The caller with the number +642108859521 has been identified as making Harassment calls, which can be a cause for concern. The fact that the caller name is unknown suggests that the caller may be intentionally withholding their identity, which is often the case with unwanted calls. The purpose of these calls can vary, but they are often made with the intention of annoying or intimidating the recipient. It is essential to be cautious when receiving calls from unknown numbers, especially if they are classified as harassment calls.
Harassment calls from this line have become a nuisance; they ignore my request to stop.