The free service providers are generally for promotion of a particular service. Once the time period is over you need to pay for the service. This is the scene with the free conference calling services. Hence if you totally rely …

Tele-conferencing had taken the world so well that there are now provisions that you can make a conference call for free. So if you have friends and family far off in say Korea, you can talk to all of them, …

Cheap is generally a relative term, a particular amount, say$50 can be cheap for some and expensive for some. Hence the tariffs that claim to be cheap are also relative to people. Hence the best thing that would be unanimously …