Don't sweat the small stuff. If you missed the call and they didn't leave a message count your blessings. They spent the money to place the call and they failed to reach anyone. They didn't make a sale or have the satisfaction of harassing you! You got the satisfaction of beating them at their game. I never answer phone calls from companies or numbers I do not recognize. 99.9% of the time they do not leave a message and therefore they are trying to pawn some scam off on the unsuspecting and take you for a bundle. You don't need that in your life so move on! Just know if they don't leave a message they were not worth talking to in the first place and you are now ahead of the game. Life is good here, we don't deal with telemarketers, survey takers etc. Join in the fun!