OpenTop
Detailed App Info:
Application Description
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.
Requirements
Your mobile device must have at least 9.25 MB of space to download and install OpenTop app. OpenTop is available on iTunes for $0.00
If you have any problems with installation or in-app purchase, found bugs, questions, comments about this application, you can visit the official website of Julian Cain at http://opentop.org.
Copyright © OpenTop, LLC.