About internet calls
You can make and receive calls over the internet. Internet call services may support calls between computers, between mobile phones, and between a VoIP device and a traditional telephone. The internet call service is a network service.
Some internet call service providers allow free internet calls. For availability and connectivity costs, contact your internet call service provider.
To make or receive an internet call, you must be in the service area of a WLAN or have a packet data (GPRS) connection in a 3G network, and be signed in to an internet call service.