A telephone part is a component of a telephone that helps it to function. The MOUTHPIECE, also known as the transmitter, is a 10-letter part that converts sound into electrical signals. The CORD is a 4-letter part that connects the telephone to the wall outlet. The HANDSET is a 7-letter part that includes the MOUTHPIECE and RECEIVER in one unit. The RECEIVER is an 8-letter part that converts electrical signals into sound. The CRADLE is a 6-letter part that holds the HANDSET when not in use. The DIAL is a 4-letter part that is used to enter numbers. The keypad is a 4-letter part that is used to enter numbers on modern phones. The HANDSET is a 5-letter part that includes the MOUTHPIECE, RECEIVER, and keypad in one unit.