What is VoIP? Voice over Internet Protocol takes your voice calls off the POTS (plain old telephone service) and puts the calls on the Internet. VoIP calls can withstand about 150ms of latency before call problems start occuring. Want to dip your toe into VoIP? Buy one of the Obihai OBi200 devices and follow along!… Continue reading VoIP with Obihai OBi200 and Grandstream!