176 Alternative Call Routing for Network Bandwidth ManagementNetwork Routing Service (NRS)Both the main office and branch office must be registered on the Nortel NRSfor tandem routing to work for main office to branch office tandeming.Trunk Route Optimization (TRO)Disable Trunk Route Optimization between the branch office (or SRG) andthe main office in order to allow the tandeming required for the feature towork.Virtual OfficeIt is not possible to determine the real Bandwidth Zone of a telephonelogged in as a Virtual Office telephone.Feature packagingThe Alternative Call Routing for NBWM feature requires the followingsoftware package:• Coordinated Dialing Plan (CDP) package 59The following software package is optional:• Flexible Numbering Plan (FNP) package 160Feature implementation using Command Line InterfaceTask summary listThe following is a summary of the tasks in this section:1. "LD 117 " (page 176)Enable Alternative Call Routing for NBWM for a particular zone2. "LD 117" (page 177)Configure Alternate Prefix number for a particular zone and the All Callsoption, if desired.3. "LD 117 " (page 177)Print Alternate Prefix number for a particular zone.LD 117Command DescriptionENL ZALT Enable Alternative Call Routing for NBWM, where: Input zone number (0-255).Configure the branch office zone using LD 117 at the mainoffice.Nortel Communication Server 1000Main Office Configuration Guide for SRG 50NN43001-307 02.02 StandardRelease 5.0 3 December 2007Copyright © 2005-2007, Nortel Networks.
