How to obtain contacts through a US number query and generate a VCF file?

Telegram Number Screening Pitfall Avoidance Guide: Core Logic for Precisely Targeting High-Value Customers

In today's highly competitive cross-border e-commerce and digital marketing landscape, many businesses are still using traditional manual methods to acquire customers. This approach is not only inefficient, but more importantly, it generates a large number of invalid phone numbers.To achieve precise marketing, the quality of phone numbers must be addressed first, and professional WhatsApp number screening tools are the key to solving this problem.

How can advanced WhatsApp number screening technology help businesses say goodbye to inefficient marketing and achieve precise customer reach?Traditional manual addition methods suffer from extremely low efficiency, a flood of invalid numbers, and mistargeting of customers. These pain points severely restrict marketing effectiveness.Data from a cross-border e-commerce platform shows that before using professional number filtering tools, 35% of its marketing budget was wasted on invalid numbers, and the conversion rate was consistently below 1%. This clearly demonstrates the limitations of traditional manual number addition methods.

ITG Global Screening, as a professional WhatsApp number screening platform, offers a range of powerful features to help businesses efficiently solve number quality issues.The platform uses advanced algorithm technology to detect the status of phone numbers in real time.

Through a multi-dimensional verification mechanism, the system can accurately identify invalid phone numbers such as empty numbers, virtual numbers, and risky accounts, with an accuracy rate exceeding 99%. The system also possesses learning capabilities, continuously optimizing the identification model based on the latest data.

Compared to traditional manual methods, ITG's full-domain filtering supports filtering tens of thousands of numbers simultaneously, increasing processing speed by more than 50 times. It automatically generates detailed filtering reports and supports importing and exporting data in multiple formats.Through its three core capabilities—content recognition, behavior analysis, and intelligence sharing—it has built a 24/7 uninterrupted intelligent firewall, truly nipping community risks such as advertising and black market activities in the bud.

Achieving a 90% risk reduction is not an exaggeration, but an inevitable result of the empowerment of intelligent technology.Embracing intelligent management is not only a choice to improve efficiency, but also an inevitable strategy to ensure the long-term stability of the community.

In the fierce competition of Telegram community operations, the real value lies not in the simple accumulation of the number of members, but in the ability to accurately identify and activate those high-quality active users.Many administrators struggle with the "zombieification" of groups—a seemingly large number of members, yet only a handful are actively interacting. The key to overcoming this predicament lies in a deep understanding and effective use of Telegram screening functions.

(责任编辑：comprehensive)