transfer of your fund

i received a sms on the 2012/01/22 that my mobile won 995000 pounds in the 2012 coca cola new year draw & they gived to me personal identification number ccc-116520 this quote in the subject of every correspondence.
i send my personal information to coca-cola live my in service is mrs:grace delham(claim agent) in the coca cola live . finally last email from them to me i have to pay 800 pounds to them cashier until the societe generale bank transfer my fund to me .
is it really?