How cheaper calls worldwide

Is it really possible to cheaper calls? The answer is in this article.
Telephony has grown considerably in recent years.
Especially since the advent of the Internet and discovering the TOIP (Internet telephony), it is now possible to call the unbeatable prices that no matter what you call a landline, cell phone or halfway around the world .
Cheaper calls with Internet telephony
VOIP (Voice over Internet) allows for a few years of free Internet calls from computer to computer.
Connection systems are different, no need to pay a telephone operator to join your party.
The famous Skype uses this particular system and now allows millions of people to speak and be free from Skype pseudonyms.
It also can call landlines or mobile phones at very affordable prices to all countries of the world.
It is without doubt one of the least expensive systems on the market.
Cheaper calls with prepaid cards
Yes indeed prepaid cards have been around a little longer now and are still essential, especially in countries where immigration has greatly expanded.
It is indeed a simple way to join family or friends back in his home country. However, new maps bloom every week.
And, apart from maps created by the major telecom operators, it is unclear whether the new cards are reliable in terms of operation and duration promised ...