Cisco CP-8861-K9 IP Phone 8861 5-Inch Color Display Gigabit Ethernet Wi-Fi
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Key Features Of The CP-8861-K9
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5-inch 800 × 480 WVGA backlit color display
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24-bit color depth
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5 programmable line/feature keys
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10/100/1000 Gigabit Ethernet integrated switch
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Dual-band IEEE 802.11a/b/g/n/ac Wi-Fi
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Bluetooth and Cisco Intelligent Proximity
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2 × USB ports
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Wideband HD audio
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IEEE 802.3af/802.3at PoE Class 4
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Supports up to 3 Cisco 8800 Key Expansion Modules
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Up to 113 line/feature buttons with KEM expansion
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RJ-9 handset/headset connectivity
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Cisco Unified Communications Manager support
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Advanced security including TLS, SRTP, 802.1X and secure boot
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EnergyWise and Energy Star qualified
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Optional wall-mount kit
Cisco CP-8861-K9 IP Phone 8861
Professional enterprise IP phone featuring a 5-inch WVGA color display, five programmable line keys, Gigabit Ethernet, dual-band Wi-Fi, Bluetooth, USB connectivity, wideband audio and Power over Ethernet.

Enterprise IP Phone for Modern Business Communication
The Cisco CP-8861-K9 is a business-class IP phone designed for enterprise voice communication and unified collaboration environments. It combines a 5-inch WVGA backlit color display, five programmable line and feature keys, wideband audio, Gigabit Ethernet, integrated dual-band Wi-Fi, Bluetooth and USB connectivity in a professional desktop form factor.
The phone provides a comprehensive collection of enterprise calling, networking, mobility and security features, making it suitable for corporate offices, reception areas, call centers, government organizations, education, healthcare and other professional environments.
5-Inch WVGA Color Display

The Cisco IP Phone 8861 features a 5-inch, 800 × 480 WVGA widescreen backlit color display with 24-bit color depth. The display provides clear access to caller information, directories, applications, call controls and supported XML applications.
5-inch widescreen color display
800 × 480 WVGA resolution
24-bit color depth
Backlit display
Localized language support
Text-based XML application support
Five Programmable Line and Feature Keys
The CP-8861-K9 provides five programmable line and feature keys for convenient access to directory numbers, speed dialing and supported enterprise calling functions. Dedicated fixed-function controls provide direct access to frequently used communication features.
Programmable Keys
Five line or feature keys can be configured according to supported enterprise calling requirements.
Call Controls
Dedicated controls provide convenient access to hold, transfer, conference, messaging and directory functions.
Navigation Controls
Four-way navigation and select controls provide convenient access to phone menus and applications.
Key Expansion
The phone supports up to three Cisco 8800 Key Expansion Modules for additional programmable line and feature buttons.
Wideband Enterprise Audio
The Cisco 8861 is designed for clear business voice communication with wideband audio and a full-duplex speakerphone. Advanced audio processing technologies help maintain clear and consistent voice quality during enterprise conversations.
Wideband handset audio
Full-duplex speakerphone
Automatic Gain Control
Acoustic Echo Cancellation
Comfort Noise Generation
Voice Activity Detection
Dynamic Noise Reduction
Multiple enterprise voice codecs
Multiple Audio Codec Support
The CP-8861-K9 supports multiple voice codecs to provide compatibility with supported enterprise IP telephony and collaboration environments.
- G.711 A-law and u-law
- G.722
- G.722.2
- G.729ab
- iLBC
- iSAC
- OPUS
Gigabit Ethernet Connectivity

The CP-8861-K9 includes an integrated 10/100/1000BASE-T Gigabit Ethernet switch. This enables the phone to connect to the enterprise LAN while providing network connectivity for a co-located computer through the integrated Ethernet switch.
10/100/1000BASE-T Gigabit Ethernet
Integrated two-port Ethernet switch
IEEE 802.1Q VLAN support
Quality of Service support
Automatic speed negotiation
Enterprise IP networking
Dual-Band Wi-Fi Connectivity
A key feature of the Cisco CP-8861-K9 is integrated dual-band Wi-Fi. The phone supports IEEE 802.11a/b/g/n/ac wireless networking across the 2.4 GHz and 5 GHz bands, providing additional deployment flexibility where wireless voice connectivity is required.
2.4 GHz Wi-Fi
Supports compatible 2.4 GHz wireless networking for supported enterprise deployments.
5 GHz Wi-Fi
Provides access to compatible 5 GHz wireless networks for supported enterprise voice deployments.
Bluetooth and USB Connectivity
The CP-8861-K9 provides integrated Bluetooth connectivity and two USB ports for supported accessories and mobile device functions. Bluetooth enables supported wireless device integration, while USB connectivity adds flexibility for compatible Cisco accessories and smartphone charging.
Bluetooth wireless connectivity
Bluetooth 3.0 EDR
2 × USB ports
Smartphone charging support
Cisco Intelligent Proximity
Compatible wireless accessories
Power over Ethernet
The Cisco IP Phone 8861 supports Power over Ethernet (PoE), allowing power and network connectivity to be delivered through Ethernet cabling. The phone supports IEEE 802.3af and IEEE 802.3at PoE configurations.
Deployment Note: Select a compatible PoE network switch or Cisco power accessory based on the installation requirements and local power configuration.
Cisco Intelligent Proximity
Cisco Intelligent Proximity provides supported mobile-device integration features, allowing compatible mobile devices to interact with the Cisco IP Phone environment. This helps users combine desktop voice communication with supported mobile workflows.
Enterprise Calling Features
The CP-8861-K9 supports a broad range of enterprise telephony functions designed for everyday business communication.
Caller ID
Call forwarding
Call waiting
Call history
Call park and pickup
Busy Lamp Field
Speed dialing
Corporate directory
Conference calling
Extension mobility
Music on Hold
Visual voicemail
Intercom
Privacy features
Redial and predial
URI dialing
Network and Security
The CP-8861-K9 supports enterprise networking protocols and security mechanisms required for controlled IP voice deployments. Supported capabilities include SIP signaling, IPv4, IPv6, RTP, RTCP, DHCP, DNS, VLAN, Cisco Discovery Protocol and LLDP-MED.
Security capabilities include secure boot, secure credential storage, device authentication, configuration and image authentication, certificate support, 802.1X capabilities, TLS signaling encryption, SRTP media encryption and HTTPS.
Cisco Unified Communications Compatibility
The Cisco IP Phone 8861 is designed for Cisco collaboration environments and supported enterprise call-control platforms. It can be deployed with Cisco Unified Communications Manager and supported hosted collaboration solutions according to Cisco compatibility requirements.
Cisco Unified Communications Manager
Suitable for enterprise IP telephony environments managed through Cisco Unified Communications Manager.
Wireless Enterprise Deployment
Integrated Wi-Fi provides additional deployment flexibility for supported wireless voice environments.
XML Applications
Provides access to supported text-based XML applications through the phone display.
Enterprise Collaboration
Designed for business users requiring voice, mobility and collaboration functionality.
Key Expansion Module Support
The CP-8861-K9 supports up to three Cisco 8800 Key Expansion Modules. These optional accessories provide additional programmable buttons for users who require access to multiple lines, speed dials, busy-lamp-field functions and other supported features.
Ergonomic Desktop Design
The Cisco 8861 is designed for comfortable daily desktop operation. Its adjustable foot stand provides multiple viewing positions, while the stand can be removed when using an optional Cisco wall-mount kit.
Energy Efficiency
The Cisco IP Phone 8861 supports Cisco EnergyWise capabilities and is Energy Star qualified. These features support energy-management requirements in suitable enterprise deployments.
Ideal Applications
Corporate Offices
Enterprise Workstations
Reception Desks
Call Centers
Government Offices
Educational Institutions
Healthcare Organizations
Hospitality and Commercial Environments
Why Choose Cisco CP-8861-K9?
The Cisco CP-8861-K9 combines enterprise IP voice functionality with a 5-inch color display, five programmable line keys, wideband audio, Gigabit Ethernet, dual-band Wi-Fi, Bluetooth, USB and PoE support. Its combination of wired and wireless network connectivity makes it suitable for organizations deploying Cisco unified communications and enterprise telephony solutions.
Ordering Information: Cisco identifies CP-8861-K9= as the Cisco IP Phone 8861 in Charcoal. Optional accessories include Cisco 8800 Key Expansion Modules, wall-mount kits, power cubes and regional power cords.
| Product Name | Cisco CP-8861-K9 IP Phone 8861 5-Inch Color Display Gigabit Ethernet Wi-Fi |
|---|---|
| Weight | 1.170000 |
| Interface | Gigabit Ethernet |
| Ethernet | 10/100/1000 Gigabit Ethernet |
| I/O Port | Gigabit Ethernet + RJ-9 + 2 × USB |
| Operating System | Cisco IP Phone Firmware |
| Network/Network Standard | IEEE 802.3 |
| Dimensions | 22.91 × 25.73 × 4.00 cm |
| Power Supply (PoE) | Yes |
| Manufacturer | Cisco |
| Color | Black |
| Country of Origin | United States |
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