SWITCH OFF / TURN OFF
wait
HOLD ON / HANG ON
SPEAK UP
PUT (A CALL) THROUGH
talk louder
HANG UP
answer a call, lift the receiver to take a call
GET OFF (THE PHONE)
put the receiver down
connect one caller to another
CALL BACK / GET BACK TO (SOMEONE)
GET THROUGH
stop talking on the phone
PICK UP
return someone’s call
to be connected to someone on the phone
deactivate (a mobile phone)