Glossary of Terms

Understand basic Public Safety definitions and terms.

Real-Time

Definition:

An operating mode in which the information to be handled is sent, processed, and returned in a time interval that is
short relative to the perception or the requirement of the person or process requiring the information.

Bid

Process by which a PSAP requests location information from an ALI system.

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Bearer Channel

A channel capable of transmitting all the information required for communication, such as user data, synchronizing sequences, and control signals.

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Exigent Circumstances

When a PSAP requests subscriber information from a carrier.

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Cell Site/Sector Information

Cell sector location information for wireless E9‐1‐1 calls is identification information for the cell sector from which awireless 9‐1‐1 call has been...

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