Introduction14trackball does not work. In these models, when a Choice Group ishighlighted, the trackball is used to change the selection; the menubutton causes the display of the menu. When a Choice Group is nothighlighted, the trackball causes the display of the menu. Thisdocument covers the user interface of the rest of the BlackBerrydevices, where the trackball causes the menu to display.Network specificationsYou must meet the following network specifications:• Cellular network subscription• Cellular Internet access (for example, GPRS, EDGE, CDMA 1xRTT,or EVDO)Server specificationThe corporate network requires a minimum of one Communication Serverto support MCC 3100.The corporate network must have an MCG 3100 to deploy MCC 3100 forBlackBerry. Dedicated commercial off the shelf (COTS) server platformssupport the MCG 3100 software.For MCG 3100 installation information, see Nortel Mobile CommunicationGateway 3100 Installation Guide (NN42030-300).InstallationFor installation information, see “Software installation” on page 17.About this guideThis guide is for users of the MCC 3100 for BlackBerry.