G2Plus

G2Plus is a simple mobile VoIP application that enables end users to make long distance or international calls at low rates. End users can avail VoIP services to explore the real potential of this mobile application. Right from intuitive UI, address book integration, NAT traversal on Private IP, low bandwidth consumption, SIP signaling, SIP softswitch compatibility to codec compatibility, the mobile application has all important features that make for a complete VoIP calling experience.
G2Plus is available on iPhone. Download G2Plus on your favorite mobile device and start talking to your overseas friends and relatives.