Selected Case Studies:

Take a look at our case studies below to get a feel for our expertise:

Case Study: 3CX solution, City of Halberstadt (English)

„IANT delivered the concept and starter system for our telephony solution. We were able to take the migration process into our own hands and even save costs while enjoying the new features of a modern solution.”

Clemens Schmieder, Head of IT Stadt Halberstadt

Case Study: 3CX für die Stadt Halberstadt

Case Study: System Integration Spectralink DECT and MS Teams, Aquatherm (English)

„With Microsoft Teams Phone, telephony became possible at any location. It can bring the analog world into the digital age.“


Matthias Herfter, OT Technical Engineer at aquatherm

Case Study Spectralink for Aquatherm

Case Study: 3CX Telephony and Contyct Center Solution, OCC Assekuradeur GmbH (German)

„IANT worked closely with us to design our 3CX telephone system and contact center solution. The deployment was done professionally in the shortest possible time. Our new telephone system is now saving us over € 2,000 monthly, without sacrificing functionality or comfort. We are looking forward to working with IANT and are excited about our newly gained flexibility.”

Jan Ebinger, IT Project Manager — OCC

Case Study 3CX für OCC

Case Study: 3CX Telecommunications Solution for 1,200 Users, Helmholtz Centre for Infection Research (German)

„IANT has designed an open-standards compliant VoIP-UC telephony solution tailored to our specific requirements. IANT executed the deployment of the system competently, utilizing a gradual migration scheme. Together we defined the features we required and also developed a robust data protection concept. IANT regularly implemented our requirements in a very short time.” 

Dr. Joachim Metge, Head of IT — HZI

Case Study 3CX für HZI

Case Study: Spectralink DECT and 3CX Solution, HELLER-LEDER (German)

„IANT supported us throughout the project competently and always with a short reaction time. Configuration changes such as changing our SIP provider were made without any downtime.”

Karsten Hoffmann, IT Manager at HELLER-LEDER GmbH & Co. KG

Case Study 3CX für Heller Leder

Case Study: SBC Solution to Connect CISCO Telephone System to DFN VoIP Trunk, Ostfalia University (German)

„Thanks to IANT’s in-depth experience with Session Border Controllers, they were able to migrate the datacenter of the Ostfalia University from ISDN to DFN VoIP-Trunking for our CISCO Unified Communications telephone system smoothly and cost effectively. 

Dr.-Ing. Thorsten Ludewig, Leitung Rechenzentrum

Case Study: Session Border Controller für die Ostfalia Hochschule

Case Study: 3CX Solution, Netzlink Informationstechnik GmbH (German)

„I am honestly excited about the new telephone system and the many new possibilities for our communications needs that this makes possible.” 

Sven-Ove Wähling, Geschäftsführer Netzlink

Case Study: 3CX for Netzlink

Case Study: SipX Solution, Pädagogische Hochschule Oberösterreich (German)

„Since deployment (that was app. 6 or 7 years ago) there has not been one minute of downtime. Judging by the resources, that is a powerful testimony. IANT made this possible through their dependable and thoughtful work.” 

Thomas Peterseil, Pädagogische Hochschule Oberösterreich

Case Study: SipX für die Pädagogische Hochschule Oberösterreich