This does not affect operation. If the phone does not ring on your setup, this does not indicate a fault. Tested & working. Cable shows marks/discolouration.
Vintage BT Relate 250 Corded Telephone Green Classic Retro Desk Phone
NOS BT Relate 250 Corded Telephone In Burgundy Retro vintage
NOS BT Relate 250 Corded Telephone In Racing Green Retro vintage
BT Relate 250 Landline Corded Telephone Original Fully Working Green
Vintage 1990s BT Relate 200 Telephone With Loudspeaker And 10 Speed Dial Buttons
Vintage Retro BT Relate 100 Landline Telephone Working
