I once answered the phone without checking the caller ID because I was expecting it to be my son anyway. This was the gist of it:

"My name is Cathy and I hope I am not interrupting anything. I wanted to tell you that Jesus loves you and died so that you could have eternal life. If you would like to talk about it, I can visit with you or give you some phone numbers if you do not have time now."

"Thank you, Cathy, but I am already a Christian."

"Praise God, and have a good evening. Good night."

I was glad I answered it, it lifted my spirits.