Does anyone know how much they charge for the above please?
I've looked on their website, but it doesn't give a price.

Ta

From the website : Chargeable call features cost £1.75 per feature

£1.75 per month incl. VAT.

http://www.ntl.com/home/telephone/pdf/TelcoTariff.pdf (page 3)

Thanks

my neighbour called them and told them he can get it free from BT, they gave it him free for 12 months, try it

Thanks I'll give that a try