How to block calls from unknown numbers abroad

Just turn on the international number segment blocking function.

Have you ever received a phone call with a strange number? Especially if they start with "00" or "+", these caller IDs are all from overseas, including the United States, India, Singapore, Thailand, Australia, Brazil, Portugal, etc. The country names are so dazzling. It was clear that I had no relatives abroad, but the calls kept coming.

The endless harassment calls have seriously interfered with people's normal life and are extremely annoying. Many people have suffered property losses due to communication fraud such as fraudulent calls, fraudulent text messages, and fake base stations.

Use the traditional method to "block":

According to the operator, these overseas calls are virtual numbers, and the addresses displayed are not real. Criminals access individual international operator networks through servers or switches deployed overseas to make harassing calls. From a technical point of view, these overseas phone numbers are constantly changing numbers, and often an international number is only called once, so the harassment characteristics of a single number are not obvious.

How to deal with the three major operators' tips for intercepting overseas calls No. 1 China Mobile China Mobile users intercept international calls: Send "KTFSR" to 10086 via text message to activate for free, and then follow the WeChat public account "China Mobile High "Protection against Frequent Harassment Phone Calls".