They called, but did not leave any message. Many outfits require my mobile number these days, and I get more calls than ever from outfits I've never heard of. Surely, everyone is selling my cell #. I Even calls from people wanting to sell me a bank loan. The first one of those, I angrily asked, "How do you know I'm even credit worthy?" And they hung up on me. For a while, I was even getting calls in Spanish. Fortunately, I know some Spanish street language. After a couple of those, they never called back again. I my phone on silent, and only check the caller I.D.
If it is someone I want to hear from, I call them back. Otherwise, I delete them.