Cisco
Cisco 8831 Unified IP Conference Phone CP-8831-K9 HD Audio 360° Coverage
PO and Net 30 available for schools, government, hospitals, and law firms.
Description
Description
Cisco 8831 IP Conference Phone (CP-8831-K9) — Enterprise-Grade HD Audio for Any Conference Room
Upgrade your meeting spaces with the Cisco Unified IP Conference Phone 8831. Featuring superior HD wideband audio with a dual-element speaker and 360-degree room coverage, the CP-8831-K9 delivers crystal-clear, full-duplex conferencing for small huddle rooms to large boardrooms. Every refurbished unit is professionally tested and backed by Reef Telecom's industry-leading 10-year warranty.
Key Features & Specifications
- Superior wideband acoustics with dual-element full-duplex speaker (G.722 codec)
- 360-degree HD audio coverage for medium to large conference rooms
- 3.5-inch backlit graphical display (396 x 162 pixels) with detached control panel
- Supports wired and DECT wireless extension microphones
- Daisy-chain two units for expanded room coverage
- Four built-in microphones with easy-view mute status from all sides
- SIP protocol support — compatible with Cisco Unified Communications Manager & Business Edition
- Enterprise-grade security: TLS with AES-128 encryption & SRTP media encryption
- Power over Ethernet (PoE) support
What's Included
- Cisco 8831 Conference Phone Speaker Base Unit
- Detached Display Control Unit (DCU) with Keypad
- Ethernet cable
Why Buy from Reef Telecom?
- 10-Year Warranty on all refurbished equipment
- Free Shipping on orders over $300
- Professionally inspected, tested, and restored to full functionality
- Trusted source for enterprise networking and telecom equipment
The Cisco 8831 is the ideal VoIP conference phone for organizations upgrading from the Cisco 7937G or deploying scalable conferencing across multiple rooms. Compatible with Cisco UCM, Business Edition 6000, and CME platforms.
Specs & Details
Specs & Details
Shipping & Warranty
Shipping & Warranty
Free ground shipping on orders over $300. Same-day shipping on orders placed before 4PM EST.
All products include our industry-leading 10 Year Warranty backed by Reef Telecom.

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Our goal is providing the highest quality refurbished equipment to promote environmentally-conscious equipment usage through it's lifecycle.