Glossary of Terms

Understand basic Public Safety definitions and terms.

SRR

Definition:

Selective Router Replacement. A key component of the ECC responsible for replacing the task performed by a physical
selective router in a PSTN network.

Base Station

The central radio transmitter/receiver that maintains communications with mobile radio phone sets within a given range (typically a cell site).

Read More

PSAP, Secondary

The Secondary PSAP receives emergency calls from the 9‐1‐1 network only as a result of a transfer. The Secondary PSAP never receives first routed...

Read More

Omni Directional Antenna

An antenna that radiates and/or receives radio signals in all directions.

Read More

Real-Time

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...

Read More