See who's calling

They rang to speak to my elderly mother. Lady named herself as Ella rang, I answered the call and asked where she was ringing from. She said from the wellness center. I handed my mother the phone but was a bit suspicious. Ella made my mother at ease and spoke softly and asked her how was she and many questions how was she feeling etc... Also asked her how old she was. I was listening to the call too on loudspeaker. If it was a legitimate health call they would have known her age already so I tho