As the tables, below, show, landline call costs have more than tripled since then, while in most cases mobile phone users again pay even more.

Customers pay up to 3.60 for a 20-minute landline call, or 10.40 on a mobile, even though most insurers have free or local-rate numbers.

The fixed-cost part of a landline call will change from 17.07p to 19p, up 11.3 per cent.

The vast bulk of communication happened in person, by post, or on a landline call.

The 22-year-old law student picked up a landline call from an unknown number.

And the noise of a landline phone was constantly heard during night filming - despite there not being one in the house.

He steps behind the desk to try the landline phone but doesn't know the code to dial out.

He has made broadband access free with his landline phone service - and has a dig at other broadband providers for making too much profit.

Traditional premium-rate numbers that you would call from a landline phone begin with '090'.

It meant abandoning the landline phone in the lounge - and losing contact with his family, who began to fear the worst.

During the test session, the subject was videotaped continuously sitting by a landline telephone.

Six per cent of homes do not have central heating and eight per cent do not have a landline telephone.

This has decimated the landline telephone industry as more and more consumers rely entirely on their mobile phones and voice-over-internet providers.

It offers mobile, television and landline telephone services.

Always check any new website you're buying from has a proper address and landline telephone number.