Voice over Internet Protocol (VoIP) uses the Internet to route telephone calls. You can make and receive telephone calls using VoIP. One thing to keep in mind is that VoIP signals are digital. The signal is converted to analog before it reaches an older touch-tone telephone. The digital VoIP signal is also compressed to save bandwidth. Due to the compression and the digital to analog conversion, VoIP calls may fail. Quality on VoIP calls can be unsatisfactory. There are a few standard ways to test VoIP calls. Writer Bio
