I have a BT 1100 telephone and when trurning on BASE 1 is flashing. I tried to reset the handset but after reseting nothing changed. As well I cannot access SETUP as it is unabible.
Get in touch with BT www.bt.com and they will give you a help number. If you have the user guide it is usually in the back of the book they can then tell you what the problem is.
Retired BT engineer
bob
September 2012
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