Chapter 3 Task summary 31SRG50 Configuration GuideCall routing configuration1 Decide on the fallback scheme.Internal Reference: Fallback configuration on page 722 Configure the outgoing routes (VoIP and PSTN fallback).Configuration > Telephony > Dialing Plan > RoutingInternal Reference: Outgoing calls configuration on page 74External Reference: Networking Configuration Guide (NN40020-603)3 Configure access to the SRG PSTN (for both local and tandem calls).Configuration > Telephony > Dialing Plan > RoutingInternal Reference: SRG PSTN access on page 76External Reference: Networking Configuration Guide (NN40020-603)4 Configure for Network Bandwidth Management and Advanced Network BandwidthManagement.Internal Reference: Bandwidth management configuration: NBWM, ADBWM, and ACR onpage 40External Reference: Branch Office: Installation and Configuration (553-3001-214) and DataNetworking for Voice over IP (553-3001-160)5 Configure for Alternative Call Routing.Internal Reference: Bandwidth management configuration: NBWM, ADBWM, and ACR onpage 40External Reference: What’s New for Communication Server 1000 Release 4.5 (553-3001-015)Redirection and call forward configuration1 Configure the main office settings.Configuration > Resources > Survivable Remote Gateway > S1000 Main Office SettingstabInternal Reference: CS 1000 information for the SRG on page 442 Configure the IP terminal settings.Configuration > Resources > Survivable Remote Gateway > S1000 IP Terminal DetailstabInternal Reference: IP telephones redirection on page 47