Call contacts: When viewing a contact, tap, or click the FaceTime video icon to the right of the FaceTime option to invite the other party to a FaceTime video call.

Call via FaceTime: Tap or click contact and tap or click the dark gray FaceTime PC button in the right column to invite someone to a FaceTime video call. You can also click the blue FaceTime video icon to the right of the contact’s mobile phone number, if available.

FaceTime PC audio calls are essentially VoIP (Voice over Internet Protocol) calls that look like Skype. They are similar to phone calls but have superior audio quality.

Call through contacts: When you see a contact, tap the blue FaceTime PC audio icon to the right of the FaceTime option to invite someone to a FaceTime audio call.

Call by the message: Tap the ID circle at the top of the contact’s name and the FaceTime audio icon at the bottom. Then select FaceTime Audio from the pop-up menu to ask someone to a FaceTime audio call.

FaceTime PC 

You just need to follow a set of very basic steps to make an audio or a video call using the FaceTime PC application. Have a look at those steps below:
  1. Firstly, download and install the FaceTime PC application in your system.
  2. Now, register yourself on this application. You need to submit some required information to register yourself.
  3. After that, the FaceTime PC will redirect to your account home page.
  4. You can make the audio and video call from here.
  5. Also, you can make a group call using the FaceTime PC application. Thus, it is extremely easy to register and sign in to your account after installing the FaceTime PC application.

Siri Call: When Siri is enabled and the Allow Hey Siri button is enabled, you can press and hold the Home button for two seconds or call Siri and say “Hello Siri” and “FaceTime Audio [Contact Name]” Invite someone Your FaceTime audio call.

Call Apple Watch: Say “Hello Siri”, hold the digital crown or press the Siri widget on the Siri watch face and say “FaceTime [contact name]”. Or launch the phone app on your Apple Watch and tap Contacts> Contact name> Phone icon> FaceTime Audio to chat with someone.

Call through Contacts: When viewing your contacts, tap or click the FaceTime audio icon to the left of the FaceTime option to invite someone to a FaceTime PC audio call.

Call via FaceTime: Tap or click a contact in the contact list and tap or click the FaceTime audio button to invite someone to a FaceTime call.

FaceTime on iPhone or iPad encourages group conversations between three or more people and can also maintain a real video conferencing conditions with up to 32 group chat participants.

Call through contacts: Start FaceTime and tap Add in the upper right corner. Enter the names of your contacts, phone numbers, or emails. Press Audio or Video to start the FaceTime call. They include a total of up to 32 participants.

The FaceTime PC is one of the best applications to make sure that you are able to connect with your relatives, and your colleagues securely.

Call through messages: Start a FaceTime group from scratch or from an existing group conversation. Tap the connections at the top of the group conversation. Press FaceTime and start the call.

Call a MacOS device: During a FaceTime call, click the button in the sidebar, select Add person, enter a name, email address, or phone number, and click Add.

Do you need more details? For more information on how to enable and use FaceTime for the group and one-time calls, visit the Apple Support Center.