Every 6 th second the display flashes HS - 1 and the above antenna-symbol. And when you try to enter a number the display erase all within 6 seconds. If you try to push the call-button it sounds "BIB-BIB-BIB", but if you try a lot of times you might get lucky and get a dial-tone, and then you can call - without problems! If someone calls the handset doesn't ring, but the base does - until after 30 seconds, then the handset rings as well.The phone used to work without problems for almost 2 years, but can you tell me what's going on?
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