If your phone and computer belong to the Apple ecosystem, you can easily answer calls to your iPhone on your Mac by connecting your number to iCloud. To set up everything:
To redirect mobile calls to your Mac
First, make sure all your devices are signed in to iCloud with the same account, otherwise you can not do anything between them. You'll also need to run iOS 8.1
You must enable call forwarding on both devices. First, open the Settings app on your iPhone. Touch the "Phone" category and then "Calls on other devices." Make sure this option is turned on and make sure your MacBook can connect as well.
 Next, open the FaceTime app on the Mac. Make sure you're signed in to FaceTime and your account is enabled. In this case, you can open the FaceTime presets using Command + Comma or from the FaceTime drop-down list in the top menu bar. Click the box next to "Calls from iPhone".
Your devices are now connected. If you want to add new devices in the future, you will need to re-allow them in your iPhone's settings.
Calling and Answering Calls From Your Mac
Answering a call is easy once your devices are connected. You will also be notified of every call on your Mac. You can press to accept or decline this notification to open FaceTime.
You can still pick up the phone, causing your Mac to stop ringing and vice versa. 19659006] To make calls, you need to open the FaceTime app. You'll see a list of recent and missed calls, and you can click the phone icon next to everyone in the list to call them again.
If you need to do this For a new call, you need to type your contact name in the search box, or enter the phone number (or Apple ID) directly into the search box and click Call to press. When calling other FaceTime users, keep in mind that "FaceTime" is a video call and "FaceTime Audio" is a normal call.
Disabling Call Forwarding
If you find it annoying Devices ring at the same time You can disable it in your iPhone's settings as the calls continue to be routed through your iPhone. The process is the same as activating. Open the Settings app, click Phone, then Call on other devices. Then disable the "Allow calls on other devices" option.
If you want to prevent a particular device from ringing, you can not accept calls under Allow Calls.
How To Make Calls Without iPhone
If you do not have an iPhone, you can try using a VoIP program, such as Skype, to make calls from your Mac. You will have to pay for your number, but otherwise you will only call with other Apple users.
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