Caller-id meaning

kô'lər
A telephone service that provides for subscribers the name and telephone number of a caller, which appear on a display as the call is being received.
noun
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A telephone service that identifies the origin of an incoming call by displaying, as on a cell phone screen, the telephone number or name of the caller.
noun
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A telephone company service that sends the caller's telephone number between the first and second ring of the call. If the calling number is not blocked, the calling number is displayed on the handset or base station of the called party. This is one feature within a set of services called Custom Local Area Signaling Services (CLASS). See ANI and CNAM.
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Synonymous with calling line identification (CLID) and calling numberdelivery. See CLID.
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