Cisco 7800 Series Manual

Also see for 7821: Firmware migration master guide Installation guide Reconfiguration Guide Quick installation & user manual Quick installation guide

Your Phone• The Cisco IP Phone 7800 Series, on page 1• Phone Setup, on page 5• Activate and Sign In to Your Phone, on page 8• Self Care Portal, on page 9• Buttons and Hardware, on page 11• Power Requirements, on page 16• Phone Firmware and Upgrades, on page 17• Energy Savings, on page 17• Additional Help and Information , on page 18The Cisco IP Phone 7800 SeriesThe Cisco IP Phones 7811, 7821, 7841, and 7861 deliver easy-to-use, highly-secure voice communications.Figure 1: The Cisco IP Phone 7800 SeriesThe following table shows the major features for the Cisco IP Phone 7800 Series.Table 1: Cisco IP Phone 7800 Series Major Features7861784178217811FeaturesGreyscale, withbacklightGreyscale, withbacklightGreyscale, withbacklightGreyscale, nobacklightScreen16421Lines9998Fixed feature keysYour Phone1