Cisco
Cisco 8851 IP Phone 5-Line Multiplatform SIP CP-8851-3PCC-K9
PO and Net 30 accepted for schools, government and healthcare.
Description
Description
Cisco 8851 Multiplatform IP Phone (CP-8851-3PCC-K9) β Enterprise-Grade SIP Communication
Save big on the Cisco IP Phone 8851 with multiplatform (MPP) firmware, designed for third-party call control platforms including Broadsoft, Asterisk, and hosted UCaaS solutions. This refurbished 5-line Gigabit VoIP phone delivers wideband audio clarity, Bluetooth connectivity, and a vibrant color display β all backed by Reef Telecom's industry-leading 10-year warranty.
Key Features
- 5 programmable line keys with LED status indicators and Busy Lamp Field (BLF)
- 5-inch widescreen VGA backlit color display (800 x 480 pixels, 24-bit color)
- Dual Gigabit Ethernet ports (10/100/1000 Mbps) with PoE support (Class 3)
- Bluetooth 3.0 EDR Class 1 β supports wireless headsets up to 66 ft
- Wideband audio with full-duplex speakerphone and echo cancellation
- USB port for wired/wireless headsets and smartphone charging (5V/500mA)
- Open SIP protocol β works with 3rd-party platforms (not Cisco Call Manager)
- 4 soft keys, five-way navigation cluster, and fixed-function keys
- Wall-mountable with dual-position foot stand included
- Supports up to two Cisco 8800 Key Expansion Modules
What's Included
- Cisco 8851-3PCC IP Phone base unit
- Handset with cord
- Dual-position foot stand
- Ethernet cable
Why Buy from Reef Telecom?
Every refurbished Cisco phone is thoroughly tested and inspected. Enjoy our 10-year warranty and free shipping on orders over $300. Ideal for businesses deploying open SIP telephony across offices, call centers, and remote workstations.
Specs & Details
Specs & Details
- Condition
- Certified Refurbished
- Warranty
- 10-Year Reef Telecom Warranty
- Manufacturer Part Number
- CP-8851-3PCC-K9
- Reef SKU
- CP-8851-3PCC-K9-R
- UPC
- 882658829857
- Brand
- Cisco
Shipping & Warranty
Shipping & Warranty
Free ground shipping on orders over $300 (contiguous US). Same-day dispatch on orders placed before 4 PM EST.
All products include our industry-leading 10 Year Warranty backed by Reef Telecom.

We clean up after ourselves.
Ecommerce deliveries have a carbon footprint. That's why we support verified projects that remove carbon from the air.
Every deliveryβs carbon footprint is calculated based on weight, shipping method, and distance traveled. We neutralize these emissions by purchasing verified carbon removal credits from groundbreaking projects.
With your purchase, youβll join a community of proactive merchants and customers dedicated to a sustainable future. Together, we've removed emissions for over 85 million deliveries and removed over 59 thousand tonnes of carbon.
We work with a network of pioneering carbon removal companies that have been vetted by the commerce platform Shopify.
Reef Telecom Proudly Supports
-
Ocearch
2026 Monthly Shark Hero -
Coral Restoration Foundation
2025 Staghorn Donor -
Ocean Conservancy
2025 Donor
Smart IT. Clean Oceans. Boundless Possibilities.
We provide the highest quality refurbished equipment β extending hardware lifecycles and keeping e-waste out of the ocean.