As is the case with nearly all VoIP apps and services, you communicate for free with other people who are using the same service and app.
Dị ka ọ dị na ihe fọrọ nke nta ka ọ bụrụ ngwa ngwa na ọrụ niile nke VoIP, ị na-ekwurịta okwu na ndị ọzọ na-eji otu ọrụ na ngwa ahụ.