OpenTop is an open standards based solution for Over The Top peer-to-peer communications technologies. With this free application you can connect to the OpenTop telephony network and make or receive audio calls over WiFi or your mobile data plan.
OpenTop is an open standards based solution for Over The Top peer-to-peer communications technologies. With this free application you can connect to the OpenTop telephony network and make or receive audio calls over WiFi or your mobile data plan.