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 four new phone models and one key expansion module kem . 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 don’t need to buy a dedicated device for each feature all the features are built into each phone. Design product type ip phone handset type wired handset product colour black case material abs mounting desk phone features lines quantity 4 lines call waiting yes caller id yes management features volume control buttons number of programmable keys 4 meeting features calendar, one-click join display display lcd display diagonal 8.89 Cm 3.5 Display resolution 384 x 160 pixels touchscreen no backlight display yes audio speakerphone yes noise reduction yes voice codecs g.711Alaw, g.711Ulaw, g.722, G.722.2, G.729A, g.729B, opus, ilbc network ethernet lan yes ethernet lan data rates 10,100,1000 mbit s ethernet lan interface type gigabit ethernet wi-fi no bluetooth no ports & interfaces usb 2.0 Ports quantity 1 ethernet lan rj-45 ports 1 power power ...