A replacement black trimphone PSTN line cable, available in a choice of four standard colours (black, concord blue, lacquer red and light grey), the 2.3M replacement telephone line cable is compatible with all 700 series GPO/BT trimphone telephones.

Each PSTN cable terminates in four spade terminals with a small square grooved rubber grommet fitting to hold it firmly in place to the trimphone telephone chassis and a BT 431A plug & socket fitting.  We also stock the corresponding PSTN line cable in the same colour.

This trimphone line cable is NOT designed for use with GPO/BT 706, 711, 741 or 746 telephones, these PSTN line cables are available separately.