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I just heard beeps
They are EOS Solutions who collect debts.
Beware they are total underhand.
Do not give any details to them and request in writing first.
check out google for EON Solutions and you see the problems people have with them.
Also try a website like consumeractiongroup.co.uk for advice on how to deal wth them.
Writing this where I can as they have been rude to me recently and I am shocked companies like this arent being closed down (although looking at thier accounts they are apprently losing money for fun)

No idea. who is it ?