Glossary of Terms

Understand basic Public Safety definitions and terms.

Wireless Phase 0

Definition:

0 Required by FCC. The delivery of a wireless 9‐1‐1 call (where 9‐1‐1 are dialed digits) to a PSAP.

CELL_ESRD

A 10‐digit number used to support routing of wireless 9‐1‐1 calls through the 9‐1‐1 network. The CELL_ESRD is utilized atthe PSAP for static ALI...

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Inter-Tandem Transfer

The capability of transferring a call over the 9‐1‐1 network from a PSAP served by one 9‐1‐1 tandem to a PSAP served by a different 9‐1‐1 tandem.

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BST Quick Service

BellSouth service which provides the ability for disconnected TNs to dial 9‐1‐1 or the AT&T‐SE Business office. These TNs cannot dial out for any...

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NRF

No Record Found. When a PSAP receives an E9‐1‐1 call for which no data is displayed.

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