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.
3Configure ESN.
ESA uses a route number rather than ESN route list index. However,
ESN is required at the branch office.
4Configure Emergency Services Access (ESA) in LD 24.
LD 24 Configure Emergency Services Access
Prompt Response Description
REQ: NEW CHG Addnew 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 xxDirecting Digits (for CAMA Trunks)(for example, 1, 11, or 911).
Up to four digits are accepted.
DFCL xxDefault 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 firstdigit 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 xxOn-Site Notification station DN. The input must be a valid single
appearance internal DN.
Youconfigure OSDN to alert the localsecur ity 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).
5TestESDN using a main office telephone to confir m that main office
calls exit the main office trunks. The ESA Configuration Audit feature
Nortel Communication Server 1000
Main Office Configuration Guide forSRG 50
NN43001-307 02.02 Standard
Release 5.0 3 December 2007
Copyright© 2005-2007, Nor tel Networks
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