References
CNT Call Manager and DECT in Perfect Harmony
Seamless Integration of International Locations
Data Protection & Legal Security in Finance
Future-Proof Communication for the Public Sector
Flexible Support During Flood Disasters
Integrated Communication with CNT Call Manager
Abas is one of Germany's software pioneers. Founded in 1980, the company develops ERP solutions for mid-sized manufacturing businesses, with over 4,000 implementations in more than 25 countries worldwide. With CNT Call Manager and an API integration, telephony is seamlessly embedded into its ERP software.
Global Damage Assessment with CNT Call Manager
Audatex, a brand of U.S.-based Solera Holdings, provides software solutions for vehicle damage assessment worldwide. For internal and external communication, Audatex relies on CNT Call Manager. The powerful cloud PBX supports international teams and ensures reliable connectivity across all locations.
Data Protection and Legal Compliance in the Financial Sector
The Association of German Banks represents the interests of private banks and upholds the highest standards for data protection and legally compliant call recording. CNT Call Manager is deployed at the association's offices in Berlin, Brussels, and Frankfurt am Main. For the Brussels representation, CNT provides a dedicated SIP trunk.
Cloud Specialist Chooses Cloud Communications from CNT
As a leading European cloud provider, Claranet was listed in Gartner's Magic Quadrant for nine consecutive years. When transitioning to a modern telephony system, Claranet selected the Cloud PBX CNT Call Manager. The infrastructure is hosted in Claranet's own data centers.
Communication for the Automotive Industry
Deutsche Automobil Treuhand GmbH (DAT) serves as a neutral link between players in the automotive industry, providing independent data and analysis. For future-proof and efficient communication, DAT relies on the Cloud PBX and UCC solutions from CNT Call Manager.
Seamless Integration of International Locations
DBK is a growing, internationally active company with business areas in automotive, electronics manufacturing, and industry. Since relocating to its new headquarters in 2012, DBK has relied on CNT Call Manager, operating a redundant, locally hosted solution in its own data center. Production sites in France and the United Kingdom are seamlessly connected via international SIP trunks.
CNT Call Manager and DECT in Perfect Harmony
At the central locations of Deutsche Post in Berlin and Bonn, CNT Call Manager, combined with a powerful DECT multi-cell solution, ensures reliable communication. For maximum failover protection, CNT provides redundant internet connections, delivering data and voice services from a single source.
Efficient Communication for Over 40 Branches
The Dorfner Group, a leading provider of facility management and catering services, operates over 40 branches in Germany, Austria, and the Czech Republic, with more than 11,000 employees. Dorfner relies on CNT Call Manager as its central telephone system. The in-house IT department, staffed with trained administrators, utilizes the Admin Access for flexible and independent system management.
Modern Communication for a Company with Tradition
Founded in 1890, the family-run retail company from the Rhine-Neckar region is known for its diverse range of fashion and sports products. Since 2012, Engelhorn has trusted CNT Call Manager – supporting eight stores, 1,500 employees, a modern call center, and an extensive DECT infrastructure.
DECT Market Leader Chooses CNT Call Manager
Gigaset, a leading manufacturer of DECT telephones in Europe, has stood for quality and durability since 1941 and is the only company producing communication products in Germany. In 2025, Gigaset selected CNT Call Manager as its new phone system, seamlessly integrating its existing DECT infrastructure.
Intercontinental Networking for the Security Operation Center
ISN is recognized globally for its top-tier security solutions in the areas of executive protection, property protection, travel security, technical surveillance counter measures, and white-collar crime investigations. With locations in Rheinmünster, Germany, and Pahrump, Nevada, ISN manages a Security Operation Center (SOC) that is seamlessly interconnected across continents via CNT Call Manager.
Future-Proof Communication for the Public Sector
The Kommunaler Versorgungsverband Baden-Württemberg (KVBW) is a public-law corporation specializing in civil servant pensions, benefits, personnel services, and supplementary pensions. KVBW relies on CNT Call Manager for over 700 employees at its Karlsruhe and Stuttgart locations, with mobile users increasingly utilizing the CM Mobile App.
Global Reach for Fans
Live Nation Entertainment, headquartered in Beverly Hills, California, relies on CNT Call Manager for a powerful hotline that efficiently handles inquiries about events, tickets, and seating. With a scalable cloud PBX, customer service remains accessible even during peak demand – a crucial advantage for worldwide ticket presales.
96 Hotels Across Germany, Europe, and the USA
Motel One, the pioneer and trendsetter in budget design hotels, operates 96 hotels with over 27,000 rooms across Germany, Europe, and the USA. CNT Call Manager is exclusively deployed in all locations, ensuring efficient, cross-site communication. With a tailored rollout concept, CNT supports Motel One’s continuous growth.
Tailored Hotlines for the Green Energy Pioneer
Naturstrom, one of Germany’s leading independent green energy providers, relies on CNT Call Manager for over 20 professional hotlines. Seamless CRM integration, custom-developed features, and comprehensive reporting ensure efficient processes and optimal customer service.
CNT Call Manager Implemented in Prestigious Business Law Firm
With a team of over 80 attorneys and tax advisors across its offices in Frankfurt, Mannheim, and Munich, RITTERSHAUS specializes in advising internationally active medium-sized companies. The firm has integrated CNT Call Manager into its operations, seamlessly connecting it with Microsoft Teams and implementing comprehensive fax integration to enhance its communication infrastructure.
VoIP Expertise Meets Proven Cloud PBX Technology
Snom, a German pioneer in SIP telephony, remains committed to its Berlin development hub. When selecting its own phone system, Snom chose CNT Call Manager an impressive endorsement given its own VoIP expertise. This close collaboration ensures a particularly deep integration of Snom products.
CNT Call Manager Provides Flexible Support During Flood Disaster
Sprint, a market leader in large-scale damage restoration, relies on CNT Call Manager across its 38 branches and 1,600 employees. During the 2017 flood disaster in the Harz region, CNT swiftly deployed the necessary infrastructure for crisis centers in Thuringia and Saxony-Anhalt within hours.
Reliable Hotline Services for Events
Ticketmaster, one of the world's leading ticketing providers, relies on CNT Call Manager to operate multiple hotlines for ticketing inquiries and the management of point-of-sale systems in large arenas. The scalable cloud PBX ensures stable connections, fast accessibility, and seamless operations – even during peak demand before major events.
U.S. Armed Forces – Telephony Solutions for 17,000 Service Members in Europe
In close collaboration, TKS and CNT provide secure and reliable communication services at U.S. military installations such as Ramstein Air Base, the U.S. Army headquarters in Wiesbaden, and numerous other facilities across Europe. These services are a key part of TKS’s quad-play offering, which includes telephone, internet, TV, and mobile services.
Seamless Telephony for the Consumer DECT Market Leader
Vtech, the global leader in electronic toys and consumer DECT products, relies on CNT Call Manager at its European locations. The powerful cloud PBX ensures reliable and future-proof communication for several hundred users.
More Than 280 Locations – Over 25 Years of Trust in CNT
WBS, a leading provider of professional education, has grown to over 280 locations with 1,800 employees. Since 1998, WBS has relied on CNT for SAP training and dependable internet connections with precisely defined service levels. Since 2008, CNT has provided company-wide IP telephony – powered by CNT Call Manager since 2012.