Ok I found a good prank and I believe it will be useful!
Stage 11: Hello. This is Helen Wilson.
OR2: Hello. My name is Helen Wilson.
Stage 2I'm calling from the Pornography Industry Censure Control Institution.
Stage 31: We've noticed a high number of visits to
**** and related websites connected to this telephone number.
OR2: We call to investigate when we notice a high number of Pornography related activities online connected to a personal phone number.