讀後心得

A female netizen shared on social media about receiving a harassment call that disconnects as soon as you answer, prompting many netizens to discuss the truth behind these types of calls. This is actually a so-called "number screening" mechanism, aimed at confirming whether a phone number is valid, in order to build a database for industry use. Experts recommend downloading the Whoscall app, which can filter and display caller information, helping users avoid answering such harassment calls.

Harassing phone calls that are common in life can be quite bothersome. A female internet user shared her experience on social media about receiving a phone call that was "hung up as soon as answered," sparking widespread discussion. However, this type of call is not the usual scam method or prank that people might imagine, but rather a so-called "number screening" mechanism designed to confirm whether a phone number is still in use and to establish an effective telephone database for specific vendors.

A female internet user posted in a Facebook group stating that she had received a call where the other party hung up as soon as she answered. Curious, she searched for that phone number and found that many others had the same experience, and even some who called back found they could not connect, leaving her confused: "Doesn't it cost money to make a call? Is there too much money? Or is there another reason?"

Professional internet users explained that these types of calls are actually the operation of a "number screening machine." The system automatically dials to test whether a phone is in use, and once answered, it is registered as a valid number, subsequently sold to other customers, resulting in continuous harassment calls for loan promotions, which is quite troublesome.

To avoid becoming a target of harassing phone calls, internet users suggest downloading the Whoscall application. This app actively filters and displays caller information, including those suspicious calls that hang up after ringing once, and it can be used on both iOS and Android systems. After installation, if someone calls, the screen will directly show the caller's identity, allowing users to decide whether to answer.

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