Glossary of Terms

Understand basic Public Safety definitions and terms.

Rate Center

Definition:

The geographic area used by a local exchange carrier to set rate boundaries for billing and issuing phone numbers.

Steering

The process of routing an ALI bid to an alternative database when an ALI bid is made using a specific NXX or an NRF is returned by the database...

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ALI Steering

When the ALI provider receives a bid from a PSAP that has been configured to retrieve from an alternate ALI, the ALI provider steers that bid to the...

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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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PVC

Private Virtual Circuit. A connection that is permanently established between two or more nodes in the frame relay and asynchronous transfer mode...

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