had some dude call my phone (wrong number) that went soething like this:

me: "hello?"
him: "yeah, is stephany there?"
me: "who?"
him: "stephany... is she there?"
me: "dude, you got the wrong number"
him: "is this xxx-xx??"
me: "yeah, xxx-xxxx. is that the number youwere trying to call?"
him: "yeah..."
me: "well, no stephany here... is that the number she gave you?"
him:"yeah..."
me: "well she gave you a fake number"
him: "oh... ok."