Glossary Of Terms - BellSouth E911 Owner's Manual

CG-EWCG-001
Issue 3, January 6, 2004
1.7

Glossary of Terms

Term
ACAC
Address Verification
Request (AVR)
ALEC
Alternate Routing
Automatic Location
Identification (ALI)
Automatic Number
Identification (ANI)
BST
Call Back Number
Call Through Testing
CMRS
CSU
DSU
E2 Interface
E911 Customer
Table B Glossary of Terms
Access Carrier Advocacy Center
A form issued by each telco to refer and resolve address
discrepancies with the E911 Customer.
Alternative Local Exchange Carrier
A standard feature provided to allow E911 calls to be routed to a
designated alternate location if :
1. all E911 trunks to the primary PSAP are busy OR
2. the primary PSAP closes down for a period. (i.e. night service)
A feature by which the address associated with the telephone
number (ANI or pANI) is forwarded to the PSAP for display.
The telephone number assigned by the wireless carrier to the cell
face or PSAP. Also known as Pseudo-ANI and Emergency Service
Routing Digits (ESRD).
Note: The pseudo-ANI number MUST be assigned from the
wireless carrier number pool and be geographically correct for the
serving area.
BellSouth Telecommunications, Inc.
Telephone number PSAP will use to dial the 911 caller in the event
the call is disconnected. Also known as wireless Mobile Directory
Number (MDN), Wireless Subscriber ANI (WS-ANI) and Calling
Party Number (CPN).
The process of testing the network, equipment and database
associated with an E911 system prior to the final cutover.
Commercial Mobile Radio Service
Channel Service Unit
Data Service Unit
The TIA / EIA / J-STD-036 E2 interface utilized to provide phase
2 location information to the ALI database from the MPC. Refer
to BellSouth TR73610, Issue 2.
A governmental agency responsible for providing public safety and
purchasing 911 service.
- continued -
Definition
Wireless E911 Guide
Overview of E911
Page 5