These telephones have no means of dialing a number and are for use in conjunction with other equipment, such as a suitable PABX with hot-line facilities, or as answer-only phones for use, say, in public places. They have a 2-wire connection (with electronic characteristics exactly as a normal telephone), ringer volume control, NO keypad, are directly wall mountable. They are available in bright red or light grey.
Dimensions: 222 ×73 ×68mm.