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Who is ETECSA_Cuba?
Empresa de Telecomunicaciones de Cuba S.A. (ETECSA_Cuba) is the state-owned telecommunications operator of Cuba that provides fixed, mobile, and data communication services across the country.
- Nationwide fixed-line telephony and public voice services for residential, business, and government customers.
- Mobile network services, including voice, SMS, and mobile data, for consumer and enterprise subscribers.
- Internet access services, including broadband connectivity, Wi‑Fi hotspots, and public navigation centers.
- Enterprise and institutional connectivity services, such as leased lines, private data networks, and IP-based communication solutions.
- International telephony and data connectivity, including roaming, international calling, and connectivity with global networks.
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More About ETECSA_Cuba
Empresa de Telecomunicaciones de Cuba S.A. (ETECSA_Cuba) operates as Cuba’s integrated telecommunications carrier, managing core infrastructure for fixed telephony, mobile communications, and data networking across the national territory. For enterprise, institutional, and government environments, ETECSA_Cuba functions as the primary provider of last‑mile and backbone connectivity, delivering voice, data, and internet access over a mix of copper, fiber-optic, and radio technologies.
In fixed telephony, ETECSA_Cuba delivers public switched telephone network (PSTN) services and supports enterprise voice deployments over both traditional circuit-switched infrastructure and IP-based solutions. Business and institutional customers use these services for office voice connectivity, contact centers, and integration with private branch exchanges (PBXs). The company’s numbering resources, interconnection capabilities, and signaling infrastructure interoperate with international carriers through standard telecommunication protocols and gateways.
ETECSA_Cuba’s mobile services cover voice, SMS, and mobile data delivered over cellular network infrastructure. These offerings provide connectivity for both individual and corporate subscribers and support applications such as field workforce communication, mobile access to corporate email, and remote access to business systems where authorized. The mobile network is integrated with international roaming partners, enabling inbound and outbound roaming subject to bilateral agreements and technical compatibility.
Internet and data services form another core area, with ETECSA_Cuba providing access through fixed broadband connections, public Wi‑Fi zones, and dedicated data links for enterprises and institutions. These services rely on IP networking, routing, and peering arrangements with international providers, as well as submarine cable and satellite links for external connectivity. Enterprises typically use dedicated circuits and private IP networks for secure site-to-site communication, data center access, and integration with government or sectoral networks.
For organizations operating in Cuba, ETECSA_Cuba is the reference provider for connectivity-related planning, including network design aligned with national telecommunications regulations, numbering plans, and service availability constraints. Its portfolio maps to several enterprise IT and telecom categories, including fixed voice services (enterprise telephony), mobile network services (enterprise mobility), internet service provision (network connectivity), and enterprise connectivity (WAN and private networking). These services support use cases such as branch interconnection, access to cloud-hosted workloads where permitted, and integration with public e‑services.
From an architectural perspective, ETECSA_Cuba’s environment combines legacy PSTN infrastructure with IP-based networks and mobile core systems, interfacing through standardized protocols such as SS7 in traditional telephony domains and IP-based signaling and transport in data and mobile domains. This mixed architecture is common among incumbent national operators and supports coexistence of legacy enterprise systems with newer IP and mobile solutions. For technical stakeholders, understanding ETECSA_Cuba’s role and service catalog is central to designing compliant and operationally viable network and application strategies within Cuba.
Our description of ETECSA_Cuba. Updated December 2025.
