Glossary of Terms

Understand basic Public Safety definitions and terms.

RTT

Definition:

Real Time Text. Sends text messages immediately as typed, with no need to click "Send." Serves the same function as
TTY devices that help people who are deaf, speech‐impaired, or hard‐of‐hearing to use a phone to communicate.

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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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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End User

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

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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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