THIS IS A SCAM CALLER SHE / He says they are from AVA TRADES try and get you to set up account with them and once you do they have your full details and your bank details and they will ask you for £100 to deposit once you do that they will take all your money everything whats in your bank acount DO NOT FALL FOR IT totally a SCAM
I keep on getting calls from this number.... Also from similar no's with different last two digits. I know its a Cambridge area landline & im certain they're all scams.