Call 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 capability of Cisco Unified IP Phone select models.The Cisco Unified IP Phone Expansion Module 7915 extends the capabilities 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 buttons. You can use up to two Cisco Unified IP Phone Expansion Module 7915 modules with the Cisco Unified IP Phone select models.

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