Communication Excellence

Communication Excellence

First-class telecommunications solutions from the pioneer and technology leader in VoIP and one of the first Internet Service Providers in Germany

Current News

May 8, 2025

CNT in Switzerland – Strategic Partnership with AAA

Together with AAA, CNT is strengthening its commitment to the Swiss market – building on established customer relationships and ongoing projects.

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April 16, 2025

Smartphone App for iOS and Android​

The CM Mobile App brings the powerful Cloud PBX and UCC features of CNT Call Manager directly to your smartphone.​

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March 3, 2025

Gigaset Relies on CNT

The leading manufacturer of DECT phones in Europe has chosen CNT Call Manager as its new telephone system and seamlessly integrated its own DECT infrastructure.​

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January 30, 2025

Motel One – CNT Call Manager in 96 Hotels

CNT Call Manager is exclusively deployed across all Motel One locations, ensuring efficient, cross-site communication.​

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Cloud Communications

CNT Call Manager
Cloud Communications

CNT Call Manager

The only true Cloud PBX with all UCC services

Cloud communications for medium and large enterprises

Cloud Communications
  • Cloud PBX

    The Flexibility of a True Telephone System

    Cloud PBX
  • UCC

    Conference, Chat, Presence – All in One

    UCC
  • CM App

    The App for Desktop and Smartphone

  • SIP Phones

    Unlimited Selection of Devices

    SIP Phones
  • Integrations

    Seamless Connection to Proven Systems

    Integrations
  • Applications

    Solutions for All Use Cases

    Applications
  • CNT SIP Connect

    The Reliable Telephone Connection in Many Countries

    CNT SIP Connect
  • Tariff Model

    Simple, Transparent, and Flexible

    Tariff Model
  • The Foundation

    Security, Scalability, and Flexibility

    The Foundation

Solutions

Network Services

Network Services

Since 1995, CNT has provided internet access and site networking for medium and large enterprises with comprehensive availability throughout Germany and at many international locations.

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Carrier Trunking

Carrier Trunking

CNT offers high-quality SIP trunks as a carrier's carrier for telecommunications providers as a wholesale product – available in many countries worldwide.

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CM Resale

CM Resale

CNT Call Manager is successfully marketed by system houses and integrators as their own product. Targeted adjustments to specific target groups maximize value creation.

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References

Bankenverband
DBK Group
Deutsche Post
Dorfner Gruppe
Gigaset
Kommunaler Versorgungsverband Baden-Württemberg
Motel One
Snom
Sprint
TKS