Nortel 1000S Overview

Also see for 1000 Con?guration guide: Brochure Reference User manual User guide User guide

System architecture Page 31 of 44Communication Server 1000S OverviewSoftware architectureCentralized Automatic Software UpgradeCentralized Automatic Software Upgrade allows a new version of software tobe automatically loaded on the MG 1000S after the Call Server software isupgraded. To reduce service impact, a sequential upgrade mode upgradesonly one MG 1000S at a time.Centralized upgradeCentralized upgrade enables the IP telephony components (Voice GatewayMedia Cards) to be upgraded from the Element Manager interface. TheElement Manager host, the Signaling Server, is a file server for softwareupgrade files for the Voice Gateway Media Cards. IP Phones alsoautomatically upgrade from a centralized file location (their TPS).Centralized patchingCentralized patching enables IP telephony components, the Call Server, andMG 1000S systems, to be patched from a central location through ElementManager.File uploadingFile uploading enables software upgrade files and patches to be uploaded tothe Element Manager host, the Signaling Server, for centralized upgrading orcentralized patching. The file is uploaded from the management PC (webbrowser) to the Element Manager host (web server).Patching implementationThe Call Server, MG 1000S, Signaling Server, and the Voice Gateway MediaCards are patchable. Installing a patch enables a fix to be delivered, withoutrequiring a new version of software.