Nortel Networks SRG 50 NN43001-307 - Manual (Page 196)

196 Emergency Services configuration
The Virtual Trunk must be configured to enable emergency calls
originating from SRG IP Phones registered at the main office to
reach the branch office.
3 Configure ESN.
ESA uses a route number rather than ESN route list index. However,
ESN is required at the branch office.
4 Configure Emergency Services Access (ESA) in LD 24.
LD 24 Configure Emergency Services Access
Prompt Response Description
REQ: NEW CHG Add new data, or change existing data.
TYPE: ESA Emergency Services Access data block
CUST xx Customer number as defined in LD 15
ESDN xxxx Emergency Services DN (for example, 911). Up to four digits
are accepted.
ESRT ESA route number
0-511
0-127
Range for Large Systems
Range for MG 1000B
DDGT x
…x
Directing Digits (for CAMA Trunks)(for example, 1, 11, or 911).
Up to four digits are accepted.
DFCL x
…x
Default ESA Calling Number. The input must be the following
lengths:
• On a system that is not FNP equipped, 8 or 11 digits are
accepted if the first digit of the input is ’1’; otherwise the input
must be 7 or 10 digits.
• On a system that is FNP equipped, up to 16 digits are
allowed.
OSDN x
…x
On-Site Notification station DN. The input must be a valid single
appearance internal DN.
You configure OSDN to alert the local security personnel about an
emergency call in progress. Leave the ESA route number blank
to make test calls without using any trunk resources. If the route
number has been configured, remove it by entering “x” at the prompt.
Nortel recommends that the system administrator arrange a test call
with the Public Services Access Point (PSAP).
5 Test ESDN using a main office telephone to confirm that main office
calls exit the main office trunks. The ESA Configuration Audit feature
Nortel Communication Server 1000
Main Office Configuration Guide for SRG 50
NN43001-307 02.02 Standard
Release 5.0 3 December 2007
Copyright © 2005-2007, Nortel Networks
.