Press and hold the GREEN button on the Easydrive unit for 2 seconds. Then the call history is displayed. Select the number you want to call.
Dual call:
A 'beep' is played for the second incoming call.
Push the red button to pick up the second incoming call. The first call is put on hold. Push the red button to hang up the active call, and get back to the first call.
You can also manage the two calls from your phone, and switch between the calls.