Redialing the last number
Press the Multi-Function button. When you release the button, the phone dials the last dialed or received number.
Depending on your phone, how to redial the last number may vary.
Ending a call
Press the Multi-Function button.
Answering a call
When a call comes in, the headset sounds the ring tone and flashes the blue indicator twice. Press the Multi-Function button.
Do not hold the Multi-Function button down too long when redialing the last number, ending, or answering a call. This should only be a quick tap.