aStatus bar

bHorizontal scroll bar. Displays the current level.

cMenu soft key

dCalls soft key

eContacts soft key

fLevel soft key

gAutomatically generated label for a function key that has a function assigned to it (in this case: speed dial to internal phone number 223)

hEmpty area, used to display other function keys

iDisplays the subscriber name, as set in Settings > Identities > Display name.

jSystem icons display: Functions have been enabled by selecting Settings > Telephony.