VoipSwitch
Join Express
FreeJoin Express is a VoIP client for iPhone, iPod Touch and iPad. It works over Wi-Fi, 3G or EDGE.Support for high quality g729 and g722 codecs.Join...
iOSVippie - free calls & messages
FreeWith Vippie you can connect with other users for free.
iOS
Join softphone - VoIP SIP client
FreeJoin is a generic SIP Softphone with support for HD voice and video. Inspired by the idea of BYOD (Bring Your Own Device), Join can work with any...
iOS