My uncle will / is going to call my parents.
My uncle will / is going to give my parents a call.
My uncle will / is going to phone my parents.
My parents will / is going to be called / phoned by my uncle.
My uncle will / is going to call my parents.
My uncle will / is going to give my parents a call.
My uncle will / is going to phone my parents.
My parents will / is going to be called / phoned by my uncle.