Multi-provider VoIP over GSM on the iPhone
Posted 18 January 2008 @ 2am in News
We’ve been beta testing a promising new Web-based app for the iPhone, dubbed RingFree (go to https://rf.com on your iPhone to try it) that offers the ability to make calls through a variety of VoIP SIP providers using normal voice calls on the AT&T GSM network, or any other standard iPhone voice provider. The method [...]
