VOIP is Voice Over Internet Protocol, it mean we can transfer voice between 2 party using Internet protocol network. So if minimum 2 computer have Internet connection, then they can talk each other using Internet connection. VOIP become more popular when it can use to make a phone call to home phone and cellular phone, it significantly reduce the cost of phone call. Skype is one of VOIP provider who can deliver phone call from computer to home call.
Using Skype to make a phone call from computer to computer is free of charge. To start using Skype, we have to download Skype software from www.skype.com, better using the latest version of Skype to get better connection. After downloading and install to computer, we have to register for Skype account. This Skype account will use to run all feature from Skype software. To talk free to other computer, they also have to install Skype and create account to their computer. Then add each username at each computer, after that both computer can start communicate with voice or message chat.
Beside can be use for communicate between computer, Skype also can use to make a phone call from Skype to regular home phone or cellular, but for this feature we have to pay very cheap payment. How to do this? Easy, just install the Skype and create an account at our computer. Then open from Skype website to buy voucher with minimal amount is US$10. This amount will be transfer to our Skype account, and will be gone if we doesn't use it for 6 months. So, for make it safe, make a phone call to anywhere just for a minutes before 6 months. If we buy Skype account from Skype website, we can pay it with creditcard or PayPal.
For the quality, it is good for me, but it also depend on Internet connections, so make sure our connection and other party connection is good to get clear voice connection. If we use a Skype to call to a ordinary home phone or cellular, we will charge per minute and Skype software will display the amount left of our account value. Easy to use it.