Press the ON/OFF button . If you have a lifter or EHS cable, the line will automatically connect (proceed to step 4).
Press the headset button on your phone if one is available. If not, lift up your handset and place it on the desk.
Dial the number you want to call.
To end the call: place the headset on the charging base or press the ON/OFF button . If you have a handset lifter or an EHS cable, the call will automatically disconnect. If not, then manually hang up the phone.