Proveedor de servicios voip Terminacion A-Z
Somos proveedores de servicio de calidad, con las mejores tarifas a todos los destinos internacionales. Ofrecemos sostware gratuito para realizar llamadas desde su computador y callshop (software de tarifacion) para locutorios
Global Technology and Communication Systems Limited are fully integrated information and communication technology company with headquarters in Houston, Texas, USA.
We were established to deliver high-speed broadband Internet-based data, voice, and vid