When you get rid of them eventually they will continuously call you.
I repeated what I heard on here and subsequently got told they would remove my details.
Conversation went like this:
"hello sir i am calling from shitanta sports"
me "........"
"I am here to offer you a wonderful deal"
"........."
"We can offer you shitanta for 6.99 a month! Thats right 6.99"
"......."
"well Sir?"
"Have you stopped showing Manchester United games?"
Him ".........."
"I got sick to death of paying 14 pound a month to see the featured game weekly was Manure, if I wanted to watch a bunch of arseholes I would get tickets to see Elton John."
"......."
"We will remove your details from the system sir."