The EATF supports session continuity (e.g., Handover) of an emergency call initially established using IMS when movement of the UE requires a change of access network from packet network (e.g., LTE) to circuit network (e.g., GSM or UMTS).

A national public warning system that, together with other emergency notification mechanisms, is part of an overall national public alert and warning system under the jurisdiction of the Federal Emergency Management Agency (FEMA), an agency of the Department of Homeland Security. EAS is a newer version of a national public warning system that replaced the Emergency Broadcast System (EBS) in… (Read More →)

The EBS is composed of AM, FM, and TV broadcast stations; low-power TV stations; and non-Government industry entities operating on a voluntary, organized basis during emergencies at national, state, or operational (local) area levels. [47CFR]

A functional element in a NENA i3 system that uses the LoST protocol [RFC 5222] where location information (either civic address or geo-coordinates) and a Service URN serve as input to a mapping function that returns a URI used to route an emergency call toward the appropriate PSAP or responding agency based on the caller’s location. See CLEI™ Code. (CLEI™… (Read More →)

A modified changeover procedure that is used whenever the normal changeover procedure cannot be used because of failure(s) in the signaling terminal equipment or inaccessibility between the two involved signaling points. [T1.226-1992]

A transmitter of an aircraft or survival craft actuated manually or automatically that is used as an alerting and locating aid for survival purposes. [NTIA] [RR]

A station in the mobile service the emissions of which are intended to facilitate search and rescue operations. [NTIA] [RR]

A web site intended for information sharing by the Federal Response Plan (FRP) community.

A special attendant position used to terminate emergency calls. It provides sufficient signaling and display capabilities to support the functionality of routed, bridged and transferred emergency calls. [After T1.628-1993]

A call identified as receiving emergency service treatment. The call has an associated CESID (caller's emergency service ID), bridging, and transfer numbers. [T1.628-1993]