5ContentsNew in this release 7Features 7Nortel Mobile Communication Client 3100 7Nortel Mobile Communication Gateway 3100 8How to get help 9Finding the latest updates on the Nortel Web site 9Getting help from the Nortel Web site 9Getting help over the telephone from a Nortel Solutions Center 10Getting help from a specialist by using an Express Routing Code 10Getting help through a Nortel distributor or reseller 10Introduction 11Subject 11Intended audience 11Applicable systems 12Conventions 12Text conventions 12Related information 13Overview 15Nortel Mobile Communications 3100 Series Portfolio 17Mobile Communication Client 3100 17MCC 3100 for Windows Mobile and MCC 3100 for Windows Mobile with VPN 17MCC 3100 for BlackBerry and MCC 3100 for Nokia 21Mobile Communication Gateway 3100 23Hardware requirements 24Licensing requirements 24Network deployment 25MCC 3100 for Windows Mobile and MCC 3100 for Windows Mobile with VPNnetwork deployment 25Data network requirements 26Security requirements 26High availability 30MCC 3100 for Windows Mobile - Administration tool 32Nortel Mobile Communication 3100 Series PortfolioNortel Mobile Communication 3100 — Planning and EngineeringNN42030-200 01.09 StandardRelease 2.0 1 November 2007Copyright © 2007, Nortel Networks.