for MD Evolution User Guide - Manual (Page 18)

Your Extension’s Accessories
MD Evolution – Dialog 4425 IP Vision 18
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Notes:
You can adjust your headset listening volume in the same
way that you would for your extension’s loudspeaker or
handset volume. See the “ Operations during a Call ”
section. Â
or
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When you are working with a headset, you may switch to
handsfree or handset mode by pressing the Handsfree key
on your extension, or by lifting the handset. To return to
headset mode, you must press your extension’s Headset
key once again.
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