About Us

TEL-U boasts an outstanding technical development team and an extensive international procurement operation. We have established long-term and stable partnerships with major global operators. We sincerely welcome you to join us as a corporate partner and work together to achieve business value.

Professional Cross-Border Telecommunications

TEL-U is a multinational telecommunications company headquartered in Taiwan. Our parent company, TEL25, has been deeply involved in communication technology for many years, dedicating efforts to integrating telecom resources. We have established long-term partnerships with major global operators to tailor stable, fast, and secure connection quality for users.

With a robust technical development team and international procurement operations, we integrate with telecom operators from 150 countries, securing first-hand stable resources. This allows us to offer the most cost-effective network and communication services, ensuring users can connect with the world anytime, anywhere.

TEL-U has also introduced an innovative digital telecom app, where users can purchase eSIM or virtual numbers according to their needs, enjoying the fastest and real-time internet and calling experiences. The app provides free international calls, SMS services, value-added purchases, number hosting, and more. TEL-U App is designed to address all your communication needs in one place.

Our Vision

We care about users of cross-border telecommunications, whether you are a long-term business traveler, digital nomad, flight attendant, tour guide, international student, or a short-term traveler or business person. TEL-U integrates telecom resources to provide the necessary network services for all types of users.

Our goal is to lower the barriers of cross-border internet and communication, making communication more accessible. TEL-U's corporate philosophy is 'Stay Connected at Critical Moments,' as we firmly believe that your lifestyle should not be constrained by borders.

Contact Us

If you encounter any issues during usage, we offer comprehensive and efficient online live support. Our goal is to ensure you receive immediate and professional assistance when resolving problems.


eSIM Data and international Calls
Professional Cross-Border Telecommunications

iOS download link
ios qrcode
android download link
android qrcode


Explore a strategic partnership for enhanced performance. We welcome your proposals and opportunities—let's forge a professional and mutually beneficial alliance!

Contact Us

Service time:

Weekdays: 09:00-23:00 (UTC+8)

Weekends: 10:00-23:00 (UTC+8)

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