Chapter 4 CS 1000 considerations 43SRG50 Configuration GuideTo configure Emergency Services Access1 Verify that a remote access package has been assigned to the VoIP trunks (see Remote AccessPackage for VoIP trunks on page 76).2 Obtain the ESA Special Number (SPN).3 In Element Manager, access the Dialing Plan - Routing panel (Configuration > Telephony >Dialing Plan > Routing) and click the Destination Codes tab.4 Add a destination code corresponding to the ESA SPN for the SRG branch office.5 In the Destination Codes table, click the Absorbed Length field of the ESA SPN destinationcode. The numbers indicate the number of digits the SRG absorbs, from left to right.6 Select the number of digits to absorb so that just the Emergency Services DN (ESDN)remains.7 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 and then changethe value to 3.To configure on-site notificationTo use the on-site notification for Emergency Services, you need to include a LAN CTE portin your keycode.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.
