Is there technology available to for businesses to block telemarketing calls?

Answer 1

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In the UK, there is a Telephone Preference Service to block out telemarketing calls. Works for domestic and corporate. This is the link to the Corporate website:

http://www.tpsonline.org.uk/ctps/what/

The domestic one has worked a treat for me at any address I've used it at.

Source(s): http://www.tpsonline.org.uk/ctps/what/