Digital Planet Tells You How to Block Spam Numbers on WhatsApp?

This article will start with the pain points of manual customer acquisition and explain in detail how ITG's full-domain screening TG filter can help enterprises boost efficiency and accurately reach target users.

For cross-border merchants doing WS marketing, the biggest headache is the "invalid number trap": a list of numbers purchased at great expense might only receive a reply to 10 out of 1000 messages sent, with over 60% being invalid or cancelled numbers.Blindly pushing content to risky accounts resulted in the newly established WS account being banned within 3 days, causing all initial investments to go down the drain.

In fact, professional WS number filtering software is the key to solving these problems: WS number filtering software can quickly eliminate invalid numbers, ensuring that every penny of marketing expenditure is spent effectively.The ITG Global Screening WS account filtering software offers dual protection of "precise filtering + safe account nurturing." Even complete beginners can easily use the WS account filtering software to improve efficiency and double their marketing results.In 2025, WS platform upgraded its risk control measures. Invalid numbers not only waste money but may also trigger account bans. WS number filtering software is the "cost protector" for merchants.

After the filtering is completed, a detailed report is generated, showing the number of valid numbers, the percentage of invalid number types (empty numbers 20%, virtual numbers 5%, etc.), the percentage of target customers, and other data, making the results clear at a glance;If your WS account isn't properly nurtured, all your efforts in screening customers will be wasted. Use the account nurturing function of this WS account screening software to make new accounts as stable as old ones.

With cross-border marketing costs remaining high, instead of wasting money on invalid numbers, it's better to use ITG's global filtering WS number filtering software to precisely break through the bottleneck.

It can not only quickly eliminate invalid numbers and target precise customers, but also ensure account security, so that every investment will be worthwhile.The system supports user activity filtering, online filtering, and time-of-use filtering, enabling operations teams to understand account activity patterns and deliver targeted advertising. The cloud control system offers both self-screening and proxy screening modes to meet the needs of various scenarios and enable efficient bulk account management.

The system supports international mobile phone number generation and screening, integrating social media account activity to achieve targeted global marketing and user resource integration.Through interactive, active, and online screening, you can quickly identify high-value users, making social media operations more efficient.

The cloud control system offers customized and granular screening modes to meet diverse business scenarios, making marketing strategies more flexible and precise.The system automatically detects unused and anomalous accounts, and filters based on age, gender, and activity level for cleaner and more effective marketing data.