Glossary of Terms

Understand basic Public Safety definitions and terms.

CLLI

Definition:

Common Language Location Information. An 11 digit alpha‐numeric code that encodes location and equipment type. (First 4 digits = City; Next 2 digits = State; Next 2 digits = Location; Last 3 digits = Equipment Type).
**LECs use CLLI to identify their Selective Routers. Intrado uses an ESSID code for SR identification. 

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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InterLATA

A term used to describe services, revenues, and functions that relate to telecommunications originating in one LATA and terminating in another LATA...

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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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Radio Dispatch

This system is interfaced with the LMR (Land Mobile Radio) system of each agency (there may be several). Its purpose is to connect the ECC with first...

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