Page 38 of 254 Setting up the main officeNN43001-308 Standard 01.02 May 2007For more information on main office configuration, see IP Peer NetworkingInstallation and Commissioning (NN43001-313).SRG information required by the main officeThe main office administrator must gather information about the SRGsystem. The following information is required:• an inventory of IP Phones that will be installed on the SRG so theadministrator knows what type of telephone to assign to each main officeterminal record• information which allows the administrator to create an NRS(H.323 Gatekeeper) entry for the SRG• if using advanced routing, such as tandem dialing between systems, localPSTN number for the SRG and the internal SRG routing codes that willallow the main office to connect to the SRG and to tandem over the SRGPSTN lines, is requiredUse Table 3 to record the information before setting up the SRG on the mainoffice server.Table 3:SRG information required for the main office configuration (Part 1 of 2)SRG parametersSRG public IP addressH.323 ID (gatekeeper identification of the SRG)List of types and number of IP PhonesTelephone types are hard-coded to the TerminalNumbers (TNs) and the main office. Therefore, installthe same type of IP Phones to the coordinating recordon the SRG.PSTN number to dial into the SRG (in local mode)