ITG GLOBAL SCREENING

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By Admin June 8, 2026

Struggling to track customer messages after adding them on LINE? Boost response efficiency by centrally managing communications using LINE cloud-based control tools.

In today's context of cross-border e-commerce and community operations, adding friends on LINE has become a core means for many businesses to reach customers in Japan, Taiwan, Thailand, and other regions. However, many operators have found that the real challenges begin after adding friends on LINE —customer messages are scattered across different customer service representatives' mobile phones or computers, leading to frequent issues such as delayed responses, missed replies, and a lack of unified management. This article will break down real-world operational experience to show you how to systematically and centrally process LINE customer messages, thereby significantly improving response efficiency.

I. Why does the fragmentation of LINE messages directly slow down customer service response speed?

Many businesses, after adding friends on LINE, still use the crude method of "multiple phones, multiple people logging in separately." This approach may seem feasible in the short term, but problems will erupt once the number of friends exceeds 500:

  • Message aggregation failure : Customer service representative A and customer service representative B are logged into different accounts, and customers need to switch devices repeatedly to inquire about the same issue.

  • Severely delayed response : If the customer service representative for the corresponding account is offline after a customer sends a message, the waiting time can be as long as several hours or even a day.

  • Chat history loss : After changing phones or reinstalling LINE, chat history is difficult to migrate completely, and customers need to repeatedly describe the problem.

  • Performance metrics are unavailable : Managers cannot see the response time and processing volume of each customer service representative, making optimization impossible.

From practical experience, when the daily LINE message volume exceeds 200, traditional decentralized management inevitably leads to a drastic drop in response efficiency. The only solution to this problem is to centralize the receiving and replying of messages from multiple LINE accounts into a single backend for unified scheduling.

II. How can centralized message management achieve efficient response for "one person with multiple accounts"?

The core idea is to integrate LINE accounts scattered across different mobile phones into a unified backend through technical means, allowing a single customer service representative to handle customer messages from multiple accounts simultaneously. Specific implementation methods include:

  • Multi-account screen management : Messages from all LINE friends are arranged in reverse chronological order, allowing you to reply to each message one by one without switching devices.

  • Quick reply templates : Pre-set standard responses for common questions (such as shipping time, refund policy, product parameters), just click to send.

  • Automatic message routing : Messages can be automatically assigned to designated skill groups based on keywords (such as "complaint" or "refund").

  • Unread message notifications : Messages that have not been replied to after a set time are pinned and highlighted to prevent them from being missed.

In practice, using the above methods, a single customer service representative can handle daily inquiries from 5-8 LINE accounts simultaneously, reducing the average response time from over 30 minutes to less than 3 minutes. This is not a theoretical deduction, but data verified by multiple overseas teams that send over a thousand messages daily.

III. How to achieve customer segmentation and tracking through a tagging and notes system?

Simply managing messages centrally is not enough; to truly improve conversion rates, you must implement refined, segmented management of your LINE friends. The specific methods are as follows:

  • Automatic tagging : Automatically adds corresponding tags based on keywords sent by customers (such as "inquiry", "after-sales", "cooperation").

  • Manually add key information : Directly add notes about customer preferences in the backend dialog box, such as "High interest - Quoted - Awaiting follow-up".

  • Filter mass messaging by tag : Only send promotional information to customers with "high intent" or "active in the last 7 days" to reduce the risk of account suspension.

  • Historical behavior tracking : View all past customer conversations, clicked links, and sent images.

It's important to note that the value of the tagging system lies not in "recording," but in "retrieval." When a customer sends a message again, customer service representatives can immediately see the recipient's tags and notes, eliminating the need to repeatedly ask, "What product did you inquire about last time?" This difference in experience directly determines whether a customer is willing to continue communication.

IV. Data Dashboard: Transforming LINE Customer Service Management from "Intuition" to "Data-Driven"

Many team managers don't know exactly how many people their customer service replies to each day, the average response time, or the peak message times. With a centralized management backend, these questions can be answered in one place through data dashboards:

  • Response timeliness statistics : View the first response time, average response time, and longest interval without response for each customer service representative.

  • Message volume trend analysis : Displays message inflow by hour/day/week to help with reasonable scheduling.

  • Customer service workload ranking : Clearly displays the customer service representatives who handle the most messages and their corresponding satisfaction ratings.

  • Conversation quality spot check : Supports reviewing the complete chat history of any conversation for training and debriefing.

A real-world example: Before implementing a centralized backend, a cross-border e-commerce team experienced approximately 15% missed message responses daily, resulting in a persistently high customer complaint rate. After implementing data dashboards, managers discovered that messages received between 2 and 5 AM were going unprocessed. They then added part-time night shift customer service staff, and the missed message rate immediately dropped to below 2%. This illustrates the value of data-driven approaches—without quantification, there is no optimization.

V. Best Practices for Centralized LINE Message Processing Using ITG Overseas Cloud Control Tools

Among the many solutions on the market, itg Overseas Cloud Control is one of the few LINE cloud control tools that truly starts from front-line operational scenarios. Its core value lies in completely migrating the "receiving and replying to multiple LINE accounts" to a unified PC backend, eliminating the need for businesses to purchase a large number of second-hand mobile phones or for customer service staff to frequently scan codes to log in.

In actual use, itg overseas cloud control supports the following key functions:

  • Simultaneous login with multiple cloud accounts : Control dozens of LINE accounts simultaneously from a single computer, with all friend messages synchronized in real time.

  • Chat history is stored in the cloud : After changing devices or reinstalling the system, historical conversations are automatically restored, and customer information is never lost.

  • Batch notes and tag management : Supports importing and exporting customer information from Excel, facilitating integration with other CRM systems.

  • Built-in anti-ban strategy : Simulates real-person operation intervals to avoid triggering LINE's risk control by a large number of actions in a short period of time.

Feedback from multiple overseas teams indicates that after integrating with itg's overseas cloud control system, LINE customer service efficiency has generally increased by 3-5 times, and message missed response rate has decreased by over 90%. More importantly, managers can finally manage LINE messages like they would a ticketing system, instead of being led by the nose by multiple mobile phone screens.

Conclusion

Adding friends on LINE is just the first step; what truly determines customer retention and conversion is the responsiveness after adding friends. Traditional decentralized management inevitably collapses when the number of friends exceeds 500. However, through centralized tools like itg Overseas Cloud Control, multiple LINE accounts can be unified under a backend management system, enabling systematic capabilities such as one person managing multiple accounts, quick replies, data dashboards, and customer segmentation. For any company that uses LINE as a core communication channel, the sooner they move away from the primitive state of "randomly searching through multiple phones," the more they can build a competitive moat of responsiveness. Starting today, examine your LINE message processing workflow—are you still relying on manual searching? If so, it's time to consider a cloud control solution.

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.)