Google is rolling out a long-awaited feature for its Google Home smart speaker today: voice calling. The company just announced that Home users in the US and Canada will very soon be able to call people in their contacts and local businesses using their voice and the signature “OK Google” command. That makes it more flexible than what Amazon is doing with Alexa / Echo-to-Echo calls and messaging. But you can’t call another Google Home from yours or answer calls with it; only outgoing calls work right now.

Voice calling is completely free so long as the call recipient is in the US or Canada. It works over Wi-Fi, so it doesn’t use your smartphone plan minutes. In fact, Google Home’s hands-free calling is separate from your smartphone…

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