The Cisco 8851 IP Phone CP-8851-K9 is a professional business IP telephone designed for organizations that need advanced voice communications, Gigabit Ethernet connectivity, Bluetooth support, and expansion capabilities. Its 5-inch high-resolution color display, programmable line keys, wideband audio, and full-duplex speakerphone provide an efficient desktop communications experience for compatible Cisco Unified Communications environments.
Cisco 8851 IP Phone CP-8851-K9 Features
The Cisco 8851 combines advanced call-handling capabilities with an easy-to-read widescreen display and dedicated feature controls. Five programmable line keys support up to five directory number (DN) lines, while four context-sensitive soft keys provide convenient access to commonly used telephone functions. Dedicated controls are provided for conference, transfer, hold, applications, directories, voice messaging, and additional calling features.
- 5-inch widescreen, backlit, 24-bit color display
- 800 x 480-pixel display resolution
- Supports up to 5 DN lines
- 5 programmable line keys
- 4 soft keys
- Dedicated conference, transfer, hold, applications, directories, and voice messaging controls
- Supports XML applications
- SSL-based VPN client support
- Wideband audio support
- Built-in full-duplex speakerphone
- 2-port Gigabit Ethernet switch for network and collocated PC connectivity
- Integrated headset jack
- Single USB port for compatible wired or wireless headsets and mobile-device charging
- Bluetooth 3.0 Enhanced Data Rate (EDR) Class 1 support
- Bluetooth range up to 66 feet (20 meters)
- Dual-position footstand
- Wall-mountable design
Key Expansion Module Support
The Cisco 8851 IP Phone CP-8851-K9 supports up to two compatible Cisco key expansion modules, making it suitable for users who need additional programmable keys for line appearances, speed dialing, or other supported functions.
- Supports up to two Cisco IP Phone 8800 Key Expansion Modules (CP-BEKEM=)
- Supports up to two Cisco 8851/8861 Key Expansion Modules (CP-8800-A-KEM=)
Power Requirements
The Cisco 8851 supports multiple power options for different network environments.
- 802.3af Power over Ethernet (PoE)
- Optional PoE injector
- Optional Cisco Power Cube 4
- Power accessories sold separately
Compatibility
The Cisco 8851 is designed for supported Cisco Unified Communications environments. Verify your system software version and licensing requirements before ordering.
- Cisco Unified Communications Manager 8.5.1, 8.6.2, 9.1.2, 10.0 and later
- Requires an Enhanced User Connect License (UCL) for connection to Cisco Unified Communications Manager
- Cisco Unified Communications Manager Express (Unified CME) 10.0 and later through fast track
- Cisco Business Edition 6000 (BE6000) 8.6.2, 9.1.2, 10.0 and later
- Cisco Hosted Collaboration Solution (HCS) 8.6.2 and later using supported UCM versions
Cisco 8851 Business IP Telephone
The Cisco 8851 IP Phone CP-8851-K9 is well suited for professional environments requiring dependable IP communications and flexible connectivity. Integrated Gigabit Ethernet allows the phone and a collocated computer to share network connectivity in supported configurations, while Bluetooth, USB, and headset support provide additional options for users who rely on hands-free communications.
Expansion-module support also makes the Cisco 8851 useful for reception areas, administrative personnel, managers, and other users who require access to additional programmable keys. Its combination of color display, wideband audio, full-duplex speakerphone, programmable controls, and Cisco communications platform support makes it a versatile replacement or additional telephone for compatible installations.
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