How to add Line using a phone number

By enabling filtering, online filtering, and time spent filtering, you can easily understand user activity patterns, making social media operations more intelligent and efficient.

In the digital marketing wave of 2025, WhatsApp filtering became an essential lesson I couldn't avoid. With over 2 billion WhatsApp users worldwide, accurate WhatsApp filtering directly determined the effectiveness of my promotions.Initially, I thought it was just a simple task of filtering phone numbers, but I ended up taking a lot of detours.

From blind optimism based on "format" to the inefficient and torturous process of manually dialing, and then to discovering the power of ITG's global filtering tool, I finally figured out an efficient method for filtering WhatsApp numbers.This article will share my experience and guide you through the latest WhatsApp number filtering strategy for 2025, with the core tool being ITG full-domain filtering.When I first started screening WhatsApp numbers, I naively thought that as long as the number format "looked right," it was a good number.

This made me realize that the first step in WhatsApp's number screening process is not format calibration, but rather having a scientific verification system.Manual verification is suitable for small-scale testing, but when faced with a database of 100,000+ phone numbers, it's simply asking for trouble.

This tool has completely changed the way I work, not only boosting my efficiency but also making the screening results incredibly accurate.

With over 3 billion WhatsApp users, accurate WhatsApp number filtering is not only key to improving conversion rates, but also an essential means to avoid wasting resources and compliance risks.For businesses, choosing the right WS account filtering software is more important than blindly working hard. Now, use ITG's full-domain filtering; you can learn to filter in 10 minutes and master account nurturing techniques in a week. Say goodbye to ineffective costs and transform WS marketing from "burning money without reward" to "highly efficient and stable profit-making," achieving doubled performance as soon as possible!

In today's fast-paced digital marketing environment, manually sifting through WhatsApp numbers has become a major bottleneck restricting business efficiency.Professional WS screening software is completely changing this situation, achieving exponential efficiency improvements through intelligent technology.

This article will provide an in-depth analysis of how ITG Global Screening, a WS number screening software, helps businesses accurately screen 100,000 numbers within an hour, freeing up marketing teams to focus on higher-value strategic work.It is difficult to ensure the consistency of screening criteria, and the results vary significantly among different personnel.

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