CHAPTER 3
Cisco IP Phone Hardware
• Phone Overview, on page 25
• Cisco IP Phone 8811, on page 26
• Cisco IP Phones 8841 and 8845, on page 27
• Cisco IP Phone 8851, on page 29
• Cisco IP Phones 8861 and 8865, on page 30
• Buttons and Hardware, on page 31
• Terminology Differences, on page 33
Phone Overview
The Cisco IP Phones 8811, 8841, 8845, 8851, 8861, and 8865 provide voice communication over an Internet
Protocol (IP) network. The Cisco IP Phone functions much like a digital business phone, allowing you to
place and receive phone calls and to access features such as mute, hold, transfer, speed dial, call forward, and
more. In addition, because the phone connects to your data network, it offers enhanced IP telephony features,
including access to network information and services, and customizable features and services.
The Cisco IP Phone 8811 has a grayscale LCD screen.
The Cisco IP Phones 8841, 8845, 8851, 8861, and 8865 has a 24-bit color LCD screen.
The Cisco IP Phones have the following features:
• Programmable feature buttons that support up to 10 lines or that can be programmed for other features
• Gigabit ethernet connectivity
• Bluetooth support for wireless headsets (Cisco IP Phone 8845, 8851, 8861 and 8865)
• Support for an external microphone and speakers (Cisco IP Phone 8861 only)
• Network connectivity by Wi-Fi (Cisco IP Phone 8861 and 8865)
• USB ports:
• one USB port for Cisco IP Phone 8851
• two USB ports for Cisco IP Phone 8861 and 8865
• Support for up to 3 key expansion modules:
• Cisco IP Phone 8851 supports 2 key expansion modules
Cisco IP Phone 8800 Series Multiplatform Phones Administration Guide
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