Eventide’s NexLog DX-Series is a U.S.-made recording platform deployed in FAA towers, en route centers, airport operations facilities, and hundreds of civil aviation sites worldwide. With over three decades of delivering innovative recording solutions for the aviation industry, Eventide provides proven reliability for agencies modernizing under FAA mandates.  

NexLog DX-Series recorders are engineered to capture, synchronize, and retain voice, screen, and data inputs in one secure system, supporting regulatory compliance, incident reconstruction, and operational accountability. Systems meet FAA and global standards, including ED137 B/C and FIPS 140-2, and are actively chosen over single-purpose embedded recorders for their flexibility and performance.

Learn more about how NexLog DX supports FAA voice and data retention requirements.

Eventide recorders are made in the USA. Our NexLog DX-Series software development, software QA, sales, production, fulfillment, and technical support teams are all located within the United States. Eventide is based in Little Ferry, New Jersey, less than 120 miles from the FAA William J. Hughes Technical Center in Atlantic City.

Eventide offers FIPS 140-2/3 Compliant NexLog DX recording software specifically designed to meet the enhanced encryption and system security requirements of the Federal Telecommunications Infrastructure (FTI) and Future En Route Services (FENS) program. This software has been developed for compliance with the applicable DISA, FISMA, DoD, and NIST standards. It includes an FIPS-recognized Linux distribution and FIPS 140-2/3 software encryption modules.

NexLog DX-Series recording solutions are available in multiple form factors across all deployment options.

• Purpose-built redundant hardware appliances with built-in system-level redundancy
• Built-in quad redundancy architecture capable of accommodating 99.99999% availability
• Virtualized software on commercial off-the-shelf hardware
• Cloud deployment models
• CloudSync and network storage back-ups compliant with FAA data centre regulations

Eventide is a recognized authority in ED137 B/C recording and is fully compliant with ED137/4C recording requirements for the specified standard. Eventide contributed to the development of the ED137 VoIP recording standard and continues to shape its evolution. Additionally, we have participated in FAA-sponsored and sanctioned interoperability events (plug tests) that included all major GRS, CWP, and VCCS current and future suppliers to the FAA.

As a trusted provider of 911 recording software for 911 centers across the U.S. since the 1990s, Eventide Communications now serves approximately 4,000 Public Safety Answering Points (PSAPs). NexLog DX 911 recording systems offer continuous, reliable recording of 911 calls, including video and screen activity, along with critical metadata. NexLog DX-Series recorders boast advanced quality assurance (Q/A) and data analytics tools to enhance operations. These tools allow 911 centers to evaluate real-time call-taker and dispatcher performance using detailed metrics such as response times, call resolution, and protocol compliance. The system captures vital communication data and provides insights through customizable reports, helping managers identify training opportunities and track performance against operational goals. Integrated speech analytics, phrase detection, and AI-based tools further improve incident review and process optimization. With 85+ integrations, Eventide's 911 call recording system offers seamless interoperability and scalability, ensuring PSAPs have the tools they need for legal defense and operational success today and future growth tomorrow.

As a trusted provider of 911 recording software for 911 centers across the U.S. since the 1990s, Eventide Communications now serves approximately 4,000 Public Safety Answering Points (PSAPs). NexLog DX 911 recording systems offer continuous, reliable recording of 911 calls, including video and screen activity, along with critical metadata. NexLog DX-Series recorders boast advanced quality assurance (Q/A) and data analytics tools to enhance operations. These tools allow 911 centers to evaluate real-time call-taker and dispatcher performance using detailed metrics such as response times, call resolution, and protocol compliance.

The system captures vital communication data and provides insights through customizable reports, helping managers identify training opportunities and track performance against operational goals. Integrated speech analytics, phrase detection, and AI-based tools further improve incident review and process optimization. With 85+ integrations, Eventide's 911 call recording system offers seamless interoperability and scalability, ensuring PSAPs have the tools they need for legal defense and operational success today and future growth tomorrow.

Designed for both large districts and smaller departments, NexLog DX-Series recorders ensure secure, court-admissible recordings that enhance post-incident reviews and accountability. Fire and Rescue agencies do the right thing 98% of the time, and with an Eventide recorder, you can prove it. NexLog EXP is a compact, affordable recorder for organizations needing eight or fewer audio inputs recorded. For complete command vehicle and fireground recording coverage, NexLog EXP-M is a DC-powered recording solution for your rugged, remote, and off-grid fire and rescue applications. Protect your agency with proof of protocol.

Eventide’s NexLog DX-Series recorders are commercial off-the-shelf (COTS) recording solutions that fully support all five major FAA CINP domains:

• Telecommunication Infrastructure Management
• Air/Ground Voice Communications
• FAA Voice Switches and Recorders
• Information Management
• Cloud Integration Services

Voice ATC Recording

• Full support for ED137 B/C VoIP protocols
• Controller working position (CWP) audio
• Voice communication and control systems (VCCS):
  Eventide captures all associated voice paths to ensure complete coverage of air-ground and ground-ground interactions
• Ground radio station (GRS) audio, including transmissions between aircraft and control towers, and between different ground stations. NexLog DX systems support direct recording from GRS hardware for accurate, synchronized documentation.
• Ambient microphone recording
• Legacy telephony (analog, digital, T1/E1, ISDN)

Screen and Video ATC Recording

• Software-based screen recording for Linux and Windows-based CWPs and ATM Displays
• Hardware-based "At-the-Glass" recording
• High-definition IP video capture with synchronized audio replay
• Built-in tools for securing and managing incident recordings

The MediaWorks DX user interface simplifies recording management. With an intuitive layout and powerful search capabilities, MediaWorks has a dedicated ATC mode, enables authorized users to impound, quarantine, analyze, and export incident data quickly and efficiently.

Critical Insights AI, Eventide’s advanced data analytics platform, complements NexLog DX systems to optimize ATC/ATM recording operations. This cloud-hosted artificial intelligence solution adds redundancy while enabling transcription, and word and radio code spotting and alerting for streamlined incident reconstruction and analysis.