Skype is a real market leader with over 100 million customers accross the world. It offers Skype in, Skype out, voice  mail and even the ability to earn money  via your skype control panel. Click on the link to learn more  about

Popular in the US Vonage is also available in the UK. It offers a range of voice over IP services  and great call rates. Now  approching the end of its costly legal battles. This service is very comprehensive and gives line quality to rival normal phone lines. All this will some great cost savings ranging from ulimited UK calls to unlimited landline calls to 25 other countries and very good call rates to mobiles. To find out more click the following link Vonage VOIP.

Tesco internet phone service allows you make calls from your computer.It is ISP independant and Its ease of install and competitive call costs are very attractive. You get a free number and free voicemail with purchase. The only question is whether they can attract customers from the already established suppliers. Click here to find out more about the tesco service

Voiptalk is a subscription based service from one of the leading UK and European VoIP providers. Calls to UK landlines are included with this service and all same service calls via the voip network are free. Click here to find out more about the Voiptalk service.

BT offer FREE evening and weekend calls to UK landlines, cheap calls to UK, international and mobile numbers all with high definition sound (Hi-dS) capability. Their  two low cost calling plans give you great UK call rates and international calls to 56 countries from just 1.25p a minute. To  find out more click here