Millions of people are signed up to a system designed to stop unsolicited sales and marketing calls, but some are still receiving up to 10 calls a month, consumer group Which? says. It said it had heard about people being called by many different companies. Companies are legally required not to call domestic numbers registered with the Telephone Preference Service (TPS). The organisation that runs the service said that it acted on every complaint. Firms should also avoid selling or marketing goods and services to those on TPS list.

'Computer error'
Sheila Clark, who is 84 and has Alzheimer's disease, said she was being called up by firms on a daily basis, despite being registered with the TPS......Read more HERE