Cisco 9951

Updated October 6, 2026

Overview

Product sourcing insights & recommendations

28 来源

The Cisco Unified IP Phone 9951 is an executive-level media endpoint that has transitioned from a flagship collaboration tool to a legacy product primarily found in the secondary and refurbishment markets Metrolinedirect Secureitstore.

Product Insights & Specifications

The 9951 is recognized for its high-end industrial design and multimedia capabilities, featuring a 5-inch backlit VGA color display (640 x 480 pixels) and support for high-definition (HD) wideband audio Metrolinedirect Atlasphones.

* Connectivity: Dual-port Gigabit Ethernet switch, Bluetooth 2.0 support for headsets, and two USB ports for peripheral devices Fedtechmagazine Shi.

* Multimedia: Supports H.264 video communication when equipped with the optional Cisco Unified Video Camera Secureitstore.

* Expansion: Designed for heavy users, it supports up to two Color Key Expansion Modules for additional line keys Metrolinedirect.

Market Trends & Lifecycle Status

* End-of-Life (EOL): The Cisco 9951 officially reached its End-of-Sale milestone in March 2015, and all official support from Cisco ended on July 31, 2021 Cisco Cisco Cisco.

* Migration Path: Cisco formally recommends migrating to the 8800 Series (specifically the Cisco 8845 or 8865 for video), which offers enhanced security, Wi-Fi support, and better integration with modern UCaaS platforms Cisco.

* Resale Market: Despite its EOL status, a stable secondary market exists with pricing typically ranging from $90 to $150 per unit for "New in Box" or certified refurbished stock Alibaba Alibaba.

* Broader Industry Trends: The global IP desk phone market is projected to reach $10.9 Billion by 2034, driven by a shift toward cloud-based communications and hybrid work requirements Consegicbusinessintelligence Linkedin.

Sourcing Recommendations

While new stock is limited due to retirement, several verified suppliers continue to offer high-quality inventory and OEM parts for enterprise maintenance.

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Sources & References

28 sources cited · Verified industry data & reports

Cisco Unified IP Phone 8961, 9951, and 9971

Cisco Systems

The Cisco Unified 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 ...

Cisco Unified IP Phone 9951 Standard

SHI

Product Specs ; Main Features, Integrated Ethernet switch ; Network Ports Qty, 2 x Ethernet 10Base-T/100Base-TX/1000Base-T ; Network Protocols, TFTP, Cisco ...

Cisco 9951 IP Phone (CP-9951-C-K9=)

MetrolineDirect

Large backlit, high-resolution 640 x 480 pixel, adjustable color display 5 tri-color illuminated LED line/feature keys 4 programmable soft-label

Review: Cisco's Unified IP Phone 9951 Brings Video and ...

FedTech Magazine

The phone features two RJ-45 Ethernet ports with 10/100/1000 megabit per second capability for throughput to the desktop, with IEEE Power over ...

Cisco 9951 Unified IP Phone (CP-9951-C-K9=)

Atlas Phones

The Cisco 9951 Unified IP Phone (CP-9951-C-K9=) features a large display, BT connectivity, navigational keys, and 4 programmable soft label keys.

Cisco Unified IP Phone Installation