"Free calling" refers to the ability to make phone calls without any cost or charges. It means you can talk to someone over the phone without having to pay for it.
Sentences with «free calling»
Warm and friendly chats at Free call chat line numbers. (rock-on.mobi)
You can actually do hands free calling with this unit when it's paired with your smartphone. (geekwrapped.com)
Warm and friendly chats at Free call chat lines. (rockchat.org)