Cisco IP Phone Gigabit Port 5 inches widescreen ,
4 Line , POE \ CP-8841-K9

The Cisco IP Phone 8841 is a business-class VoIP phone designed to deliver crystal-clear audio, enterprise-grade features, and Gigabit-speed connectivity. With a sleek design, a 5-inch widescreen color display, and support for up to 4 lines, this device enhances user productivity and ensures secure, high-quality communications for modern workplaces.
Engineered for organizations that demand performance, flexibility, and reliability, the Cisco 8841 is the perfect addition to unified communications environments across all business sizes.
📱 Key Features
✅ 5-Inch High-Resolution Color Display
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WVGA (800 x 480 pixels), widescreen, backlit display
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Intuitive user interface for quick access to contacts, calls, and settings
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Ideal for multitasking professionals
🔌 Integrated Dual-Port Gigabit Ethernet
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One port connects the phone to the network, and the second port connects a PC
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Ensures high-speed data transfer without additional cabling
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Reduces desktop clutter and simplifies setup
🔊 Wideband Audio for Exceptional Voice Quality
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Supports HD Voice with full-duplex speakerphone
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Echo cancellation and noise reduction ensure clear conversations
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Ideal for open office spaces and call-intensive environments
⚙️ Four Programmable Line Keys
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Each key can be configured for line status, speed dial, or call features
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Perfect for professionals who handle multiple lines or frequent calls
⚡ Power over Ethernet (PoE) Support
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Compatible with IEEE 802.3af Class 2 PoE, eliminating the need for separate power adapters
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Simplifies deployment and reduces cabling costs
🔐 Enhanced Security and Manageability
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Secure boot, image authentication, and device encryption
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Centralized provisioning via Cisco Unified Communications Manager or compatible call control platforms
📦 Technical Specifications
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Model: CP-8841-K9
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Display: 5″ widescreen WVGA (800×480), color
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Lines Supported: 4 SIP lines
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Ethernet Ports: 2 x 10/100/1000 Mbps
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PoE: IEEE 802.3af Class 2
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Audio: Handset, speakerphone, and headset with HD voice
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Bluetooth: Yes (for wireless headsets)
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Wall-Mountable: Optional kit available
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Operating System: Cisco Unified SIP firmware
🏢 Ideal For:
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Corporate offices
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Customer service teams
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Executives and managers
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Medium to large enterprises
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Call centers and reception desks
📝 Conclusion
The Cisco IP Phone 8841 (CP-8841-K9) delivers a powerful combination of performance, usability, and design, making it an ideal IP phone for today’s business environment. With Gigabit Ethernet, HD voice, and PoE support, it enables reliable and secure communication while simplifying network infrastructure.
🔗 Cisco 8841 – Elevate your voice communication experience.
CP-8841-K9 Specifications |
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Audio codec support | ● G.711a-law and mu-law, G.722, G.729a, Internet Low Bitrate Codec (iLBC), and Internet Speech Audio Codec (iSAC) |
Call features |
● + Dialing
● Abbreviated dialing ● Adjustable ringtones and volume levels ● Adjustable display brightness ● Agent greeting ● Auto-answer ● Auto-detection of the headset ● cBarge ● Busy Lamp Field (BLF) ● Busy Lamp Field (BLF) Pickup ● Busy Lamp Field (BLF) speed dial ● ● Caller ID ● Corporate directory ● Conference, including traditional Join feature ● Cross Cluster Extension Mobility (EMCC) ● Direct transfer ● Extension mobility ● Fast-dial service ● Forced access codes and client matter codes ● Group call pickup ● Hold ● Intercom ● Immediate divert ● Malicious-caller ID ● Message-waiting indicator (MWI) ● Meet-me conference ● Mobility ● Music on hold (MoH) ● Mute ● Network profiles (automatic) ● On- and off-network distinctive ringing ● Personal directory ● PickUp ● Predialing before sending ● Privacy ● Private Line Automated Ringdown (PLAR) ● Redial ● Ring tone per line appearance ● Service Uniform Resource Locator (URL) ● Shared line ● Silent monitoring and recording ● Speed dial ● Time and date display ● Transfer ● Uniform Resource Identifier (URI) dialing ● Visual voicemail ● Voice mail ● Whisper coaching |
Electronic hookswitch |
● You can control the hookswitch electronically with a third-party headset connected to the auxiliary port. |
Quality-of-service (QoS) options | ● The phone supports Cisco Discovery Protocol and 802.1Q/p standards, and can be configured with an 801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID. |
Network features | ● Session Initiation Protocol (SIP) for signaling
● Session Description Protocol (SDP) ● IPv4 and IPv6 ● User Datagram Protocol (UDP) (used only for Real-Time Transport Protocol [RTP] streams) ● Dynamic Host Configuration Protocol (DHCP) client or static configuration ● Gratuitous Address Resolution Protocol (GARP) ● Domain Name System (DNS) ● Trivial File Transfer Protocol (TFTP) ● Secure Hypertext Transfer Protocol (HTTPS) ● VLAN ● Real-Time Transport Protocol (RTP) ● Real-Time Control Protocol (RTCP) ● Cisco Peer-to-Peer Distribution Protocol (PPDP) ● Cisco Discovery Protocol ● LLDP (including LLDP-MED) ● Switch speed auto-negotiation |
Security features | ● Secure boot
● Secure credential storage ● Device authentication ● Configuration file authentication and encryption ● Image authentication ● Random bit generation ● Hardware cryptographic acceleration ● Certificate Authority Proxy Function (CAPF) ● Manufacturer-Installed Certificates (MIC) ● Locally Significant Certificates (LSC) ● Ethernet 802.1x supplicant options: Extensible Authentication Protocol-Flexible Authentication via Secure Tunneling (EAP-FAST) and Extensible Authentication Protocol-Transport Layer Security (EAP-TLS) ● Signaling authentication and encryption using TLS ● Media authentication and encryption using SRTP ● HTTPS for client and server ● Secure Shell (SSH) Protocol server ● SSL-based VPN client |
Physical dimensions(H × W × D) |
● 9.02 x 10.13 x 1.57 in. (229.1 x 257.34 x 40 mm) (excluding foot stand) |
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