About internet calls
You can make and receive calls over the internet (network service). Internet call services may support calls between computers, between cellular phones, and between a VoIP device and a traditional telephone.
Some internet call service providers allow free internet calls. For availability and connectivity costs, contact your internet call service provider.
The use of VoIP or other services may be restricted in some countries. For more information, contact your device retailer, service provider, or local authorities.
To make or receive an internet call, you must be in the service area of a Wi-Fi network, and be signed in to an internet call service.
See Make an internet call .