9IntroductionThis document is a global document. Contact your system supplier or yourNortel representative to verify that the hardware and software describedare supported in your area.SubjectWARNINGBefore a Large System can be installed, a network assessmentmust be performed and the network must be VoIP-ready.If the minimum VoIP network requirements are not met, the systemwill not operate properly.For information on the minimum VoIP network requirements andconverging a data network with VoIP, refer to Converging the DataNetwork with VoIP (NN43001-260).This document provides an overview of the general design and features ofCS 1000M and Meridian 1 Large Systems.Note on legacy products and releasesThis NTP contains information about systems, components, and featuresthat are compatible with Nortel Communication Server 1000 Release 5.0software. For more information on legacy products and releases, click theTechnical Documentation link under Support & Training on the Nortelhome page:www.nortel.comApplicable systemsThis document applies to the following systems:• Communication Server 1000E (CS 1000E) CP PII, CP PIV, and CP PM.• Communication Server 1000M Single Group (CS 1000M SG) CP PII,CP PIVNortel Communication Server 1000Communication Server 1000M and Meridian 1 Large System OverviewNN43021-110 01.03 StandardRelease 5.0 18 February 2008Copyright © 2003-2008, Nortel Networks.