The authorities in uk have announced that they will make it much easier for fines to be imposed on companies who cold call. It will most likely be enforced to target the big offenders. However. Be careful out there. If anyone deems you to be a nuisance then they could easily report you. This also stretches to people sending text messages/SMS for marketing purposes. Fines can be up to £500,000. Just be careful about how you're doing your offline methods from now on people. If you use SMS and cold calling. It would be worth reading up on the changes and the law. Just a heads up.