CP-8861-K9 – 5-Line IP Phone – Wi-Fi and Bluetooth – Enhanced UCL

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CP-8861-K9 Description

The CP-8861-K9 is a Cisco IP Phone 8861 desk phone in the 8800 Series for enterprise desks that need Wi-Fi and Bluetooth alongside wired Ethernet. The phone has five programmable line and feature keys, a 5 in. 800 x 480 color display, 802.11a/b/g/n/ac Wi-Fi and Bluetooth 3.0 EDR Class 1 headset support up to 66 ft (20 m). It takes up to three key expansion modules, and any module needs 802.3at PoE or a CP-PWR-CUBE-4 power cube because 802.3af cannot power it.

Quick Specs

Parameter

Specification

Product ID

CP-8861-K9

Product type

Cisco IP Phone 8861 desk phone

Color path

Charcoal

Programmable line and feature keys

5

Display

5 in. 800 x 480 24-bit color WVGA display

Wireless LAN

IEEE 802.11a/b/g/n/ac

Bluetooth

Bluetooth 3.0 EDR Class 1 up to 66 ft (20 m)

Integrated switch

Internal 2-port 10/100/1000BASE-T Cisco Ethernet switch

Key expansion module support

Up to three Cisco IP Phone 8800 Key Expansion Modules

PoE class

IEEE Power over Ethernet Class 4

CUCM license

Enhanced User Connect License

Application Scenarios

Front Desk With Expansion Modules

At a reception or attendant desk, the phone adds up to three key expansion modules to grow from 5 to 113 line buttons for call coverage across many extensions.

Desk Shared With A PC

Where one access-switch drop must serve both the phone and a co-located PC, the internal 2-port Gigabit Ethernet switch passes the PC through the phone.

Wi-Fi And Bluetooth Headset Desk

For staff who move between wired and wireless placements, the 802.11ac radio joins the phone to the WLAN and Bluetooth 3.0 EDR pairs a headset within 66 ft (20 m).

Product Comparison

Parameter

CP-8861-K9

CP-8861-W-K9

CP-8851-K9

Color

Charcoal

White

Charcoal

Programmable line and feature keys

5

5

5

Display

5 in. 800 x 480 24-bit color WVGA

5 in. 800 x 480 24-bit color WVGA

5 in. 800 x 480 24-bit color WVGA

Wireless LAN

IEEE 802.11a/b/g/n/ac

IEEE 802.11a/b/g/n/ac

IEEE 802.11a/b/g/n/ac

Bluetooth

Bluetooth 3.0 EDR Class 1 up to 66 ft (20 m)

Bluetooth 3.0 EDR Class 1 up to 66 ft (20 m)

Bluetooth 3.0 EDR Class 1 up to 66 ft (20 m)

Key expansion module support

Up to three Cisco IP Phone 8800 Key Expansion Modules

Up to three Cisco IP Phone 8800 Key Expansion Modules

Up to two Cisco IP Phone 8800 Key Expansion Modules

PoE class

IEEE PoE Class 4

IEEE PoE Class 4

IEEE PoE Class 3 before hardware V08, Class 4 for V08 and above

CP-8861-K9 and CP-8861-W-K9 are the same Cisco IP Phone 8861 hardware, differing only in charcoal versus white finish, so the choice between them is cosmetic. CP-8851-K9 has the same 5-inch display, Wi-Fi and Bluetooth, but it accepts up to two key expansion modules against three on CP-8861-K9 and CP-8861-W-K9, and its PoE draw is Class 3 before hardware V08. Desks that need three expansion modules, or Class 4 power on every hardware revision, stay on an 8861 model. On either 8861, a second or third module needs 802.3at PoE or a CP-PWR-CUBE-4= power cube.

Ordering Checklist

  • Power source: Use IEEE 802.3at Class 4 PoE, or CP-PWR-CUBE-4= or CP-PWR-CUBE-4-S= with a CP-PWR-CORD-{AP,AR,AU,BZ,CE,CN,JP,NA,SW,UK}= country cord. A power cube is ordered with a separate country cord, and a desk without PoE has no power without it.
  • Key expansion module: Order CP-8800-A-KEM= (Charcoal) for each module, up to three per phone. With 802.3af PoE, one module is not supported; use 802.3at or a power cube.
  • Wall mount: Order CP-8800-WMK=, or CP-8800-A-KEM-WMK= when a module is mounted with the phone. The mount is its own PID, so a wall desk needs the line on the order.
  • Voice license: Add an Enhanced User Connect License for Cisco Unified Communications Manager. The phone requires this license to run under Cisco Unified Communications Manager.

Product Front

The following table describes the Cisco IP Phone 8800 Series Buttons.

The Cisco IP Phone 8800 Series has two distinct hardware types:

  • Cisco IP Phones 8811, 8841, 8851, 8851NR, and 8861—do not have a camera.
  • Cisco IP Phones 8845, 8865, and 8865NR—have a built-in camera.

1

Incoming call or voicemail indicator

2

Camera (Cisco IP Phone 8845 and 8865)

3

Feature and session buttons

4

Softkeys

5

Back, Navigation cluster, and Release

6

Hold, Transfer, and Conference

7

Headset, Speakerphone, and Mute

8

Voicemail, Applications, and Directory

9

Volume

Specifications

Parameter Specification Parameter Specification
Product ID CP-8861-K9 Cisco ordering ID CP-8861-K9=
Product type Cisco IP Phone 8861 desk phone Color path Charcoal
Same-model color SKU CP-8861-W-K9= is Cisco IP Phone 8861, White Programmable keys 5
Display 5 in. 800 x 480 24-bit color WVGA display USB port Two USB ports
Wireless LAN IEEE 802.11a, 802.11b, 802.11g, 802.11n, and 802.11ac Bluetooth Bluetooth 3.0 EDR Class 1 up to 66 ft (20 m)
Bluetooth profiles Hands-Free Profile and Phone Book Access Profile Mobile integration Cisco Intelligent Proximity audio path, call history, and contact synchronization
Ethernet switch Internal 2-port 10/100/1000BASE-T Cisco Ethernet switch PC connectivity Single LAN connection for phone and co-located PC
Key expansion module support Up to three Cisco IP Phone 8800 KEMs Expansion button range From 5 to 113 line buttons with KEMs
PoE class IEEE Power over Ethernet Class 4 PoE standards Compatible with IEEE 802.3af and IEEE 802.3at switch blades
Power input rating 0.917A, 48V DC Local power option Cisco IP Phone Power Cube 4 with corresponding AC country cord
CUCM support Cisco Unified Communications Manager 12.5 and later Unified CME support 10.0 and later through fast track
BE 6000 support 8.6.2, 9.1.2, 10.5.2, 11.0 and later HCS support 8.6.2 and later using supported UCM versions
CUCM license Enhanced User Connect License Signaling protocol Session Initiation Protocol
Codec support G.711, G.722, G.722.2, G.729ab, iLBC, iSAC, OPUS QoS 802.1Q/p
Discovery protocols Cisco Discovery Protocol, LLDP-MED Switch speed Auto-negotiation
Headset control Electronic hookswitch through USB, auxiliary port, or Bluetooth pairing Security slot Kensington Security Slot compatible
Foot-stand positions 35 degrees and 50 degrees Wall mounting Optional wall-mount kit available separately
Dimensions 9.02 x 10.13 x 1.57 in. excluding foot stand Weight 1.19 kg (2.62 lb)
Operating temperature 0°C to 40°C (32°F to 104°F) Operating humidity 10% to 90%, noncondensing
Phone casing composition Polycarbonate ABS textured plastic Bezel Black bezel included, optional silver bezel orderable separately

Quality Certifications

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    Chen Taylor
    Posted on 30/03/2026
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    Loyalty earned through consistent execution. Layer23 has ours.

    Amber Li
    Posted on 21/03/2026
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    5.0

    Our annual vendor review consistently rates Layer23 among the best.

    Marilyn Perez
    Posted on 30/01/2026
    Verified Buyer
    4.0

    Every piece of hardware we buy goes through an authenticity check. This one was spotless.

    Jesus
    Posted on 08/09/2024
    Verified Buyer
    5.0

    Agile and versatile. Just what we needed. Delivery was swift.

    CTO
    Posted on 10/05/2024
    Verified Buyer
    5.0

    Wi-Fi support on these meant we didn’t have to run extra cables. Works perfectly.

Questions & Answers

  • Which call platforms does CP-8861-K9 register to?

    CP-8861-K9 registers to Cisco Unified Communications Manager 12.5 and later with an Enhanced User Connect License. Signaling uses Session Initiation Protocol, and Cisco Hosted Collaboration Solution 8.6.2 and later is also listed.
  • What PoE class does CP-8861-K9 need, and what powers its Key Expansion Modules?

    CP-8861-K9 uses IEEE Power over Ethernet Class 4 and is compatible with IEEE 802.3af and 802.3at switch blades. Any Key Expansion Module needs 802.3at PoE or a CP-PWR-CUBE-4= power cube, because 802.3af cannot power it, and the cube takes a separate country power cord.
  • Which spare parts can I order for CP-8861-K9?

    The 8861 ordering table lists CP-DX-HS= and CP-DX-W-HS= handsets, CP-DX handset cords, the CP-8800-FS= foot stand and black or silver bezels CP-8800-B-BEZEL= and CP-8800-S-BEZEL=. Power Cube 4 (CP-PWR-CUBE-4= or CP-PWR-CUBE-4-S=) and its country cord are ordered separately. Cisco does not list the box contents in the datasheet.
  • How much current do the two USB ports on CP-8861-K9 supply?

    The side USB port supplies 500 mA. The yellow rear USB port supplies 500 mA by default and can be raised to 2.1A at 5V, per the Cisco IP Phone 8861 datasheet. Use the rear port for a device that needs faster charging.
  • Which physical connectors does CP-8861-K9 have for network, PC, speaker and power?

    CP-8861-K9 has one RJ-45 10/100/1000BaseT network port and a second RJ-45 10/100/1000 port for a PC. It also has a 3.5 mm speaker jack and a 48 V power connector, per the 8800 MPP technical details.
  • Which Cisco Unified CME release supports CP-8861-K9?

    Cisco Unified CME 10.0 with IOS load 15.3(3)M, per the IP Phone 8800 release notes. CP-8861-K9 can register to CME, while the 8845 and 8865 models cannot. Firmware 14.4(1)SR1 covers CP-8861-K9 for the same deployments.

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DataSheet Downloads

  • CP-8861-K9 Datasheet