ED-137C5 Change 1 | Interoperability Standard for VOIP ATM Components – Volume 5 Supervision – Change 1
WG-67
Air Traffic Management
May 2025
ED-137_5C Change 1 is an update of ED-137/5C. It introduces clarifications and minor updates based on feedback from implementers, including adjustments to SIP session handling, SNMP attributes, frequency encoding, and editorial corrections.
