SmartKring Dialer
The SmartKring dialer is a free VoIP dialer supports IDD calls (charge) and lets you call yous friends directly with a free VoIP account. It utillize WiFi if available and connected or can use the mobile phone service when there is no WiFi available. Compatible with iPhone 4, 4S,5 and iPad running iOS v5.1 or later.
Summary of Features
•Uses internal contact list
•Registered Status
•Network Quality Indication
•Call back function