Guys,
i've started an e-petition to try and stop DCA's and Collections departments calling on withheld numbers or "Spoofed" numbers. It also includes a bit about preventing those agencies from penalising people who refuse to give out personal information over the telephone
I hope this is useful. the link is below
https://www.change.org/en-GB/petitions/vince-cable-stop-companies-calling-anonymously-or-from-spoof-mobile-or-local-telephone-numbers-and-prevent-them-penalising-people-for-not-giving-out-personal-details-over-the-telephone#share
Many thanks