In the patents related to these devices, Talking Caller ID Paraskevakos also proposed to send alphanumeric hookup to the receiving apparatus, such as the caller's name, and also to make feasible banking by telephone. He also proposed to identify the calling telephone by special code (e.g., "PF" for civic phone, "HO" for internal phone, "OF" for office phone, "PL" for police).

Some cell phone providers used the caller ID to automatically connect to voice mail when a call to the speech mail number was make-believe from the associated cell phone number, bypassing the need to enter a password