CP-8811-K9 Overview
The Cisco CP‑8811‑K9 is a business-class VoIP phone designed for professionals and knowledge workers. Combining a sleek ergonomic design with enterprise-grade features, it delivers crystal-clear, wideband audio and reliable “always-on” performance. Ideal for small to large organizations, the 8811 enhances productivity with up to five programmable lines, a user-friendly interface, and compatibility across Cisco Unified Communications platforms.
📋 Specifications
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Model: Cisco CP‑8811‑K9
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Display: 5-inch widescreen backlit grayscale LCD with 800 × 480 resolution
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Audio: High-fidelity wideband audio; full-duplex speakerphone with echo cancellation
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Lines & Keys: Supports up to 5 directory-number (DN) lines, with 5 programmable line keys and 4 soft keys
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Feature Keys: Includes dedicated keys for hold/resume, transfer, conference, directories, voice messaging, and apps
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Ethernet: Dual Gigabit Ethernet ports—one for the phone and one for a co-located PC—for integrated connectivity
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Headset & Mobility: Integrated headset port; PoE-powered with optional Cisco Power Cube; supports wall or desktop mounting
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Security: Encrypts voice calls; supports secure boot, signaling, media encryption, and SSL-based VPN
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Power: IEEE 802.3af PoE or optional external power cube
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Compatibility: Certified for Cisco Unified Communications Manager, Business Edition, Webex Calling, and select third-party systems
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Energy Efficiency: Energy Star–compliant with Cisco EnergyWise for optimized power use

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