I try to communicate from my number through Fizz only with familiar numbers. If you don't get through, you can call back later. I try not to call unknown numbers back, even if I see them in the missed calls. Now it's so easy to hack into personal data or get bombarded with ads and spam. I use a temporary number to register on some sites. It started with a tourist trap. The hotel told me that you could get a
temporary phone number france [quackr.io] for free at quikr.io. It seems that it is necessary to take advantage of the opportunity to protect myself from unnecessary information.