ITG GLOBAL SCREENING

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By Admin March 16, 2026

How to avoid sending messages to inactive WhatsApp users? Number filtering helps you remove invalid numbers in advance.

In WhatsApp operations, sending messages to inactive users not only wastes time but also lowers the overall engagement rate. WhatsApp activity filtering can precisely avoid this problem, and effective WhatsApp activity filtering is a core prerequisite for improving operational efficiency. The existence of invalid numbers and dormant accounts will cause coupon pushes and event notifications to go unnoticed, and may even affect account ranking. Proactive number filtering ensures that every message sent is directly targeted.

What problems can active period analysis solve?

Active periods are not simply determined by whether "registration has occurred," but rather by:
  • How long ago was the user logged in?
  • Is it currently in a high-activity, medium-activity, or low-activity category?
  • Can I send a message immediately? Or do I need to put it into a "cold start" process?
If you ignore this time data, the following problems may occur in your operations:
  • The coupons were sent to users who hadn't logged in for a long time, but it was a complete waste of money.
  • Customer service resources were allocated to inactive accounts, reducing response efficiency.
  • Assigning the bot to an inactive account caused frequent system errors.
  • Importing advertising leads into the CRM without considering their status results in a chaotic and inefficient backend system.
Every number should be treated equally, but rather managed in tiers based on its popularity over time. This is one of the core logics behind WhatsApp's activity screening.

What pitfalls can be avoided when verifying the validity of a phone number?

Number validity verification is not just about checking "whether the call can go through," but rather confirming:
  • Is this number actually linked to a WhatsApp account?
  • Has the account been cancelled, banned, or abandoned?
  • Does the phone number's location match the user's location?
Skipping validity checks and sending messages in bulk can easily lead to these problems:
  • The message sending failure rate soared, and the platform determined it to be malicious marketing, restricting account functions.
  • Mistakenly treating invalid or dead phone numbers as valid users wastes operational budget.
  • Repeatedly sending messages to deleted accounts indirectly affects the credibility rating of one's own account.
  • Confusing valid and invalid numbers makes it impossible to accurately measure the effectiveness of marketing campaigns.
The foundation of WhatsApp's active user screening is to first eliminate invalid numbers and keep only accounts that can receive messages normally, so that operational actions can be precisely targeted.

How much can tiered operations improve interaction efficiency?

Tiered operations don't mean arbitrarily labeling users; rather, they involve planning based on WhatsApp's activity screening results.
  • Should highly active users receive push notifications for real-time events, or for routine maintenance?
  • Do active users need incentives to reactivate their engagement, or should they be attracted by engaging content?
  • Should we abandon inactive users outright, or gradually reactivate them?
If operations are not segmented and are handled in a one-size-fits-all manner, these problems will occur:
  • Highly active users are frequently disturbed and are proactively muting messages.
  • Active users in the middle of the region are not receiving targeted content and are gradually becoming silent.
  • Low-activity users are bombarded with ads and completely churn.
  • Distorted operational data makes it impossible to identify areas for optimization.
By combining the screening activity results with appropriate stratification, users in different states can receive appropriate treatment, thereby improving the overall quality of interaction.

How to use ITG global filtering to achieve automatic number filtering?

The core of automatic screening is to replace manual screening with professional tools. ITG's full-domain screening can achieve full-process automation. The specific operation is simple and easy to use. The steps are as follows:
  • Import Number List: Import the numbers you need to screen in batches into the tool, eliminating the need for manual entry and reducing operational costs.
  • Automatic verification and labeling: The tool simultaneously verifies whether the number is linked to a WhatsApp account and whether it is currently active, while labeling the activity level (high/medium/low) and the last online time, generating basic data dimensions.
  • Intelligent filtering and removal: Based on preset conditions (such as removing accounts that have been inactive for more than 30 days, empty numbers, and dead numbers), it automatically filters out invalid numbers and retains only active accounts that can be reached normally.
  • Generate and export reports: After filtering, generate detailed reports and export numbers by activity level. These can be directly integrated into subsequent operational processes without the need for secondary processing.
In addition, ITG's full-domain filtering supports real-time status synchronization, ensuring that the latest valid numbers are obtained before operation, avoiding human error, and eliminating the problem of sending messages to inactive users from the source.

For WhatsApp operations, invalid number filtering is not an optional step, but a crucial prerequisite for improving effectiveness. ITG's global filtering simplifies the filtering process and improves accuracy through automation, allowing operators to focus on effective user conversion and truly achieve "targeted messaging and responsive engagement," laying a solid foundation for subsequent operational actions.

ITG Global Screening is a leading global number screening platform that combines global number range selection, number generation, deduplication, and comparison. It offers bulk number screening and detection for 236 countries and supports 20+ social and app platforms such as WhatsApp, Line, Zalo, Facebook, Telegram, Instagram, Signal, Amazon, Microsoft and more. The platform provides activation screening, activity screening, engagement screening, gender/avatar/age/online/precision/duration/power-on/empty-number and device screening, with self-screening, proxy-screening, fine-screening, and custom modes to suit different needs. Its strength is integrating major global social and app platforms for one-stop, real-time, efficient number screening to support your global digital growth. Get more on the official channel t.me/itgink and verify business contacts on the official site. Official business contact: Telegram: @cheeseye (Tip: when searching for official support on Telegram, use the username cheeseye to confirm you are talking to ITG official.)