CP-8841-K9 Cisco CP-8841-K9 VoIP Phone

Cisco CP-8841-K9 – Unified IP Phone 8841 with 5‑Line Display & Gigabit Ethernet

The Cisco CP-8841-K9 is a business‑class, five‑line IP phone designed for knowledge workers, administrative staff, and enterprise environments requiring secure, reliable, and high‑quality voice communications. Featuring a 5-inch widescreen color display, dual Gigabit Ethernet ports, and wideband audio, the 8841 delivers an exceptional user experience with modern ergonomics and energy‑efficient design. It integrates seamlessly with Cisco Unified Communications Manager and Cisco Webex platforms for streamlined collaboration.

🔧 Key Specifications

• Display: 5-inch (800x480) widescreen color display
• Lines: 5 programmable line/feature keys
• Audio: Full-duplex speakerphone with wideband audio (handset, headset, speaker)
• Connectivity: Dual Gigabit Ethernet ports (10/100/1000)
• Headset Support: RJ-9 and EHS compatible
• Power: Supports IEEE 802.3af PoE (power cube optional)
• Protocol: SIP for Cisco Unified Communications Manager and Webex Calling
• Security: SRTP, TLS, 802.1X authentication
• Buttons: 5 programmable keys, 4 soft keys, navigation cluster
• Expansion: Compatible with Cisco Key Expansion Module (KEM)

🧩 Ideal Use Cases

• Enterprise offices requiring secure, high‑quality voice communications
• Knowledge workers needing multiple lines and advanced call handling
• Reception and administrative desks using expansion modules
• Hybrid and on‑prem UC deployments with Cisco UCM or Webex Calling

⚙️ Platform & Compatibility

• Fully supported on Cisco Unified Communications Manager (CUCM)
• Compatible with Cisco Webex Calling and Cisco Business Edition platforms
• Supports Cisco EnergyWise for reduced power consumption
• Hot‑desking and Extension Mobility capable