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