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A handset is a component of a telephone that a user holds to the ear and mouth to receive audio through the receiver and speak to the remote party using the built-in transmitter. In earlier telephones, the transmitter was mounted directly on the telephone itself, which was attached to a wall at a convenient height or placed on a desk or table. Until the advent of the cordless telephone, the handset was usually wired to the base unit, typically by a flexible tinsel wire.
The handset of a cordless telephone contains a radio transceiver which relays communication via a
is used for starting a call, and a red lying-down (on-hook) handset 
is used for ending a call. Unicode provides the symbol.
A handset is a component of a telephone that a user holds to the ear and mouth to receive audio through the receiver and speak to the remote party using the built-in transmitter. In earlier telephones, the transmitter was mounted directly on the telephone itself, which was attached to a wall at a convenient height or placed on a desk or table. Until the advent of the cordless telephone, the handset was usually wired to the base unit, typically by a flexible tinsel wire.
The handset of a cordless telephone contains a radio transceiver which relays communication via a base station
Base station (or base radio station) is – according to the International Telecommunication Union's (ITU) Radio Regulations (RR) – a "land station in the land mobile service."
The term is used in the context of mobile telephony, wireless com ...
that is wired to the telephone line. A mobile phone does not require a base station and communicates directly with a cell site
A cell site, cell tower, or cellular base station is a cellular-enabled mobile device site where antennas and electronic communications equipment are placed (typically on a radio mast, tower, or other raised structure) to create a cell, or adjac ...
in designated frequency bands.
Handset symbol
A graphic symbol that designates a handset is used on cordless and mobile phones to specify placing or ending a telephone call. Usually a button with green upright (off-hook) handset icon is used for starting a call, and a red lying-down (on-hook) handset is used for ending a call. Unicode provides the symbol.
See also
* Headset (audio)References
Telephony equipment * {{cite book, author=Sajal K. Das, publisher=John Wiley & Sons, date=April 2010, title=Mobile Handset Design, url=https://books.google.com/books?id=AylGzU3yOE4C, isbn=978-0-470-82467-2