Getting StartedNortel Mobile Communication Client 3100 for Windows Mobile User Guide 13Getting StartedThis section contains the following topics:• “Before you begin” on page 13• “Enterprise requirements” on page 13• “Supported network connections and devices” on page 14• “Network specifications” on page 15• “Cellular data plan use of MCC 3100 for Windows Mobile” onpage 16• “Subscriber Identity Module (SIM) card” on page 17• “Battery life” on page 17Before you beginBefore you install MCC 3100 for Windows Mobile, familiarize yourself withthe navigation and data entry methods for your mobile device.Enterprise requirementsThe MCC 3100 requires the following applications at the enterprise site:• Mobile Communications Gateway 3100 (MCG 3100),• Supported Enterprise Communication Server (ECS) programmedwith an account for each user.