Cisco IP Phone 7841 CP-7841-W-K9 4-Line Gigabit VoIP Business Phone White

Description

Product Overview

The Cisco CP-7841-W-K9 is a business-class VoIP phone within the Cisco 7800 Series portfolio. Designed for enterprise communication environments, it provides four programmable line keys, HD voice quality, integrated Gigabit Ethernet switching, and support for Cisco Unified Communications deployments.

The phone is suitable for administrative staff, managers, knowledge workers, and enterprise users requiring reliable voice communications with advanced call handling capabilities.

Technical Architecture

• Product Type: Enterprise IP Phone
• Model: Cisco CP-7841-W-K9
• Series: Cisco IP Phone 7800 Series
• Supported Lines: 4
• Display: 3.5-inch grayscale display
• Display Resolution: 396 × 162 pixels
• Network Interfaces: 2 × 10/100/1000 Gigabit Ethernet ports
• Power Options: IEEE 802.3af PoE or optional AC power adapter
• Color: White

Key Features

• Four programmable line and feature keys
• Wideband HD audio support
• Full-duplex speakerphone functionality
• Integrated Gigabit Ethernet switch
• Support for SIP and enterprise telephony deployments
• Secure voice communications with TLS and SRTP support
• Power over Ethernet (PoE) support

Deployment Scenarios

• Enterprise office environments
• Corporate communications systems
• Administrative and managerial workstations
• Government and education institutions
• Unified communications deployments
• Contact center and customer service environments

Hardware / Software Features

• 4-line business phone architecture
• HD voice codecs including G.711, G.722, G.729A, and iLBC
• Dual Gigabit Ethernet connectivity
• Integrated speakerphone and headset support
• Support for Cisco Unified Communications Manager
• Upgradeable firmware via enterprise management platforms

Performance Notes

The CP-7841-W-K9 is optimized for enterprise voice communications. Performance depends on network quality, call-control platform configuration, and deployed firmware versions.

Integration / Compatibility

• Cisco Unified Communications Manager (CUCM)
• Cisco Business Edition platforms
• Cisco Hosted Collaboration environments
• IEEE 802.3af Power over Ethernet infrastructure
• SIP-based enterprise voice deployments

Frequently Asked Questions

Q1: How many lines does the Cisco CP-7841-W-K9 support?
A: The phone supports up to four programmable lines.

Q2: Does the phone support Power over Ethernet?
A: Yes, it supports IEEE 802.3af PoE.

Q3: Does it include Gigabit Ethernet connectivity?
A: Yes, the phone includes two 10/100/1000 Gigabit Ethernet ports.

Q4: Can the phone be used with Cisco Unified Communications Manager?
A: Yes, it is designed for Cisco Unified Communications deployments.

Q5: Does the phone support HD audio?
A: Yes, the device supports wideband HD voice communications.

Q6: Is an AC power adapter included?
A: Specification not confirmed. The phone can operate using PoE or an optional Cisco power adapter.