Cisco CP-7841-K9 4-Line Gigabit IP Phone

Cisco 7841 VoIP Endpoint

The Cisco CP-7841-K9 IP Phone provides a highly secure and cost-effective voice communication solution for enterprise-level environments. This multi-line endpoint features four programmable line keys that users can configure to support either multiple directory numbers or calling features. Additionally, the integrated dual-port Gigabit Ethernet switch ensures high-speed network connectivity for both the device and a co-located PC. Consequently, IT departments can simplify cabling infrastructure while maintaining superior data throughput for bandwidth-intensive applications. The hardware architecture supports wideband audio for high-fidelity voice quality across the handset and speakerphone.

Key Features

• High-Resolution Grayscale Display
  The 3.5-inch 396 x 162 pixel screen provides clear visual access to calling features and text-based XML applications.

• Advanced Networking and Power

  • Dual-port 10/100/1000BASE-T Ethernet interface for high-speed pass-through
  • IEEE 802.3af Power over Ethernet (PoE) Class 1 compliance for low power consumption

• Ergonomic Audio Design
  A full-duplex speakerphone allows for flexible hands-free communication while supporting wideband G.722 audio codecs.

Specifications

What’s in the Box

• Cisco 7841 IP Phone Terminal
• Wideband Handset and Coiled Cord
• Two-Position Footstand
• Ethernet Cable (CAT5e)
• Quick Start Guide

Why Choose This VoIP Endpoint

• This system reduces energy costs through Cisco EnergyWise technology which manages power consumption during off-hours.
• The device provides enterprise-grade security using TLS and SRTP encryption to protect sensitive voice data across the network.
• Fixed function keys for directory, messaging, and transfer improve navigational efficiency for high-volume call handling.
• However, users must note that the external power supply is sold separately if PoE is not available on the network switch.