Cisco
Cisco IP Phone 8811 5-Line Gigabit VoIP Phone CP-8811-K9
PO and Net 30 accepted for schools, government and healthcare.
Description
Description
Cisco IP Phone 8811 (CP-8811-K9) β Enterprise VoIP at a Fraction of the Cost
Save up to 70% over new with this professionally refurbished Cisco 8811 IP Phone. Delivering secure, high-fidelity wideband audio and reliable unified communications, the CP-8811-K9 is ideal for knowledge workers, remote employees, and managers in businesses of all sizes. Every unit is rigorously tested and backed by Reef Telecom's industry-leading 10-year warranty.
Key Specifications
- Display: 5-inch widescreen backlit grayscale (800 x 480 pixels)
- Lines: 5 programmable line/feature keys (DN or speed dial)
- Ethernet: 2-port Gigabit Ethernet switch (10/100/1000) with PoE (802.3af Class 2)
- Audio: Wideband codec support, full-duplex speakerphone, headset port (RJ-9)
- Navigation: 5-way navigation cluster, 4 context-sensitive soft keys
- Protocol: SIP
- Security: TLS, SRTP, 802.1x, secure boot, encrypted voice
- Power: PoE or optional Cisco Power Cube 4 (PWR-CUBE-4, sold separately)
- Mounting: Dual-position foot stand, wall-mountable (kit sold separately)
Platform Compatibility
- Cisco Unified Communications Manager (CUCM) 8.6.2, 9.x, 10.x, 11.0+
- Cisco Unified CM Express (CME) 10.0+
- Cisco Business Edition 6000
- Cisco Hosted Collaboration Solution (HCS)
- Third-party SIP platforms
What's Included
- Cisco 8811 IP Phone (Charcoal)
- Standard handset with cord
- Ethernet cable
- Dual-position foot stand
Upgrade your enterprise communications affordably. All refurbished phones from Reef Telecom ship with a 10-year warranty and are tested to meet or exceed OEM specifications.
Specs & Details
Specs & Details
- Condition
- Certified Refurbished
- Warranty
- 10-Year Reef Telecom Warranty
- Manufacturer Part Number
- CP-8811-K9
- Reef SKU
- CP-8811-K9-R
- UPC
- 882658743016
- 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.

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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 86 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.
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We provide the highest quality refurbished equipment β extending hardware lifecycles and keeping e-waste out of the ocean.