Glossary of Terms

Understand basic Public Safety definitions and terms.

User Plane

Definition:

System architecture using TCP/IP as a transport layer for IS‐801 messages. Supports location requests to the PDE over a
TCP/IP network. These requests can be initiated on the handset via trusted applications or by internet applications.

Traceroute

Traceroute is a network diagnostic tool used to track the pathway taken by a packet on an IP network from source to destination in real time,...

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Frame Relay Circuit

A frame relay circuit is a telecommunications link through which data is transmitted in frames or individual packets of information.

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Loopback

A type of diagnostic test in which a transmitted signal is returned to the transmitting device and then compared to the original signal.

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Pilot #

Pilot number usually refers to a trunk group implementation. A trunk group is a set of individual circuits or trunks. Each trunk can be individually...

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