MobileVoip

MobileVOIP is an app that enables affordable VoIP calls from mobile devices, both nationally and internationally, potentially reducing phone costs. The app integrates with your device's contact list, allowing calls via MobileVOIP anytime, anywhere. It works over various internet connections including 3G, WiFi, GPRS, Edge, and UMTS. It offers free 3G and WiFi calls, reducing the need for expensive calling plans.

The app features include SIP phone calls, free calls to select destinations, and cheap international calls. It also supports affordable global text messaging, operates on low bandwidth to save on roaming charges, and can bypass VoIP blockades. MobileVOIP supports over 50 VoIP providers, but users must have an existing account to use the app.