Glossary of Terms

Understand basic Public Safety definitions and terms.

IntraLATA

Definition:

A term used to describe services, revenues, functions, and so on that relate to telecommunications originating and
terminating within a single LATA.

InterLATA

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

Read More

CTRPT

Call Termination Report. Indication message when the PSAP terminates the 9‐1‐1 call. This message allows the call resources and the ESRK to be...

Read More

Tandem

A term used interchangeably with “switch” and “router” to refer to the office that serves as the hub for 9‐1‐1 calls.

Read More

End User

The 9‐1‐1 caller. Customers who use (rather than provide) telecommunications services; those who either originate or terminate telecommunications.

Read More