The condition that results when a hookswitch opens to halt access to the circuit When your telephone is not being used, and it is ready to ring if someone calls See also off hook
1 The condition that exists when a receiver or handset is resting on the hookswitch 2 The idle state (open loop) of a single telephone or private branch exchange (PBX) line loop
A line voltage condition caused when the receiver or handset is resting on the hookswitch A traditional PBX or local telephone company recognizes this condition as an idle state
When the phone handset is resting in its cradle The phone is not connected to any particular line Only the bell is activei e , it will ring if a call comes in Opposite of Off-Hook
[ 'on, 'än ] (preposition.) before 12th century. Middle English an, on, preposition & adverb, from Old English; akin to Old High German ana on, Greek ana up, on.