What is the technical complexity of the struggle with phone calls about false mining?

Continue about phone calls about the mining institutions in Moscow and other cities and institutions continue to evacuate, over and over again, the same.

Is phone spam is technically very different from, for example, the mail?

Perhaps there are some patterns: calls at one time, through one gate, one phone list.
June 14th 19 at 18:58

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June 14th 19 at 19:00
Solution
Perhaps there are some patterns: calls at one time, through one gate, one phone list.

The point is not to patterns and rules. There is a law, internal regulations of the Ministry of internal Affairs of all sorts, which stipulates that you are required to evacuate, dogs, test, etc.
Imagine it 100 times in a week will call and tell about the bomb, and then the 101st time really lay it and blow up. And if this time do not evacuate and do not check it will be PPV. You never know, maybe there's a parent some of the students agreed or by the student.
Therefore, the regulation is, regulation should be carried out. All. If new information or new technology can only change the rules, for example to introduce an accelerated test.
June 14th 19 at 19:02
Solution
What is the technical complexity of the struggle with phone calls about false mining?
There is no difficulty.
Simply no they were not fighting.
They should not be fought, and to react to any call to a potential threat.

But if it's spam the spammer caught and put in places not so remote.
June 14th 19 at 19:04
Competent call "disposable" phone or a "disposable" same gate almost impossible to track. The only hope is that when the mass calls will be noticed some patterns, and a caller will make a mistake to reuse the same gates or will repeat calls from the same area.

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