The ZIP 45G incorporates a 3.7” backlit graphical display and dual Gigabit Ethernet ports in a feature-rich IP phone suitable for the most demanding of users. Functions and contacts may be accessed quickly via 21 programmable soft keys. A dedicated headset port and Electronic Hook Switch support offer enhanced usability for wired and wireless headset users. The optional ZIP 450M Expansion Module supports additional programmable keys. The ZIP 45G is fully compatible with Zultys’ ZAC Unified Communications application, allowing users to manage calls and messages directly from their computer. Like all Zultys phones, the ZIP 45G utilizes the Session Initiation Protocol (SIP) open standard and is managed from the Zultys MX Administrator application for rapid deployment and dramatically lowered total cost of ownership.