Windows Instructions In the Skype for Business app, click on the Phone button (the button that looks like a dial pad). Using the dial pad, or with your keyboard, type in the phone number you are trying to reach. Click the Call button . If a Windows Defender pop up appears, click Allow Access. Your call will begin. When you are ready to hang up, click the red Hang Up button. Mac Instructions In the Skype for Business app, click on the Calls button on the left. Using the dial pad, or with your keyboard, type in the phone number you are trying to reach. Click the Call button. Your call…