BellSouth E911 User Manual

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Wireless E911 Guide

Issue 3, January 6, 2004

Overview of E911

Table B

Glossary of Terms (continued)

Term

Definition

Pseudo-ANI (pANI)

The telephone number assigned by the wireless carrier to designate
a specific cell antenna face or PSAP. Also see Automatic Number
Identification (ANI).

Public Safety
Answering Point
(PSAP)

The answering location for 911 calls.

RCF

Remote Call Forwarding

SALI

Stand Alone Automatic Location Identification

SCC Communications

A vendor designated by BST to handle E911 data maintenance
(now Intrado)

Selective Routing (SR) A standard feature that routes an E911call from the E911 tandem to

the designated PSAP based upon the address and assigned ESNof
the pseudo-ANI telephone number record.

Service Order Interface
Record (SOIR)

A formatted data record sent to the E911 host computer system by
the wireless carrier. (see TSS)

Signaling System
7 (SS7)/Common
Channel Signaling 7
(CCS7)

An out-of-band signaling system used to provide basic routing
information, call set up and other call termination functions.
Signaling is removed from the voice channel and put on a separate
data network.

Subscriber

Person or end user making a 911 call.

System ID

A two(2) character code used to identify a tandem. (Assigned by
BST)

Tandem Routing

An arrangement for connecting E911calls to the correct PSAP
based on the ESN associated to the pseudo-ANI telephone number
service address. (see Selective Routing)

Telco (Telephone
Company)

A term used interchangeable throughout this document to depict a
Bell Operating Co., an Independent Company, an Alternative Local
Exchange Carrier (ALEC) or a Wireless service provider.

TN

Telephone Number

Transaction Servicing
System (TSS)

The BellSouth E911vendor’s computer system that performs
database processing.

WSANI

Wireless Subscribers ANI (see ANI or pANI)

Note:

Additional wireless and technical information may be found on the NENA web site at
http://nena9-1-1.org:Click here to access website.

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