Welcome To free voip call broadband phone voip voip course

The simplest sort of A VoIP system is a computer-to-computer connection. All that is required for this type of joining is a computer, a headset which includes earphones and microphone, and VoIP software. Most software products are free and let you conect to any computer running the same software. There is no charge for this type of connection and calls can be worldwide.

 

  

VoIP is based on digital data transmission. The initial operation in a VoIP call is to convert the analog signal of vocalization into digital data. This is done within an Analog-to-Digital Converter (ADC) that divides an analog signal into discrete steps which are represented by numbers. The following step is to compress the audio data using a codec (enCOder/DECoder) which significantly trims the volume of data yet preserves audio quality.