Is it safe to during a telephone conversation? But particular it may seem that it is impossible to design who will call us, are ways to checking the number which is trying to make a call. Such methods gain fame not only due to numerous advantages, which provides taking care of own safety but more due to simplicity their availability. Individual, who has access to the Internet on a smartphone or laptop can check, who called without a sample. Such strategies are simple, you don't need to enter any more messages apart from this, which number tried to interact with you . These are methods, which you can apply yourself, but such take care of your own safety. Unknown numbers can calling with different intentions. Sometimes it's just a mistake, but definitely more often these unidentified, unknown phones calling for the purposes of for example phishing personal, fraudulent offers. By using these services and by entering your personal information, you may have serious trouble in later time which cannot be solved, if only you check someone's number. What conclusions can be drawn from this? To protect your.