Reliable technology partners for sustainable innovation

Our strategic partners are pioneering companies with whom we are at the forefront of IT development. Through close cooperation in areas such as network technology, server solutions, and IT infrastructure, we create the basis for long-term success and innovation. These partnerships are characterized by mutual respect and the will to jointly implement new, future-proof solutions.

TE-SYSTEMS

TE-SYSTEMS GmbH is an established German company based in Wolfsburg that has specialized in software solutions for telecommunications (in particular IP telephony, PBX software, call center applications, and VoIP middleware) for over 30 years.
With anynode, TE-SYSTEMS offers a software-based session border controller (SBC) that securely and flexibly connects SIP trunks, cloud PBX, and platforms such as Microsoft Teams or Zoom. For 3U TELECOM, anynode is therefore an ideal addition to its range of modern VoIP services such as direct routing, secure SIP trunking, and hybrid cloud communication—all GDPR-compliant and “Made in Germany.”

„Laptop mit geöffnetem Bildschirm, der das Logo von anynode zeigt – ein blaues stilisiertes A mit der Beschriftung ‚anynode – The Software SBC‘.
Zwei Smartphones mit dem Logo von Ingram und einer Übersicht über personalisierte B2B-Einkaufsfunktionen auf dem Bildschirm.

INGRAM MICRO Distribu­tion GmbH

Ingram Micro is a leading distributor in the IT sector with a broad product range that includes server hardware, software solutions, and IT services. Ingram has been our partner since 2020, from whom we purchase high-quality server hardware from DELL, among others. The cooperation with Ingram enables us to provide reliable and powerful infrastructure for our customers and to develop innovative IT solutions together.

Arrow ECS GmbH

Arrow ECS is an international distributor in the IT sector that provides a variety of technology solutions for businesses. Since 2021, we have been working with Arrow to source products such as FortiGate brand firewalls, Microsoft, Veeam, and VMware license solutions. The partnership with Arrow enables us to offer our customers comprehensive IT security solutions and state-of-the-art IT infrastructures – always in combination with the expertise and services of 3U.
Tablet mit einer modernen Benutzeroberfläche, die Informationen zu Design Engineering präsentiert, einschließlich einer Schaltfläche zum Lernen und einem Slider für verschiedene Inhalte.
Bild eines modernen Desktop-Computers mit dem Logo von Proxmox auf dem Bildschirm, ideal für Virtualisierungs- und Servermanagement-Anwendungen.

Proxmox Server Solutions GmbH

Proxmox is an innovative software manufacturer from Austria that develops solutions for the virtualization of servers, including the popular hypervisor: Proxmox VE. Following the sale of VMware to Broadcom and the associated price increases, we have been relying primarily on Proxmox since 2024 to operate our data center infrastructure efficiently and cost-effectively. This partnership enables us to offer our customers flexible and scalable virtualization platforms – in close cooperation with Proxmox and 3U.

STULZ GmbH

STULZ is a leading provider of innovative air conditioning solutions, especially for the data center sector. STULZ has been our partner since 2013, supporting us in providing optimal climate conditions for our data centers. Ongoing collaboration ensures that we can provide our customers with not only high-performance but also temperature- and energy-efficient IT infrastructures – in close coordination with the experts from STULZ and 3U.

Laptop mit einem Bild eines STULZ Geräts im Hintergrund, begleitet von dem Slogan ONE STULZ. ONE MISSION. Ideal für Marketing und Branding im Bereich Klimatisierung und IT-Lösungen.
Zwei Smartphones, eines mit der Veeam-Website, die umfassende Resilienz für unterbrechungsfreien Geschäftsbetrieb bewirbt, und das andere mit dem Veeam-Logo auf dem Bildschirm.

Veeam Software Group GmbH

Veeam is a leading provider of data protection software from Switzerland that is specialized in virtualization solutions. Since 2020, we have been relying on the proven Veeam solution ‘Veeam Cloud Connect’, which enables our customers to securely outsource their data backups to our data centers. This partnership supports our goal of delivering highly available, scalable, and data-secure solutions – powered by Veeam’s expertise and 3U’s infrastructure.

Fortinet, Inc.

Fortinet is a global provider of IT security solutions that protects companies from cyber threats with a wide range of products, including firewalls, switches, and access points. We have been using Fortinet solutions in our data centers since 2015 to ensure the highest security standards. The long-standing partnership with Fortinet enables us to provide our customers with reliable and high-performance security infrastructures – always with a focus on security, scalability and availability, supported by 3U.

Bild eines Desktop-Monitors, der die Website von Fortinet zeigt, mit Fokus auf Sicherheitslösungen und Netzwerkmanagement. Die Seite hebt die Vorteile der Integration von Networking und Security hervor, um Unternehmen bei der Sicherung ihrer digitalen Infrastruktur zu unterstützen.
Tablet mit einer modernen Website, die Informationen zu Dienstleistungen und Angeboten präsentiert, auf einem schlichten Hintergrund platziert. Die Benutzeroberfläche zeigt ein ansprechendes Design mit klaren Call-to-Action-Elementen.

Communi5

Communi5 has been our reliable and innovative partner since the early days of 3U TELECOM. As an in-house supplier for our wide area switching systems, including MGC, databases, call tracers and CMS servers, Communi5 plays a crucial role in the cost-effective and reliable provision of our voice services. Smaller Compact systems are also used both internally and for customers. A particular highlight of our partnership was the joint development project of the Call Viewer, which today enables us to provide call data in real time.

Alexander Hesse

Produkt- & Partnermanagement

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