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

February 2, 2026

CNT Now on cnt.com

cnt.com is the digital home of our brand – clear, global, and unmistakable.

October 13, 2025

U.S. Armed Forces – Telecommunications for 75,000 Service Members

CNT supports strategic U.S. military installations in Europe by providing secure and reliable communication services.

August 22, 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.

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.

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

Reliable internet access and high-performance site networking for medium-sized and large companies – since 1995, with nationwide availability in Germany and at numerous international locations.

CNT Carrier Trunk

A centralized wholesale trunk for carriers and service providers: voice services in the German market and international customer coverage through the same technical connection.

CM Resale

CNT Call Manager as an own-branded product for IT providers and integrators – with targeted customization, strong added value, and tailored solutions for different customer groups.