CP-8851NR-K9 – VoIP phone

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CP-8851NR-K9

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List Price: $2827 $238.39
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CP-8851NR-K9 Description

The Cisco IP Phone 8851NR (CP-8851NR-K9) is a professional-grade VoIP endpoint designed for organizations that require secure, reliable, and scalable communications without integrated Bluetooth. As part of the Cisco 8800 Series, the 8851NR offers high-definition wideband audio, a vibrant 5-inch color display, and support for up to two Key Expansion Modules, making it an ideal solution for executives, managers, and knowledge workers who need multiple line appearances and enhanced telephony features.Unlike the standard 8851, the 8851NR (“Non-Radio”) version excludes Bluetooth, making it suitable for organizations with strict compliance or security requirements. With Gigabit Ethernet passthrough, USB charging support, and compatibility with Cisco Unified Communications Manager, Hosted Collaboration Solutions, and Business Edition platforms, the 8851NR combines cost efficiency with enterprise-class performance.

Quick Specs

Parameter

Specification

Display

5-inch widescreen WVGA color (800 × 480)

Programmable Line Keys

5 (expandable with up to 2 Key Expansion Modules)

Ethernet Ports

2× 10/100/1000BASE-T (PC + Phone)

USB Port

1× USB 2.0 (500 mA, 5V, 2.5W, smartphone charging supported)

Bluetooth

Not supported (Non-Radio version)

Expansion Module

Up to 2 × 8800 KEM (up to 56 additional keys)

Audio

Wideband audio, full-duplex speakerphone, RJ-9 headset, AUX port EHS

PoE Class

IEEE 802.3af/at (Class 3 or Class 4 depending on HW version)

Power Adapter (Optional)

Cisco Power Cube 4 (48V DC, 0.917A)

Call Control Support

Cisco UCM 12.5+, CME 10.0+, BE6000, HCS

Product Front

CP-8800-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

Product Comparison

Feature / Model

CP-8851NR-K9

CP-8851-K9

CP-8865-K9

CP-8875-K9

Display

5″ 800×480 color

5″ 800×480 color

5″ 800×480 color + HD video

7″ 1024×600 touch

Bluetooth

No

Yes (v3.0)

Yes (v4.1)

Yes (v4.2)

USB Ports

1× USB 2.0

1× USB 2.0

2× USB (side + back)

USB-A + USB-C

Ethernet

2× Gigabit

2× Gigabit

2× Gigabit + Wi-Fi

2× Gigabit + Wi-Fi

Expansion Modules

Up to 2 KEM

Up to 2 KEM

Up to 3 KEM

Virtual (touch UI)

Video Support

No

No

720p HD

1080p HD camera

PoE Class

3 or 4

3 or 4

4

4

Key Lines

5 (up to 61 with KEM)

5 (up to 61 with KEM)

5 (up to 113 with KEM)

16–108 (platform dependent)

Best Use Case

Secure offices without Bluetooth

General enterprise

Execs needing video + mobility

Hybrid work with Webex

Target Users

Compliance-focused orgs

Standard business users

Managers & execs

Hybrid workers

Model Selection Guide – Cisco CP-8851NR-K9

  • Security & Compliance-Focused Organizations
    The CP-8851NR-K9 is the “Non-Radio” version of the Cisco 8851. It is designed for businesses and institutions that require strict IT security compliance and must avoid wireless technologies such as Bluetooth. This makes it particularly suitable for government agencies, military networks, financial institutions, and healthcare providers that operate under regulations like HIPAA, PCI-DSS, or FIPS.
  • Executives and Managers Handling Multiple Calls
    With 5 programmable line keys and the option to add up to two Key Expansion Modules (KEMs) for 56 additional speed dials or line appearances, the 8851NR is a perfect fit for managers and team leaders who handle high call volumes. It allows fast switching between direct lines, departmental numbers, and personal extensions without overwhelming the user interface.
  • Enterprise Desktops Standardizing on Cisco UC
    Large organizations standardizing on Cisco Unified Communications Manager or Hosted Collaboration Solution (HCS) will benefit from the CP-8851NR’s consistent user experience, Gigabit Ethernet passthrough, and USB connectivity. IT teams gain simplified deployment with PoE, and employees enjoy the ergonomic design, high-resolution display, and wideband audio quality.
  • Call Centers with Expansion Needs
    For front-desk operators or call center supervisors who need to monitor multiple lines simultaneously, the CP-8851NR with dual KEM modules offers an efficient solution. It provides visual line status with tri-color LEDs, ensuring quick call routing and reduced wait times for customers.
  • Future-Proof Without Overpaying
    Organizations that do not need video calling or Bluetooth integration can save costs by choosing the 8851NR over the standard 8851 or 8865. It delivers the same 5-inch color display, Gigabit connectivity, and USB support, while eliminating features that may be restricted or unused in certain environments.

Specifications

Parameter Specification
Display 5-inch widescreen VGA, 800 × 480 pixels, 24-bit color
Programmable Keys 5 line keys; supports multi-call per line
Expansion Module Up to 2 × Cisco IP Phone 8800 KEM (up to 56 extra keys)
USB Port 1 × USB 2.0 Type A, 500mA @ 5V, supports headsets & smartphone charging
Ethernet 2 × 10/100/1000BASE-T (LAN + PC), VLAN support, Cisco Discovery Protocol, LLDP
Bluetooth Not supported (Non-Radio)
Headset Support RJ-9, AUX (EHS), USB headsets supported
Speakerphone Full-duplex, wideband audio, DTMF masking
Audio Codecs G.711, G.722, G.722.2, G.729ab, iLBC, iSAC, Opus
PoE IEEE 802.3af/at, Class 3 (pre-V08 HW), Class 4 (V08+ HW)
Optional Power Cisco Power Cube 4, 48V DC, 0.917A
Call Control CUCM 12.5+, CME 10.0+, BE6000, HCS
Security Encrypted voice, Kensington lock slot
Dimensions Weight: ~2.6 lb (1.18 kg), adjustable stand 35° & 50°

Get More Information

Discover unbeatable prices and fast shipping for the CP-8851NR-K9 Access the detailed CP-8851NR-K9 datasheet and ensure you’re getting the best deal with our reliable delivery service. Need assistance? Our free live chat support is here to help. For more information about the product and pricing, contact us via Live chat or email us at [email protected]

Quality Certifications

Customer Reviews

Write A Review
5.0
(3 reviews)
5 Stars
3
4 Stars
0
3 Stars
0
2 Stars
0
1 Stars
0
    Eugene Porter
    Posted on 12/07/2024
    Verified Buyer
    5.0

    Technically speaking, the lack of Bluetooth/Wi-Fi is a feature here. Authentication verified.

    Security Officer
    Posted on 22/03/2024
    Verified Buyer
    5.0

    NR (No Radio) model is required for our SCIF. Glad you stock these specific SKUs.

    Purchasing
    Posted on 05/11/2023
    Verified Buyer
    5.0

    Compliance paperwork was perfect. Hardware is new.

Questions & Answers

  • What does the “NR” in Cisco CP-8851NR-K9 mean, and when is it preferred over CP-8851-K9?

    “NR” indicates non-radio: Bluetooth and Wi-Fi are disabled. Choose CP-8851NR for secure, wired-only offices or facilities with strict RF restrictions where radios must be removed.

  • Does CP-8851NR-K9 still support USB headsets and wideband audio?

    Yes. It preserves HD audio, USB headset support, and full-duplex speakerphone. Only wireless conveniences like Bluetooth are omitted for policy reasons.

  • Can CP-8851NR-K9 register to Webex Calling and on-prem CUCM?

    Yes. It supports both, enabling gradual migration or hybrid setups. Directory, voicemail, and line features remain consistent across platforms.

  • How do I power CP-8851NR-K9 reliably?

    Use PoE (Class 2–3) for stable power. If multiple expansion modules are attached, verify PoE budget and LLDP-MED negotiation on the switch.

  • Is CP-8851NR-K9 appropriate for shared desks?

    Yes. Extension Mobility and directory-based sign-in let different users load personalized settings while keeping a locked baseline configuration.

  • What security features protect CP-8851NR-K9 endpoints?

    TLS/SRTP encryption, 802.1X port security, and signed firmware images. Admins can lock local menus and use voice VLAN segmentation.

  • Does CP-8851NR-K9 support busy lamp fields or sidecars?

    Yes, with compatible key expansion modules. This is ideal for assistants monitoring multiple lines without radios present.

  • How does CP-8851NR-K9 compare in cost to CP-8861?

    It’s generally more budget-friendly and suited to standard users. CP-8861 adds more keys and flexibility for heavier call handling.

  • Can I wall-mount CP-8851NR-K9?

    Yes, using an optional bracket. Check cable routing and ensure the handset remains accessible.

  • What training tips reduce helpdesk calls after deployment?

    Provide a one-page guide for voicemail, transferring, conference, and directory search. Emphasize the lack of Bluetooth so users plan headsets accordingly.

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