Glossary of Terms

Understand basic Public Safety definitions and terms.

Roaming

Definition:

The ability to use a cellular phone to make and receive calls in places outside your home calling area.

Abandoned Call

An Abandoned Call is an emergency Call in which the caller disconnects before the Call can be answered by the PSAP (Public Safety Answering Point).

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Selective Routing

The capability to route a call to the particular PSAP based on the geographical location from which the call originated. Selective routing is...

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Wireless Phase I & II

Phase I: Required by FCC Report and Order 96‐264 pursuant to Notice of Proposed Rulemaking (NPRN) 94‐102. The delivery of a wireless 9‐1‐1 call...

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Alternate PSAP

An Alternate PSAP is designated to receive 9‐1‐1 calls if the call cannot be delivered to the primary PSAP.

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