Cisco Model CP 8841 User Manual

The Cisco Model CP 8841 is a professional-grade IP phone designed for business environments, featuring a high-resolution color display, support for multiple lines, advanced audio capabilities with wideband audio, Power over Ethernet (PoE), built-in Gigabit Ethernet switch, integrated headset port, and support for Cisco Unified Communications Manager. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: High-resolution color display, Handset, Speakerphone, Line keys, Navigation cluster, Volume rocker, Headset port, Ethernet ports.

Installation

Unpack and inspect contents. Place on stable surface.

1. Connect to network: Use Ethernet cable to connect LAN port to network switch.
2. Connect handset: Plug handset cord into dedicated jack.
3. Connect optional headset: Plug into headset port.
4. Power the phone: Use PoE from switch or connect power adapter.

WARNING! Use only approved power sources. Ensure proper ventilation around device.

First-Time Setup

Power on phone; follow on-screen prompts.

1. Network registration: Phone will attempt to register with Cisco Unified Communications Manager.
2. Configure settings: Use phone menu to set language, time zone, and user preferences.
3. Line configuration: Assign lines and speed dials as needed.
4. Audio adjustment: Set volume levels for handset, speaker, and ringer.

CAUTION! Do not place phone in direct sunlight or near heat sources.

Specifications

• Display: High-resolution color LCD.
• Audio Codecs: G.711, G.722, G.729, iLBC.
• Network: Dual 10/100/1000 Mbps Ethernet ports.
• Power: 802.3af PoE or 48V DC power adapter.
• Protocols: SIP, SCCP.
• Supported features: Multiple lines, call hold, transfer, conference, forward.
• Headset: EHS support for wireless headsets.
• Operating Temp: 32°F to 104°F (0°C to 40°C).

Controls and Settings

Access menu via Settings button. Front Panel: Line keys, Navigation cluster, Speakerphone, Mute, Headset.

Buttons: Hold, Transfer, Conference, Messages, Settings, Volume rocker.

Display Settings: Contrast, backlight timeout, screen saver. Audio Settings: Ring tone selection, volume levels, audio mode. Network Settings: IP configuration, VLAN, QoS. Phone Settings: Language, date/time format, user information.

Connecting Devices

Network: Ethernet cable to LAN port. PC: Connect PC to PC port for network pass-through. Headset: Wired headset to headset port.

1. Turn off phone before connecting accessories.
2. Match cables to correct ports.
3. Verify connections are secure.

Tip: Use quality Ethernet cables for optimal network performance.

Advanced Calling Features

Supports call hold, transfer, conference, forward.

1. Make call: Lift handset or press Speakerphone, dial number.
2. Hold: Press Hold button to place call on hold.
3. Transfer: During call, press Transfer, dial target, press Transfer again.
4. Conference: During call, press Conference, dial participant, press Conference to merge.
5. Forward: Set call forward via phone menu or Call Forward button.
6. Messages: Press Messages button to access voicemail.
7. Speed dial: Program line keys for speed dial numbers.

WARNING! Do not use phone with wet hands. Keep liquids away from device.

Accessibility Features

Visual alerts: Flashing LED for incoming calls. Audio adjustments: Customizable ring tones and volume. Headset compatibility: Supports hearing aid compatible headsets.

Care & Cleaning

Unplug before cleaning. Use slightly damp cloth; no harsh chemicals.

CAUTION! Do not spray liquids directly on phone. Avoid abrasive cleaners.

Regulatory Information

FCC Part 15: Class A digital device; complies with interference limits for business use. Copyright © 2025 Cisco Systems, Inc.; trademarks of Cisco. For support, visit www.cisco.com or contact 1-800-553-2447.

Troubleshooting

Reset: Settings > Admin Settings > Reset if available.

Service: 1-800-553-2447; www.cisco.com