Handset

Woman using a telephone handset

Early 20th century candlestick telephone with receiver-only handset

On a wired telephone, the handset is a device that a user holds to the ear to hear the audio sound through the receiver. Since the 1920s, handsets usually also contain the phone's transmitter (microphone) which is positioned close to the mouth. In earlier telephones the transmitter was mounted directly on the telephone itself, which often was attached to a wall at a convenient height.

A handset with transmitter and receiver in one unit is also called a transceiver.

Until the advent of the cordless telephone, the handset was usually wired to the base unit, typically by a flexible tinsel wire.

A cordless telephone uses a radio transceiver as its handset, and a radio transceiver, wired to the telephone line, as a base station. In a mobile telephone, the entire unit is usually a radio transceiver that communicates through an outdoor base station located at a cell site. Some mobile telephones that can be carried in cars, trucks, and buses look exactly like household telephones, except that their bases are usually screwed or bolted to the interior of the vehicle.

Handset symbol

Handset symbol is used on cordless and mobile phones to specify placing or ending the call. Usually button with green upright handset icon

is used for starting a call, and red lying down handset

is used for ending a call.^[1] Unicode has U+1F4DE 📞 TELEPHONE RECEIVER symbol.

See also

• Headset (audio)

References

1. Lindholm, Christian; Keinonen, Turkka; Kiljander, Harri (2003-06-22). Mobile Usability: How Nokia Changed the Face of the Mobile Phone: How Nokia Changed the Face of the Mobile Phone. McGraw Hill Professional. ISBN 9780071429108.

• http://www.telephonymuseum.com/telephone%20history.htm