SipTarPhone is a SIP VoIP client for iPhone, iPad, iPod
Support calls and video.
Audio Codecs: gsm, g711
Video Codecs: h264
Make calls through WIFI, 3G, EDGE
Credit Integration whit a lot of voip providers.
Features:
* Making and receiving VoIP calls
* Connectivity through WIFI/3G/Edge
* Integrated contacts from the phone
* Loudspeaker
* Favorites
* Balance information for some voip providers
* Last calls log
* Redial