Emergency Services configuration Page 233 of 258
a.Configure the branch office zone’s ESA dialing information in LD 117.
LD 117 – Configure branch office zone ESA route.
Command
Description
CHG ZESA <Zone><ESA Route #><AC><ESA Prefix><ESA Locator>
Defines the ESA parameters for the branch office zone, where:
•Zone = Zone number for the branch office.
•ESA Route # = Virtual Trunk route to SRG.
•AC = Access Code to add to dialed digits. If no AC is required, enter AC0 in place of AC1 or AC2.
•ESA Prefix = Digit string added to start of ESDN. This is a unique prefix in the NRS. Nortel recommends that users use “0” + ESN location code of the branch office node. An example for location code 725 would be: 0725.
•ESA Locator = Direct Inward Dial telephone number sent as part of ANI for use by the PSAP to locate the source of the call.
b.Enable the branch office zone ESA in LD 117. ENL ZBR <Zone> ESA
7Configure the ESA Special Number at the main office.
a.Configure the ESA Special Number in the NRS. Using NRS, configure the ESA Special Number defined for the branch office zone. Refer to IP Peer Networking: Installation and Configuration
Nortel recommends that customers use “0” + the ESN Location code + ESDN. An example for location code 725 would be 0725911. The zero is recommended to prevent a collision in the ESN data with the HLOC entry.
Main Office Configuration for Survivable Remote Gateway 50 Configuration Guide
