Block the number right away if you suspect it’s a nuisance call. The pattern of multiple rings with no voicemail suggests an automated system trying to get a response. Consider adding the caller to your phone’s spam filter and report the number to your carrier’s fraud department. If the caller claims to be from a security firm, ask for a verifiable business name and refuse to share personal data until you can confirm legitimacy. Keep a log of call dates and any script details; this helps when filing complaints with consumer protection agencies. Regularly update your call‑blocking apps to stay ahead of new robocall tactics.
This number called twice on 3/22/18, but no message was left, making the purpose of the calls unclear.