About Us

Who are we?

One Smart Star headquarters are located in the US and represented locally by Smart Phone Bulgaria Ltd. The company is operating the OSSN service since 2021 and ever since, continuously develops and provides new value-added solutions to major leading businesses. The OSSN services are being used daily by thousands of individuals and companies.

What do We do?

We aim the present and we shape the future!

One Smart Star® has integrated a smart solution that incorporates existing and new communication dimensions of Voice and Data. The OSSN® service rides on top of any Physical / Virtual Switch provided by Operator or other devices, enabling simplified and swift customer access to every business.

One Smart Star® is a patented technology developed by a top engineering team which has been implemented by thousands of leading organizations and businesses worldwide, benefiting from a unique identity, enhanced visibility and business/client interaction as well as improved business results.

Global Reach

With over a decade of experience, One Smart Star® operates in over 60 countries.

Every day, millions of satisfied customers connect to businesses using One Smart Star® Numbers.

Our partners