Glossary
This glossary lists terms and acronyms that are applicable to this book. You can find additional information at
NUMBERS AND SYMBOLS
- 24/7.
A time frame referring to 24 hours a day, 7 days a week.
- 9-1-1.
A service in North America in which phone users can dial the digits 911 and reach an emergency operator who can dispatch police, fire, or medical assistance as appropriate. This service is sometimes called basic 9-1-1 because the emergency operator might not have access to the callback phone number or the caller's location. Indeed, the call might not even reach the appropriate emergency call center based on the caller's location.
- E9-1-1 (Enhanced 9-1-1).
An emergency communications ...
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