can't make cellular calls using mac but can receive them
i can receive calls on my mac but can't make calls using continuity. i am using iOS 8.1 in my iPhone and i have double checked FaceTime option which shows i can make cellular calls using mac. Plzz Help
also i can send text messages from mac using cellular network
MacBook Air (13-inch, Early 2014), iOS 8.1, iPhone 4s