Other easy-dial products that you may find useful:

Prepaid Calling Accounts
Where? From the UK and directly from 42 other countries

Save money on international calls - Freephone 0800, and 0208 Local access, Can be used from UK and 42 other countries
Prepaid VOIP Account
Where? From anywhere
To use with your internet connection - cheapest service.
Call-back service
Where? From anywhere
If you are outside the UK and want to make your own cheap calls from landline or mobile
Chatline service
Where? In the UK 
How to use it? - just call 0872 3454345 and start chatting! Calls cost 10p per minute. Network extras apply. 18+. SP = easy-voip Ltd.