GL Communications Enhances ED-137 Recorder Emulator for IP-Based Air Traffic Management Systems

GL Communications Inc. has upgraded its MAPS™ ED-137 Recorder Emulator, enhancing validation, automation, and performance testing for VoIP recorder interfaces in air traffic management. These improvements address the critical need for recorder interoperability, session reliability, and metadata accuracy in multi-vendor IP-based systems, ensuring compliance and operational integrity.

Published Mar 20, 2026

GL Communications Inc. has strengthened its MAPS™ ED-137 Recorder Emulator, enabling enhanced validation and testing for VoIP recorder interfaces in air traffic management systems. With the shift to IP-based architectures, ensuring recorder interoperability and reliability is essential.

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Key enhancements include better codec handling, IPv6 support, expanded Python API automation, and validation against VOTER systems. This solution fits within GL's broader ATM testing portfolio, which offers a complete framework for development, interoperability, and acceptance testing in modern air traffic management.