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ED 137 Radio Testing and ED 138 Monitoring

Product Pages : https://www.gl.com/test-solutions-for... https://www.gl.com/air-traffic-manage... https://www.gl.com/air-traffic-manage... https://www.gl.com/air-traffic-manage... Contact us : https://www.gl.com/inforequestform.ph... GL Communications provides a comprehensive suite of VoIP test, analysis, and monitoring solutions purpose-built for Air Traffic Management (ATM) systems. Designed to support Controller Working Positions (CWP), Ground Radio Stations (GRS), Voice Communication Systems (VCS), Recorders, Radios, and Gateways, these tools help ANSPs and OEMs ensure interoperability, reliability, and EUROCAE standards compliance across ED-137 and ED-138 interfaces. GL stays aligned with evolving ED-137/ED-138 updates and supports full IPv6 operation for modern ATM networks. Our solutions enable users to emulate, verify, monitor, and measure critical communication paths used in air-ground and ground-ground operations, ensuring seamless ATM VoIP deployment. MAPS™ – Unified Platform for ED-137 Interface Emulation GL’s Message Automation & Protocol Simulation (MAPS™) provides a unified platform for ED-137 interface testing. Using a standard PC and NIC, MAPS™ can emulate ED-137 Radio, Telephone, and Recorder interfaces for end-to-end testing of ATM voice systems. MAPS™ provide engineers with a flexible, script-driven environment for functional, regression, and stress testing of ED-137 systems. Key capabilities include: Automated bulk call generation Complete SIP and RTP signaling procedures Custom and negative test scenarios Message construction, editing, and troubleshooting Audio generation: voice files, tones, DTMF Impairments: delay, jitter, packet loss, duplication Support for IPv4/IPv6, Unicast/Multicast Testing across analog, TDM, and IP networks ED-137 Interface Emulation and Testing ED-137 Radio (Air-Ground Communication) MAPS™ ED-137 Radio enables testing of Radio–CWP communication as defined in ED-137 Volume 1. Emulates hundreds of Radios with independent parameters Supports Push-To-Talk (PTT): Normal, Emergency, Priority Override Multicast RTP streaming Multicast RTP, SELCAL, Radio Management Messages (RMM), and Maintenance Messages (MAM) Audio generation: tones, recorded voice, DTMF Measurements: jitter, delay, media activation timing ED-137 Telephone (Ground-Ground Communication) MAPS™ ED-137 Telephone ED-137 Volume 2 (2B/2C) SIP-based voice communication. Call types: Instantaneous (IA), Direct (DA), Indirect (IDA), General Purpose (GP) Call control: Hold, Transfer, Pickup, Conferencing Emergency and priority call handling Configurable SIP traffic with audio payloads IP features: IPv4/IPv6, UDP/TCP, IP spoofing FAA Addendums 2, 4, and 5 ED-137 Recorder Interface MAPS™ ED-137 Recorder supports ED-137 Volume 4 Recorder communication. Emulates Recorder, CWP, and Radio endpoints Generates bulk air-ground and ground-ground sessions Records, replays, and analyzes VoIP audio and metadata Suitable for design verification and integration testing MAPS™ support ED-137B, ED-137C, and associated change notices. It has been validated against the EUROCAE VOTER tool to ensure conformance. ED-138 Monitoring and Real-Time Analytics PacketScan™ – Passive Monitoring for ATM VoIP PacketScan™ provides real-time VoIP call capture, decode, and quality analysis for ED-137 interfaces. It offers: MOS, jitter, delay, packet loss RTP stream analysis SIP/SDP message decoding Live call monitoring for lab and field testing NetSurveyorWeb™ – Centralized ED-138 Surveillance Platform NetSurveyorWeb™ is a web-based platform for ED-138 monitoring, offering: Real-time dashboards and alarms Multi-probe data aggregation Historical reporting and trend analysis Search, filters, and event correlation Ideal for large-scale ATM network visibility and performance tracking. End-to-End Timing and Voice Quality Measurement GL’s TM-ATM (Timing Measurements in Air Traffic Management) system provides precise validation of PTT, squelch, receiver activity, and voice transmission timing across Analog, TDM, and IP communication paths. The solution also supports all 4-wire and 2-wire legacy interfaces for comprehensive end-to-end timing and voice quality assessment. Supports: PTT activation and release timing Squelch and receiver event timing Main/Standby switching behavior Voice path delay using PESQ/POLQA TM-ATM Modules: MAPS™ Administrator – automation, test scheduling, results consolidation Packet Analyzer – GPS-based timestamping, wirespeed filtering, TTL measurements Audio Analyzer – voice quality scoring and waveform analysis Discrete Signal Logger – capture of PTT, Squelch, Transfer signals TM-ATM supports both rack-mount and portable field hardware, making it suitable for laboratory validation and live-site troubleshooting.