"Changes to services and pricing
We are making some changes to our prices and products. These changes are summarised below:
October 2011 changes
From 1st October, TalkTalk Line Rental will be £13.80 per month. Click here to find out more about our new product, Value Line Rental service. This could save you over £51 a year!
From 1st October, the charge for receiving paper bills will increase to £1.90 per month. However you could avoid this charge and save over £22 a year by opting for free online billing instead. Signing up is easy, just go to talktalk.co.uk/myaccount.
From 1st November, Call Return and Voicemail Call Return will both increase to 20p per call and Speaking Clock will be 50p per call. "
https://sales.talktalk.co.uk/pricing/info/pricing-notification