When an incoming call arrives, the ringing is triggered respecting (for WiZiN Andrid version) the various Android settings such as:
- the selected melody,
- vibrate mode,
- the discreet mode,
- the loudness.
A. Caller identifier
This field is composed with
- the name if the phone number is associated with an existing contact,
- the phone number.
B.Incoming call indicator
C. Photo
The picture of the contact is displayed if exists.
Else the picture 
replaces the photo.
D. Speaker
This key is available before call connected to enable 
or disable 
the amplified listening.
E. Reject call
Rejct the incoming call and go back to the initial screen.
F. Accept call
Accept the incoming call, the screen “Connected call” is displayed.