Your Phone• The Cisco IP Phone 8800 Series, on page 1• New and Changed Features, on page 2• Phone Setup, on page 6• Sign into Your Extension from Another Phone (Extension Mobility), on page 9• Sign in to a Phone as a Guest, on page 9• Coworker Line Status, on page 10• Phone Web Page, on page 14• Buttons and Hardware, on page 15• Energy Savings, on page 21• Additional Help and Information, on page 21The Cisco IP Phone 8800 SeriesThe Cisco IP Phones 8811, 8841, 8845, 8851, 8861, and 8865 deliver easy-to-use, highly-secure voicecommunications.Table 1: Cisco IP Phone 8800 Series Major Features886588618851884588418811FeaturesColorColorColorColorColorGrayscaleScreen221000USB PortsYour Phone1