Understanding VoIP


Science journalist Toby Murcott explains the benefits of Voice over internet protocol (VoIP) and how it can offer users a cheaper alternative to the traditional telephone.
If you have a fast and reliable internet connection, you can call any telephone number without using a traditional phone service.
VoIP can even let you make calls from a computer or mobile device.
Watch our short film to learn about the pros and cons of switching to VoIP.