8
Programmable kkeys aand iicons
Depending on the software release installed on your terminal, you have 4 or 5
preprogrammed keys and 19 or 20 keys w
which ccan bbe pprogrammed by yourself or
by your installation technician:
• to call an internal or external number directly
• to access a function.
Multi-line terminals have at least two line keys.
These keys correspond to call or function icons.
Software release R2
Software release
≥
R3
ISDN
ISDN
Call icons
Function icons
Programmable and
preprogrammed keys