The evolving customers’ needs and the progress in the development of new features require companies to be ready to provide new solutions capable of answering such needs, especially for civil and military applications, where reliable and secure communications are vital.

Mission- and safety-critical applications (e.g. Airport Towers, Area Control Centres, Military Commands, Operations Rooms) are the target of SITTI offer of products and services, that are now under the umbrella of a comprehensive new market brand that encompasses natively integrated solutions: SYNCRONIS®

This includes all systems and solutions that SITTI can offer to its customers, who can rely on SITTI long-term experience and expertise: VCSs, VoIP Gateways, Recorders, Radios, Networks, Consoles, Clocks, Integrated Information Systems, Design&Project Management, Advanced Logistics, Training.

The resulting turnkey solution covering all aspects of a modern communication network is visually described in the new company video that is being officially released today.

Please enjoy its view from our website or from YouTube at the following link:


SITTI is a reference point in the global market when it comes to integrated systems and solutions for civil and military mission- and safety-critical applications, like Airport Towers, Area Control Centres, Military Commands, Operations Rooms for Fire Brigades, Police, Emergencies and Public Utilities, Vessel Traffic Service, wherever reliable, secure and controlled communication is required.

To even more underline the high integration capability native to SITTI products, SITTI is today officially launching its new brand:

This new brand is encompassing all systems and solutions that SITTI can offer to its customers who can rely on SITTI long-term experience and expertise to cover their challenging and evolving needs, by possibly upgrading and expanding their installations through a large portfolio of products belonging to the same compatible family.

SYNCRONIS® includes Voice Communication Systems, Integrated Information Systems, VoIP Gateways, Recorders, Radios, Networks, Consoles, Clocks, Design&Project Management, Advanced Logistics, Training. This translates in a turnkey solution that covers all aspects of a modern communication network.

SYNCRONIS® is a brand that, from its name already, recalls the unique synchronisation and integration features” – Roberto Weger, Communications and Innovation Manager, says – “that are driving the increasing research and development activities carried out by SITTI.

The message we want to transfer to our customers” – Claudio Tognoni, Area Manager, says – “is that SITTI is a one-stop integrated solution provider, capable of giving exhaustive answers to all their needs in the field of radio and telephone communications.


SITTI is a primary manufacturer of Voice Communication Integrated Solutions, delivering its products worldwide. In order to further better tackle the challenges in the air traffic control market, in their meeting of April 29th, the shareholders decided a re-arrangement of the roles and responsibilities in the leadership and management of SITTI:

  • Patrizia Crovato (see picture) is the new President of SITTI
  • Mario Scovenna takes on the position of General Manager
  • Andrea Sasselli assumes the role of Technical Director
  • Giorgio Donnini is in charge of the Business Development

We wish all of them a fruitful work for the present and future development of the company.


In 2019, after strong competition, AAI (Airport Authority of India) awarded SITTI a major contract for the delivery of a large number of Voice Communication (VCS) and Voice Recording Systems (VRS) to serve the whole Nation.

Following a detailed installation plan, the delivered systems have been put gradually into service, according to the identified AAI needs and requirements. SITTI is glad to be in the position of announcing that another set of systems successfully completed their SAT (Site Acceptance Test) and are ready for entering into real operation at the following cities:

  • Bhavnagar
  • Bhopal
  • Dimapur
  • Hubli
  • Trichy
  • Vadodara
  • Raipur
  • HAL Bangalore

These Voice Communication Systems belong to the top performing MULTIFONO® M800IP® family, fully compliant to the international ED 137 VoIP standard for VoIP applications in the Air Traffic Control field. They are in charge of managing local and remote radio stations, where appropriate gateway devices grant the possibility of taking full advantage of the standard ED 137 performances.

The provision of such a large number of systems and ancillary equipment to the Airport Authority of India comes after other successful projects in the same area, where SITTI products have been found as the best choice for the fulfilment of the challenging requirements set by the management of big air traffic movements. Thanks to the supplied systems and the extraordinary positive reputation gained in many years of presence in India through other large projects, SITTI is proud of supporting AAI to further contribute to the development of the Indian region.

The long-term presence in the market of mission-critical systems for very demanding customers allows SITTI to present its solutions to all organisations where secure, reliable and controlled communications are required through integrated communication solutions, with high efficiency and effectiveness for flight safety.


The air traffic over the Maldives archipelago is already managed through a SITTI system that was installed some years ago. The connectivity from VCS to the radio sites have been recently converted from analogue to MPLS, hence there is a need to connect the radio devices to the existing MULTIFONO® system via a WAN.

The interface to the new radio sites is going to be granted by means of SITTI GVS gateways (Gateway Voice System), that provide the capability of converting analogue signals to standard VoIP messages and protocols, thus allowing any kind of radio equipment to be interfaced over a LAN or WAN. Similar gateways are also available for telephone links.

GVS devices have been conceived to provide the Customers with a powerful and a cost-effective solution to handle legacy analogue connections and convert them to the latest VoIP technology, in accordance with EUROCAE VoIP Recommendations (ED136, ED137, ED138). These products are characterized by very high flexibility, expansibility, modularity, reliability, in line with the overall architectural principles that drive all SITTI VCSs (Voice Communication System).

Remote radios are connected over the WAN via unicast IP links (RTP) that are automatically transformed into an internal multicast IP session, to allow many different controllers to access the same radio while saving bandwidth on the connecting WAN. Thanks to two independent Ethernet connections to the internal LAN and other two connections to the external WAN, GVSs ensure redundancy and non-blocking 24-7-365 functioning.

Once again, even through the provision of VoIP radio gateways to Maldives, SITTI proved its being a complete solution provider, helping the customer to properly deal with all voice interfaces that are made seamlessly available to the controllers, regardless of their being analogue or standard VoIP.

New SITTI-ENAV Integrated Tower Product

At the World ATM Congress 2021 in Madrid, SITTI and ENAV Group are jointly announcing their new product Tower Integrated Information System (TIIS), a co-brand turn-key solution to integrate all systems and applications used in ATC Towers.

Come visit us at booth 562.

TIIS complete configuration is composed by:

  • ATC Console
  • TIIS Management Application
  • Tower Electronic Strip Bay
  • Tower Controller Working Position
  • Workstation for Flight Data Processing
  • Automatic Weather Observation System
  • Digital Automatic Terminal Information Service
  • Aeronautical Dynamic Data Management
  • Aeronautical Message Handling System
  • Voice Communication System
  • Audio/Video Recording and Playback System
  • Local and Remote Alarm Systems
  • Runway Lights
  • Ancillary equipment (Cameras, I/O devices)

Thanks to TIIS Management Application, all or part of the above systems can be supplied and integrated. Furthermore, its scalability and flexibility allow the integration of third-party legacy systems. Tower Integrated Information System is a hardware/ software solution for airports of any size or Remote Towers, which concentrates different data sources into one integrated product that reduces the number of objects on the controller working position desks. The ATC applications can be arranged in configurable desktops and layouts, each dealing with different management aspects, according to the Customer needs.


The tight schedule defined for the supply of VCS systems to the Airport Authority of India (AAI) has not being delayed due to the Covid virus emergency situation. The last two lots found their way to their final destination according to the agreements with the customer. The last boxes of the last lot left SITTI in the first week of September to reach the Indian sub-continent.

This important contract was awarded to SITTI in June 2019, after a very competitive bidding process. It represents a big step towards the modernization of their Air Traffic Control infrastructure all over the country and one of the biggest successes for SITTI.

The large amount of equipment foreseen by the contract proved the capability of SITTI to cope with high volumes of production,” – Marco Scalia, SITTI Program Manager for this project, said – “by at the same time keeping the same quality standards for all of them, according to the strict applicable analysis and process standards applied by the company.

In less than one year, SITTI completed the delivery of all foreseen systems and ancillary equipment. We are here speaking of 48 main VCS system plus 16 fallback ones, 77 remote radio stations, 726 controller working positions, 48 voice recording systems.

The significant investments made by SITTI in improving its internal processes and the optimisation of the production lines put the company in the position of being capable of dealing with large supplies like this, without renouncing to the topmost quality level that make it the reference company worldwide for ATC devices, systems and solutions.” – Roberto Weger added, Communications Manager at SITTI.

All systems supplied to AAI belong to the top performing MULTIFONO® M800IP® family, fully compliant to the international ED 137 VoIP standard for VoIP applications in the ATC field. The extremely easy configuration capability and the flexibility of the functions embedded into the boards and Controller Working Positions make M800IP® the best choice VCS. Top-performing Voice Recorders and VoIP Gateways provide the ancillary functions that complete the offer by SITTI.


Myanmar is a country where the consolidated relationship with SITTI through Samart U-Trans Co.Ltd., a Thai company, brought to the installation of a brand new MULTIFONO® M800IP® Voice Communication System at the Yangon Air Control Centre (ACC), as reported here:

The introduction of the new VCS is contributing to the development of the country, by ensuring a higher level of flight safety and reliable communications. The system also included a small simulation facility for the local Air Traffic Management Centre (ATMC).

In order to further improve the situational awareness of air operators and their prompt response to all possible events that may occur over the country, a new simulation system is going to be supplied by SITTI. This includes a number of controller working positions from which trainees can simulate the various route conditions, in order to provide a better service for safe flights.

SITTI is a primary VCS manufacturer and supplier worldwide, capable of giving prompt and top edge solution answers to Customer needs, both in the Civilian and Military fields. The leading edge, redundant, non-blocking architecture of the MULTIFONO® M800IP® provides flexibility and modularity for easy expansion and addition of further functionalities.


SITTI is proud to announce that on July 24th, 2020, it received the CERTIFICATE OF APPROVAL for its MULTIFONO® M800IP® voice communication system from CAAC, the Civil Aviation Administration of China. The certificate states that the system “complies with the civil aviation CNS equipment certification rules (CCAR-87) and relevant provisions”.

This very important achievement has been reached with the help of the Beijing XiDi Communication Technology Ltd company that provided all required support and local knowledge. The certificate has been obtained after submitting the M800IP® VCS system to a large set of tests and after providing extensive proof of compliance to international rules and standards, including (but not limited to) ED137. This latter is the standard issued by EUROCAE for the definition of the way VoIP (Voice over IP) shall be used in the ATM field.

Mr. Giuseppe Vasquez is the SITTI Program Manager who followed all procedures and steps that led to the issue of the certificate. “This important result once more underlines the high competence of our company, capable of submitting to CAAC a product that fully passed all technical and compliance steps. CAAC requirements are comprehensibly very strict and demanding, because of the high responsibility they have to ensure voice service continuity for a safer sky over China”.

MULTIFONO® M800IP® demonstrated its built-in flexibility and adaptability, being able to pass without problems all the stringent rules imposed by CAAC to get the certificate of approval”, Mr.Claudio Tognoni – SITTI Commercial Officer for China – said.


The supply of VCS system to the Airport Authority of India (AAI) is proceeding according to the schedule. This important contract was awarded to SITTI in September 2019 (read here for more details), after a very competitive bidding process. It represents a big step towards the modernization of their Air Traffic Control infrastructure all over the country and one of the biggest successes for SITTI.

The contract is intended to serve 45 airports across the country, plus Civil Aviation Training College (CATC) and Specialized Maintenance Unit (SMU) with a large number of Voice Communication Systems (VCS) and Voice Recording Systems (VRS). The provision of the systems would have occurred in 5 lots. Two of them, covering the North-East and North region of India have already been shipped, and now it is the turn of the Western area:

  • 11 MAIN VCS Systems
  • 3 FALLBACK VCS Systems
  • 170 Controller Working Positions (CWP)
  • 22 Interfaces to Radio Remote Sites
  • 11 VRS Recording Systems

The following airports and facilities are involved (in alphabetical order):

  • Ahmedabad (main+fallback system)
  • Aurangabad
  • Bhavnagar
  • Bhopal
  • Indore
  • Mumbai ATC Complex (main+fallback)
  • Mumbai TWR
  • Nagpur (main+fallback system)
  • Rajkot
  • Surat
  • Vadodara

All systems supplied to AAI belong to the top performing MULTIFONO® M800IP® family, fully compliant to the international ED 137 VoIP standard for VoIP applications in the Air Traffic Control field.