VoIP Internet Phones Service all about how to call for FREE! Mobile SECRETS! Send Free SMS! IPvaani is a Free world wide peer-to-peer phone service from IPvaani, Inc. Using IPvaani peer-to-peer phone service you can make and receive unlimited FREE phone calls across the globe. Computer is not required to make or receive free calls. Just you need Internet broadband connection, normal phone and IPvaani adapter at both ends.