SysMaster Corporation is a Walnut Creek, CA-based company in the Telecommunications sector.
Discount Telecom is a Sarasota, FL-based company in the Telecommunications sector.
A wholly-owned KPN company, iBasis is a leading international voice carrier and provider of data services and solutions for mobile operators. The company offers a comprehensive portfolio of voice termination services and data services, including messaging, signaling and roaming, for many of the world’s largest fixed and mobile operators, as well as “over-the-top” and voice-over-broadband service providers.The company can be reached at its worldwide headquarters in Burlington, Mass., USA
Zona Communications is a Phoenix, AZ-based company in the Telecommunications sector.