BT now offering Unlimited 24/7 01/02 Calls for £4.47p a month !!!

If you sign up to a 12 Month Contract on their 24/7 inclusive Geographical Calls Bundle. You get the first three months free then you pay £5.95p a month for 9 months this averages out at approximately £4.47p a month.

http://www.productsandservices.bt.com/consumerProducts/displayTopic.do?topicId=23736

"3 months free UK1 Anytime calls

Get all your UK landline calls included, any time of the day, any day of the week with our Anytime Plan – BT Together Option 3.
Sign up now on a 12 month contract and you'll receive the first 3 months free2, worth at least £17.85 – all you'll pay is your standard line rental.
And you get up to 33% off call rates to mobile phones, with calls from just 5p a minute (6p set-up fee)."