A telephone cord can also be referred to as a phone cable, phone wire, telephone line, or handset cord. These synonyms all describe the same item that connects a telephone handset to the phone jack in the wall or base. It is typically made up of copper wires that transmit electrical signals and a plastic coating that protects the wires from wear and tear. While these synonyms can be used interchangeably, some may vary depending on the style or size of the cord. Regardless of the name, the telephone cord is a crucial component in connecting individuals over the phone, providing means of communication across the world.