Glossary of Terms

Understand basic Public Safety definitions and terms.

X,Y

Definition:

Commonly used to refer to geographic coordinates (Longitude and Latitude). Horizontal axis: x. Vertical axis: y.
Longitude values are considered the x‐coordinate, while latitude values are the y‐coordinate.

Location by-value

In the context of location information to support IP based emergency services, a PIDF‐LO containing the location of an IP end‐point that can be...

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Fixed Bridge List

The set of "star" codes that the PSAP can choose to assign to different destinations (like Poison Control). The numbers are PDSAP dependent, not ESN...

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Unified Notifications

Integrated systems that combine various communication channels (such as voice calls, text messages, emails, and mobile app notifications) into a...

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AOA

1) Data sent from the Location Finding Equipment (LFE) to the Location Finding Controller (LFC). 2) A technique for determining the caller’s location...

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