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SKY-Phone es la división de SKY Soluciones Tecnológicas S.A. dedicada a brindar servicios y soluciones de telecomunicaciones de alta calidad y a clientes wholesale, corporativos y residenciales, mediante la utilización de las más recientes y probadas tecnologías

Our network was designed thinking about offering trustworthiness and support. Protection with diversity of ways and redundancy assure the continuity the service. All the facilities of Transtel have been designed, constructed and operated by own personnel, of the most described as the industry. We carried out the operation of our services with local personnel of Engineering, Operations and Maintenance.

Aianna Corporation is a Global provider of telephony services, that was established at the vision of one man who was tired of the lack of service and quality that carriers were giving to their clients in the telecommunications industry.

The Planeta Rede Calling Cards allow you to call anywhere in the world from a standard phone or payphone at a fraction of the cost. Simply dial an access number, enter the PIN from the card and make your call. No Internet technology required! These cards are geared towards Brazilian callers, where we have 0800 and local access numbers throughout Brazil.

Voitel, a primeira empresa de VoIP do Brasil, atua no mercado desde 1998 oferecendo serviços de comunicação multimídia. Sua moderna infra-estrutura trouxe ao mercado avanços tecnológicos na transmissão de voz, dados e imagens em tempo real.

We are a provider of private and public telecommunications network and Internet services. We offer integrated data, voice, data center and Internet solutions, with an emphasis on broadband transmission, for national and multinational companies, financial institutions, governmental agencies and other business customers, as well as private and residential customers. We provide telecommunications, data center and Internet services through our networks, which consist of owned Microwave Backbone and wireless links, teleports, data centers, earth stations and leased fiber optic and satellite links.

A SunNET é um provedor de soluções da Tecnologia da Informação que se confirmou como um dos competidores de primeira linha no âmbito super exigente da industria de TI atual.

Reliability, Flexibility and Service: that's our commitment to you. Based in Atlanta, Georgia, IP Communications has operated as a privately owned company since 2001. Our goal is to simplify the way businesses communicate. IP Communications delivers Voice over the Internet Protocol (VoIP) based carrier solutions to providers of IP based telephony services. Our product range includes SIP or H323 Origination Services, local numbers (DIDs), international local numbers (DDI), domestic/international Toll-Free Service, area based IP T1 (PRI) replacement service, termination and IP private line services. IP Communications network is one of the most reliable MPLS networks in the world, having a fully meshed network with redundant SBCs.

VoiceSat es una compañía creada en los Estados Unidos para brindarle el mejor servicio de comunicaciones por Internet a millones de personas en el mundo. Nuestra misión es unir familias, amigos y negocios a través de nuestra Red Voicesat, brindándoles la mejor calidad y las tarifas más bajas del mercado. Contamos con un amplio equipo especializado en telecomunicaciones y distribuidores en más de 10 países.

The Department of Electrical and Computer Engineering offers graduate courses leading to the MEng,MSc, and PhD degrees to qualified graduates of recognized universities.