摘要：Voice over Internet Protocol is a development in the Internet world. Internet isbasically a global communications network that uses the media letters andpictures as a communication tool. When we entered into the world of theinternet then we will find the letters, logos, and images generated by pressingthe keyboard or mouse. Because limitations of text on the internet forcommunication is developed VOIP (Voice over Internet Protocol), which meansvoice over internet media.
