Definitions for "On-hook dialing"
Keywords:  handset, lifts, caller, fax, dial
The ability to dial a remote fax or phone number without lifting the telephone handset.
Station user can dial a number and listen to the call's progress over the set's speaker, leaving the receiver on-hook until the call goes through and conversation begins.
The ability to dial numbers using the keypad on the fax unit without lifting the handset.