Pretty sure this is a scam. Said she (Indian??? Accent) was from O2 but when I said I was too ill to talk she asked me if there was anyone with me. Told her yes, My husband and she asked to speak to him. I questioned this as I am the one who has an O2 contract not him. After seeming rather surprised when I told he I had a contract she asked if there was anyone else in the household who would be interested in one too. I hung up