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voice communications system

Voice Communications System

Our VoIP solution inside and outside based integrating radio, telephone, hot-line and intercom, suitable as operational or fallback VCS system. Concept applied grants this VCS exceptional features and high level of resistance against failure.

  • Voice Communications System
  • Recording & Replay System
  • ATIS
  • Time Reference System
  • Voice Recognition & Synthesis
  • Controller Stress Monitor


  • Fully digital chain between operator and transceiver
  • COTS hardware
  • Monitoring and voice sharing available in country-wide network


  • Colour touch-screen Control Panel and set of audio accessories
  • Configurable
  • Analog and VoIP radios, network and remote  control
  • Analog and VoIP PBX and telephones
  • Special features for simulators


Digital NOTAM is not a new thing, however AIXM 5.1 brings an essential breakthrough in D-NOTAM implementation. Task of ORION designed for airport is to collect and maintain a database of NOTAMS and to provide them to those who need to know in a comprehensive selection.


  • Guided NOTAM preparation eliminating errors
  • Unique geographical elements reference
  • Multi-airspace geographical database (from AIPs)
  • Independent collection of NOTAMs ready for pilots and ATC


  • Static airspace database
  • Dynamic D-NOTAM database
  • Cross-checks and graphical access to information
  • Receive and send D-NOTAMs in AIXM 5.1 format
  • Export D-NOTAMS for pilots’ briefing
  • Export D-NOTAMS into ATM system


Sram & Mram Ltd through its partners designs, installs and maintains turnkey automation, telecommunication and information systems for air traffic management & air traffic control system including :

State of the art digital and analog voice communication systems (VCS), with flexible and customizable HMI and recording options, optimized for low-band networks (VSAT) and compliant to ICAO and EUROCAE standards.

Integrated tower working position (ITWP), a scalable operating position which concentrates, in a single software interface, the monitoring and control of multiple airfield systems : runways lighting, AFTN, AMHS, AIS, time synchronization, ATIS, D-ATIS, weather information, NAVAIDS, blinds, access and CCTV control, power generation status…

IP VCS simulator (Voice@Net), used for controllers training in the field of radio and telephone communications.ScanSim (SIMULAVIA consortium), a simulation system which covers controllers training for radar and procedural control services.

We also have the capabilities to provide you with turnkey solutions for your fixed or mobile control towers, telecommunication shelters, or remote VHF/VSAT stations. We can provide solutions in achieving AFISNET and REDDIG networks.


Networks are in our genes, in the core business of SRAM. Our expert teams master all types of network. They will design the appropriate technical architectures to suit your precise needs and to support any data type communication (Voice, Data, Image) over any distance (local, national, continental, worldwide):

  • Ground to ground and ground to air radio communications : MF, HF, VHF, UHF, remote VHF/VSAT stations, TETRA, INMARSAT
  • Telephony : IPBX, PABX
  • Local Area Network, Wide Area Network, Internet access, network security and integrity, cyberdefense, data centers
  • Fiber optics, MicroWave, Mesh, GSM-R… infrastructures

These core competencies apply to aeronautics and many other business fields in which SRAM is involved: oil & gas (offshore & onshore facilities), homeland security, transportation, power distribution…

But the skills are nothing without the knowledge of, and the presence on, the ground: site survey, design, procurement, integration, installation & commissioning, onsite training, hotline & maintenance make up the bulk of a full range of basic services that we delight to share with our customers.


SRAM also provides you with the runway infrastructure devices & systems:

  • Production and backup power plants: fossil-fuel and hybrid powered generators, solar panels and wind turbines. Wiring and distribution
  • Runway lighting, signaling and access control
  • Navaids: VOR, ILS, DME, NDB, DF…
  • Weather stations…

Air traffic controllers and service agents control and monitor all of the systems, from the control tower or any networked location, thanks to our centralized ITWP software solutions.


With a wide experience in homeland security projects (cities, defense, and critical infrastructures), SRAM can provide solutions for safety and security of persons and goods in airports, including:

  • Perimetral protection
  • Intrusion detection
  • Video surveillance : CCTV, image recording & processing, video walls
  • Access control for public and restricted areas
  • Video management systems and Control rooms

Our partnerships with the world leading manufacturers and our integration ability will open you the door to the world of the most advanced technologies in the safety/security domain.