Question

Alguém, pleaseeee!!

Answer 1

To play phone tag - To engage in a series of phone calls with another person, and every time one of them calls, the other one is not available to answer. 
To be on the phone - To be using the phone. 
To phone up - To call somebody via telephone.
To give somebody a buzz - To speak to someone by telephone.
To phone in -  To call to the place where you work, especially in order to report something.