Plantronics M22 - Manual (Page 11)

11
MutING a CaLL
To turn on the mute,
press the Mute Button to
show the green indicator.
To turn off the mute,
press the Mute Button
again.
MaKING aND reCeIVING CaLLs WItH tHe HaNDset
To turn off the headset,
press the Handset/Headset
Button to show the black
indicator.
Use the handset and
telephone to make
your calls.