Telemarketing is a form of direct marketing that involves using telephone communication to promote products or services to potential customers. It typically involves a trained salesperson making calls to a targeted list of individuals or businesses, with the goal of persuading them to make a purchase or take a desired action. Telemarketing can be conducted through both inbound and outbound calls, and often utilizes scripts and persuasive techniques to engage and convert prospects into customers. While it can be an effective way to reach a large audience and generate sales, telemarketing has also been met with criticism for its intrusive nature and potential for deceptive practices.