CS Systèmes d'Information

Designer, integrator, operator of innovative missio-critical systems for ATC, communications and cyberdefense

ATM, Navaids, Radars, Telecommunications

CS Systèmes d'Information


CS Communication & Systems designs, manufactures and deploys Voice Communications Systems (VCS), Voice recorder system and ATC IP gateways for civil and military Air Traffic Control centres.

CS expertise in mission-critical applications and systems makes it the partner of choice in sectors with strong growth potential, notably, defense, space & security, aeronautic, energy and industry areas in France as well as international.

CS is active across the entire value chain for its customers, enabling them to profit from its differentiation strategy, which leverages the company’s three main strengths.

1) Its capacity to act as prime contractor for large, complex, high-stakes projects,
2) Its aptitude for blending the benefits of different skills
3) Its innovative, expressive will to succeed in strategic projects

Today, customers count on CS, which is acknowledged by its largest accounts for expertise, commitment and the service sense of its co-workers.


Voice Communication System

CSoIP (Communication & Security over IP), is a full IP Voice Communication System (VCS) product that efficiently caters for current and future needs of civil and military Air Traffic Control facilities. CSoIP is an innovative product fully compliant with the ED-137B EUROCAE standard. Designed around a secure and redundant IP-based architecture, CSoIP is an integrated product which offers highly reliable ATC communication means in radio, telephone and intercom. 

Voice Recorder

VRoIP (Voice Recorder over IP) is an ATC Voice and Events recording and replay solution in line with the state-of-the-art EUROCAE ED-137B standard. VRoIP is a reliable product fully adapted to operations in civil and military air traffic control centres requiring extensive, specific and secured recording and replay capabilities.

VoIP Gateways

VGoIP (Voice Gateway over IP) is a complete VoIP gateway solution designed to provide civil and military Air Traffic Control (ATC) facilities driven by legacy technologies with the ability to be seamlessly interfaced with IP-based ATC components. VGoIP operates in compliance with the IP standard EUROCAE ED-137B, it offers a large range of interconnection possibilities along with a comprehensive set of functionalities leading to cost effective IP operations.

Security Information and Event Management (SIEM)

PRELUDE is a SIEM (Security Information and Event Management) which collects, normalizes, parses, aggregates, correlates and displays all security events, regardless of the supervised equipment. PRELUDE is the only hybrid SIEM natively compatible with a wide range of intrusion detection/prevention systems.


Paris-CDG Airport (France):
Design, supply and installation of the Voice Communication System (VC) backup system of the international airport Paris-Charles de Gaulle.

Regional airports (France):
Design and supply of the main VCS systems for 25 French regional airports located in metropolitan France and oversea territories. The backup VCS system is also supplied along with the main equipment for some of the 25 sites.

New-VCS (France):
Design and supply of the backup VCS systems for the 5 French En-Route (ACC) centres as part as the FABEC programme. The main VCS system and the backup VCS will accommodate the requirements issued by EUROCONTROL against the backdrop of the establishment of the Single European Sky (SES).

Belgocontrol (Belgium):
Supply of the backup VCS system of the Brussels National Airport and the CANAC En-Route (ACC) centre.

Skyguide (Switzerland):
Supply of an emergency radio system and last resort system in Dübendorf's Air Control Centre near Zurich. The system is operated by Skyguide, the Swiss Air Navigation Service Provider for Approach and En-Route operations.

ACCS-LOC1 (Europe):
Deployment of a new Voice Communication System for NATO forces allowing management of operational communications. CSoIP will be deployed in more than 18 NATO sites across more than 10 countries.

CLA 2000 (France):
Refurbishing of the totality of the military air force bases of the French Army. 18 military airports and other Air forces facilities representing at least 27 ATC sites are to be equipped with CS’s Voice Communication Systems.