Glossary of Terms

Understand basic Public Safety definitions and terms.

Traceroute

Definition:

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, reporting the IP addresses of all the routers it pinged in between. Traceroute also records the
time taken for each hop the packet makes during its route to the destination.

Back-Haul

A communications path that takes traffic farther than the ultimate destination and then routes it back. The cost of transmission to the more remote...

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Busy Tone

The sound provided to a caller to indicate the desired destination is unavailable. (60 IPM (interruptions per minute).)

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DPC

Destination Point Code. Part of the label in a signaling message that uniquely identifies, in a signaling network, the signaling destination point...

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Route List

An ordered set of instructions for finding a destination. Route lists exist for each ESSID/ESN combination.

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