Apple iPad (6th Generation) 9.7-inch
Apple iPad - Calls on Other Devices - Add Device
Apple® iPad® - Calls on Other Devices - Add Device
To use an iPad instead of your iPhone to make and receive calls, view this info.
You can use the wireless account from your iPhone to make and receive calls on other Apple devices logged into the same iCloud account.
Wi-Fi calling support page
for additional info.
Using the same Apple ID as your primary device, sign into FaceTime and iCloud.
Verify 'Calls on Other Devices' is
from your iPhone.
Calls From iPhone
Upgrade to Wi-Fi Calling
If you are provided a 6-digit code, enter it on your iPhone then tap