Call coverage is a critical capability for administrative assistants and others who must monitor, manage, and cover the various status of calls. This requires the ability to instantly determine the status of a number of lines beyond the six-line capability of the Cisco IP Phone 7960.The Cisco IP Phone Expansion Module 7914 extends the capabilities of the Cisco IP Phone 7960 with additional buttons and an LCD display. With this expansion module, you add 14 buttons to the existing six buttons of the Cisco IP Phone 7960, increasing the total number of buttons to 20 with one module or 34 when you add two Cisco 7914 Expansion Modules. You can use up to two Cisco 7914 Expansion Modules with a Cisco IP Phone 7960 .The large LCD display of the Cisco IP Phone Expansion Module allows for quick and easy identification of associated buttons. Using the Settings menu of the Cisco IP Phone 7960, you can adjust the contrast of the individual LCDs for the Cisco 7960 phone and Cisco 7914 Expansion Module according to your pref