We are a business.
For a second day in a row, I saw the number 714 144 4545, did not answer. Message light came on. I retrieved message which was only person breathing and background activity (other voices and typing sounds)which went on for about a minute. I redialed the number only get a oscillating 2 tones.  
This number comes up frequently. I have no idea why they continue to call and not answer OR leave a message. I can not tell if we are OR have ever done business with the UNKNOWN company OR them to stop calling if I do not know who they are. It is becoming quite frustrating and irritating. I am on the DNC Registry.