In message , Wanderer
writes
On Sat, 11 Dec 2004 16:39:23 -0000, Blair Malcolm wrote:

This may not be the correct news group to ask this question but does anyone
know how I can prevent these frequent and tiresome Spam calls?

Yup, google for "telephone preference service" and give them a bell.
Haven't had any unwanted 'phone calls for years now.

Registered with TPS the day after it started, re registered twice, still
getting junk calls.

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bof at bof dot me dot uk