Skype changed the computer communications playing field when it used voice over internet protocol (VoIP) to let users place phone calls over the web. Using Skype, computer users can make face-to-face calls and calls from a computer to a traditional phone or mobile phone. In fact, using Skype, mobile users can call each other to talk face to face.

Discuss advantages and disadvantages to using VoIP to drive a companys phone system. Support your discussion with information and examples from your text and your experiences.