VoIP, or Voice over Internet Protocol, allows you to make phone calls over the Internet rather than using the old analog phone lines. Although the calls usually aren’t as clear and they often drop, they are at least free. You can also use VoIP services to send SMS (Short Message Service) messages to any mobile phone around the globe. Although there is usually a cost involved, it is generally less than the cost of using your mobile phone to send the text. Writer Bio
