Who We Are
Founded in 1998, Telephone Systems International (TSI) is a trusted global telecommunications company. Over the past two decades, we have evolved into a leading provider of carrier-grade communications solutions, enabling seamless communication across borders for carriers, enterprises, and service providers worldwide. TSI was established with a vision to transform the way the world communicates—by making international connectivity more reliable, efficient, and cost-effective. Today, we continue to uphold that vision through our commitment to innovation and service excellence.
What We Do
TSI delivers a full suite of services designed to meet the needs of a fast-changing telecom landscape:
- Global Reach – High-quality, cost-effective routes with direct interconnections to international partners.
- Carrier-to-Carrier Services – Seamless connectivity and traffic exchange for telecom operators around the world.
- Scalable Solutions – Flexible platforms that grow with our clients’ communication needs.
- Quality and Reliability – Robust infrastructure to ensure crystal-clear connectivity and minimal downtime.
Our advanced technology and global network allow us to process large volumes of international traffic while maintaining the highest standards of quality and security.
Our Mission
TSI’s mission is simple:
To connect the world by delivering innovative, reliable, and cost-effective telecommunications solutions that empower businesses and carriers to grow.
Why Choose TSI?
- Proven Experience – Over 25 years in the international telecom industry.
- Global Reach – Partnerships and interconnections across continents.
- Competitive Advantage – Cost-efficient routes without compromising quality.
- Dedicated Support – A team of experts committed to responsive, 24/7 assistance.