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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.
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