Providing the real magic of connectivity: Simplicity, efficiency, high quality and more

For two decades, we have been your secure global gateway. We make it easy for you and your customers to connect to the world and to Deutsche Telekom’s high-performance network. At the same time, you gain access to the Group’s hundreds of millions of customers. ICSS – agile at scale.

We bridge people and technology for best user experience

With future-proof technologies, innovative solutions, smart processes and the passion of our people, we drive your business forward and help you gain customer satisfaction and loyalty. Our ICSS Customer Survey, for example, revealed a positive 4/5 ranking. Let us turn your vision into a reality that goes beyond connectivity.

Join our customers and rely on our deep wholesale and retail understanding

Serving the needs of the Deutsche Telekom Group and its international affiliates, as well as 900 customers worldwide we build on a deep understanding of wholesale and retail markets. Our offering covers IP-based solutions, next-generation platforms, voice communication and mobility, content delivery, and Ethernet-focused VPN services.

With an extended security portfolio, we safeguard your revenue and reputation

The ability of hackers to launch massive, crippling attacks is on the upswing. ICSS actively fights against these threats with dedicated teams, advanced technologies and a continually expanding security portfolio. This spans from detecting and stopping fraudulent voice or SMS traffic to protecting your websites from downtime due to DDoS attacks or DNS problems.

Deutsche Telekom ICSS - at a glance

International Carrier Sales & Solutions (ICSS) is one of the world's leading carriers and an innovation driver for IP-based solutions. As an integral part of Deutsche Telekom’s International Wholesale Business Unit, ICSS serves the international wholesale requirements of the DT Group with its international affiliates and more than 900 external customers worldwide. One of the units’ core competencies is to focus on building business partnerships around the globe. With years of experience in the international wholesale communication market, ICSS has the expertise to provide clients with tailor-made solutions. The innovative technologies are offered on a global basis with a special emphasis on Europe.

Deutsche Telekom figures

  • Represented in about 50 countries worldwide
  • Presence in key markets in Europe, and the United States
  • More than 18 million broadband lines
  • 29 million fixed-network lines
  • More than 156 million mobile customers worldwide
  • More than 6 million IPTV customers
  • 7 million workstation systems marketed
  • Net revenue grows to € 74.9 billion
  • Adjusted EBITDA up to € 22.2 billion
  • Record-level investments worldwide of over 12 billion euros 

ICSS figures

  • Serving the wholesale needs of the Deutsche Telekom Group and its international affiliates
  • Contracts with more than 900 carriers and service providers worldwide
  • 20 years of expertise in the wholesale industry
  • More than 24 billion voice minutes per year
  • Tier 1 provider with an installed peering and transit capacity of more than 33 Tbps
  • Unique DDoS Defense solution in Deutsche Telekom's Network with full visibility and
    DDoS Defense in the cloud for non-IP or multi-home customers with 4 Tbps mitigation capacity

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