Glossary of Terms

Understand basic Public Safety definitions and terms.

LoST

Definition:

Location‐to‐Service Translation Protocol. A protocol that takes location information and a Service URN and returns a
URI. Used generally for location based call routing. In NG9‐1‐1 it is used as the protocol for ECRF and Location Validation
Function (LVF).

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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ANSIRULE TABLE

For CDMA or TDMA calls, this table on the FMCC defines the parameter that will trigger the FMCC to behave in a test scenario rather than how it would...

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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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Manual Transfer

A feature that enables the PSAP attendant to transfer incoming 9‐1‐1 calls by manually obtaining dial tone through use of the telephone switch or...

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