Greetings from France,
Father Christmas has brought us a British cordless telephone with headset --- but lacking its power brick (since wrong plug for France).
To set up a European power supply, I need to learn the polarity of the DC power.
Here's the appearance of the plug to the power inlet for the telephone: (use a constant width font)
-----------\ =======| | -----\ / || || || || = =
Please tell us the British inside / outside polarities.