Chapter 3 CS 1000 considerations 43Survivable Remote Gateway 50 Configuration Guide7 In the Destination Codes table, click the Normal Route field of the ESA SPN destinationcode. Enter a public route to the PSTN trunks.8 Navigate to the Dialing Plan - Public Network panel (Configuration > Dialing Plan > PublicNetwork).9 In the Public Network DN Lengths subpanel, verify that there is a DN Prefix of 911 with aDN Length of 3.If not, add the 911 DN Prefix. If required, double click the DN Length field to change it to 3.CS 1000 information for the SRG50In order to redirect IP telephones and forward calls to the main office (Call Forward All Callsfeature), the SRG50 requires information about the main office network environment. Thisinformation is recorded through the SRG50 Element Manager on the S1000 Main Office Settingspanel.S1000 Main Office Settings panelThe following table lists and describes each field of the S1000 Main Office Settings panel.Record the actual value in the Values column to facilitate configuration and provide a record ofthe datafill.InNote: The Normal Route field defaults to 000. Route 000 (click theRoutes tab) is preconfigured to Use Pool A and cannot be changed. PoolA is preconfigured for PSTN trunks in the default state. Hence, if thedefault state of Pool A has not been changed, leave the Normal Routefield as 000.To check the state of Pool A, navigate to Configuration > Lines >Active Physical Lines. Pool A must be assigned to at least one TrunkType that provides access to the PSTN.Do not configure Alternate Routes.Table 3 CS 1000 settings (Sheet 1 of 3)Field Values DescriptionPrimary NetworkConnect Server Address IP address of the primary NCS.Alternate NetworkConnector ServerAddress IP address of the alternate NCS, if deployed. If not,enter the same address as for Primary NetworkConnect Server Address.
