Want to know how to start a Siri FaceTime call? It’s no secret that you can use Siri to do things like control your music or launch apps. And most people are familiar with using Siri to make a voice call, but you can also use Siri to make a FaceTime call. My mom is a huge fan of this as she continues to learn the best ways to use her iPhone; using Siri to FaceTime me is her personal favorite how-to. Here’s how to use Siri to make FaceTime calls.