2. Wait for the landline base to arrive after signing up. 3. Plug the landline base into any power outlet. 4. Connect any landline phone to the base using a standard phone jack. 5. Enjoy unlimited nationwide calling and cheap international calls immediately. 6. Jul 28, 2010 6:48 PM in response to StevenB4. Yes, you can make calls on WiFi. It's the only way Facetime works. You turn on WiFi, which takes you out of 3G, you make the call, you initiate facetime with someone who also has an iP4 and they too have to be on WiFi to participate in a facetime conversation. ( 0) Group FaceTime on Mac. Like on iOS, you can make a Group FaceTime call from the FaceTime or Messages app on Mac. So get comfy in your chair and start your call. Group FaceTime from the FaceTime app. Open the FaceTime app. Enter the names, phone numbers, or email addresses of your contacts. Click to start either an Audio or Video call. You can start a Group FaceTime from the FaceTime app or from a group conversation in the Messages app — and you can add up to 32 people. To use Group FaceTime video calls, you need iOS 12.1.4 or later, or iPadOS, on one of these devices: iPhone 6s or later, iPad Pro or later, iPad Air 2 or later, iPad mini 4 or later, iPad (5th generation) or How to change your sender or caller ID on a Mac. Open FaceTime. Go to FaceTime at the top, and select Settings. Under General, you can select the email addresses and/or phone number where you can As many cruisers have found the hard way, international phone plans such as AT&T's $10-a-day International Day Pass do not apply to cruise ships at sea. If you let your AT&T phone roam while you're on a vessel, you'll pay $2.05 per megabyte of data — even if your base plan at home offers you unlimited data. Open the Settings app. Scroll down and tap FaceTime. Tap your Apple ID. Select Sign Out. Once you are signed out, tap Use your Apple ID for FaceTime. Sign in using your Apple ID details. If your FaceTime is not working on a Mac, you should open the FaceTime app, choose FaceTime, click Settings, click General, then click Sign Out. Enter your contacts by typing their name - you'll see them auto-complete. You can also type phone numbers or email addresses if you want. Then tap the large green "FaceTime" button. You can also qvhyk.