This adds to the confusion, but it's really quite simple. Cheers Reply. You can unplug the jack for the line in question note that doing this unplugs your whole house from the phone company's network and plug a working phone into the jack instead. Do you think there may be trouble with wiring in phone box outside house? The fact is that small wiring jobs in your house or small business can be much easier than you'd expect, much easier than shelling out exorbitant hourly fees to the phone company. Attach the blue wire with white stripes to the red terminal screw on the phone jack.
Inside a Cordless Telephone.
How to Wire a Telephone Jack
This is a 1-line plug. Warning about an annoying feature of PayPal's page not my doing: How can this be? Your landlord may not want you to do the wiring for fear you don't know what you're doing; but the landlord may also object to picking up the tab if the phone company does the work. This color system actually extends up thru other colors to distinguish 25 different pairs, but even the most techno-geeky of us will probably never have that many phone lines in our homes.