present participle of call up

Alternative spelling of calling card

A small printed card which identifies the bearer, traditionally presented for introduction when making a social visit to a home or when attending a formal social event or business meeting.

The practice of making unsolicited telephone calls or house calls to potential clients, voters or other groups in order to drum up custom or investigate intentions

plural of call stack

Alternative spelling of cold calling

A call between more than two people; teleconference.

plural of conference call

Alternative spelling of house call

plural of call centre