A replacement transparent PSTN line cable, also available in a choice of nine standard colours (black, brown, concord blue, elephant grey, green, ivory, lacquer red, dolphin grey and topaz yellow), the 2.3M replacement telephone line cable is compatible with all 700 series GPO/BT telephones, including GPO 706, GPO 710, GPO 740, GPO/BT 746, 756, 764, 772 X-Press Call Maker & Post Office Telecommunications 782 telephones.

Each PSTN cable terminates in four spade terminals with a square grooved rubber grommet fitting to hold it firmly in place to the telephone chassis and a BT 431A plug & socket fitting.  This line cable is NOT designed for use with GPO/BT Trimphones or BT/GPO 711 & 741 wall mounted telephones, these are available separately.