If you're traveling abroad, you might be concerned with how to do international calling. These apps let you to make calls for free on your mobile device.

Vonage announced an Internet phone-calling application that can be downloaded for free to iPhone and BlackBerry smartphones allowing international calls through Wi-Fi or cellular networks.

Skype, the once-revolutionary voice-over internet platform, will cease to exist. Those still using it to make calls should check out these other options.

These Wi-Fi calling services provided by your carrier are in addition to any other chat or calling apps that may already be available on your phone.

AT&T and Verizon continue to be under attack, so law enforcement advises the use of encrypted apps for messages and calls.

Microsoft said today it will be retiring the original free internet calling app Skype in May and migrating customers to Microsoft Teams.