Table 2: Keys of the Handset
Return to the previous step in
a menu;
Switch your handset off (long
press)
Switch your handset on.
Used to go off hook and initiate
enquiry using hands free.
Used to access main menu items.
Long press the SOS key to make an
emergency call (if configured).
To increase the handset volume.
Decrease the handset volume.
Use 1 – 9 to
Insert a digit in a number;
Insert a character;
Select a Speed dial number
Use 0 to
Insert a 0 in a number;
Insert a character.