Get the code of the number and you can work out which provider it is off, Orange, o2, etc. From here ring up, in a poshish accent (try non-welsh for best effect to make it appear out of town) something along the lines of:
"Hello, we (phone company) are carrying out a check of all of our customers records. It appears that we do not have all your details on file, could you please confirm your name / address"
"Hello, my name is Steve Urcle from Davidian Insurance, who am I speaking to please. We just got a missed called from your number and know we are calling u back".
PhoeniX wrote:Get the code of the number and you can work out which provider it is off, Orange, o2, etc. From here ring up, in a poshish accent (try non-welsh for best effect to make it appear out of town) something along the lines of:
"Hello, we (phone company) are carrying out a check of all of our customers records. It appears that we do not have all your details on file, could you please confirm your name / address"
Social engineering++
nice one dude, might not need to do it anymore but i still might do this tomorrow (or maybe thursday)
[color=red] . : [/color][size=85] You knows you knows [/size]