Black Stallions International has offices in Surrey (United Kingdom), Karachi (Pakistan) and shortly opening in Dubai (UAE). It specializes in offering high quality telecommunication services. It provides very competitive rates for international voice termination to every destination in the world. We are directly interconnected with all the major voice and data carriers worldwide; carrying millions of minutes for long distance carriers, mobile carriers, local access carriers and prepaid service providers over our network on VoIP.

BSI is one of the largest carriers of international voice traffic in the world and a global leader in VoIP. Creating a new BSI with unsurpassed strength in the fastest-growing segments of global telecommunications—VoIP and mobile.

Innovating for Quality

Through its patent-pending Assured Quality Routing (AQR) and patented Path Engine quality management technologies, BSI is able to select the best available route for every call.

The BSI Network Operations Centers, located in London, Dallas Taxes and Karachi, combine state-of-the-art network management technology with around-the-clock dedicated technicians to ensure the highest quality of service to customers worldwide. BSI customers also benefit from the web-based Center that provides easy access to daily traffic performance statistics and dynamic reporting tools.