Glossary of Terms

Understand basic Public Safety definitions and terms.

DMS

Definition:

Data Management System - A data base managed by the telephone company which includes ANI and ALI information.

SDE

Spatial Data Engine. Manages spatial data in a relational database management system and enables it to be accessed by ArcGIS, ArcView, and web...

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Entity

Entity is a TSS data element designated by Intrado to simplify data management by grouping MSAG records. The Entity represents a geographical area...

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ALI Database

A database managed by Intrado or other 9‐1‐1 hosts. The ALI database is accessed by the PSAP when a 9‐1‐1 call comes in; it is accessed by the telco...

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TDMS

Transitional Data Management Services.

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