Cisco® Unified Communications is a comprehensive IP communications system of voice, video, data, and mobility products and applications. It enables more effective, more secure, more personal communications that directly affect both sales and profitability. It brings people together by enabling a new way of communicating - where your business moves with you, security is everywhere, and information is always available...whenever and wherever it is needed. Cisco Unified Communications is part of an integrated solution that includes network infrastructure, security, mobility, network-management products, lifecycle services, flexible deployment and outsourced management options, end-user and partner financing packages, and third-party communications applications.The power of the Cisco Unified Communications family of products extends throughout the enterprise by delivering powerful, converged voice solutions with the new Cisco Unified IP Phone Expansion Module 7915 extending capabilities to wideband audio phones .Product OverviewCall coverage is a critical capability for administrative assistants and others who must monitor, manage, and cover the status of calls. This capability requires the ability to instantly determine the status of numerous lines beyond the six-line capability of the Cisco Unified IP Phone 7962G and 7965G models and eight-line capability of the Cisco Unified IP Phone 7975G.The Cisco Unified IP Phone Expansion Module 7915 extends the capabilities of the Cisco Unified IP Phone 7962G, 7965G, and 7975G models with additional buttons and an LCD display. With this expansion module, you add 12 physical keys with access to 12 additional keys through the page keys for a total of 24 buttons to the existing six buttons of the Cisco Unified IP Phone 7962G and 7965G models and the existing 8 buttons of the Cisco Unified IP Phone 7975G. You can use up to two Cisco Unified IP Phone Expansion Module 7915 modules with the Cisco Unified IP Phone 7962G, 7965G, and 7975G models.Features and BenefitsThe large LCD display of the Cisco Unified IP Phone Expansion Module 7915 allows for quick and easy identification of associated buttons. Using the Settings menu of the Cisco Unified IP Phone 7962G, 7965G, and 7975G models, you can adjust the contrast of the individual LCDs for these phones and the Cisco Unified IP Phone Expansion Module 7915 according to your preference. You can program the buttons on each Cisco Unified IP Phone Expansion Module 7915 as a directory number, line key, or speed-dial key, much like on the Cisco Unified IP Phone 7962G, 7965G, and 7975G models. Buttons used as a directory-number (DN) or shared line keys are illuminated, allowing easy identification of call state.