Cisco DP-9871 - Telephone - Conference Call Capability - LCD Display - Carbon Black - Gigabit Ethernet, Bluetooth, Wi-Fi - 1-year replacement warranty. Cisco is bringing a new standard to desk phones with a portfolio built for working in modern office environments. The Desk Phone 9800 Series was designed with IT and facilities in mind to deliver 4 new phone models. Included on each phone is the newly released PhoneOS software that simplifies the user experience and compliments our video portfolios RoomOS devices to give a seamless experience from desk spaces to meeting rooms. With expanded functionality the 9800 Series combines secure enterprise calling, meetings, desk reservations, sustainability, and emergency notifications all in one device. You dont need to buy a dedicated device for each feature all the features are built into each phone.