Cisco Phone CP 8841 Manual

The Cisco CP 8841 is a high-performance IP conference phone designed for medium to large conference rooms. It features wideband audio, an integrated full-duplex speakerphone, a large color touchscreen, support for multiple lines and call appearances, Power over Ethernet (PoE), and integration with Cisco Unified Communications Manager. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting to Network 7. Making and Managing Calls 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Color touchscreen, Speakerphone, Handset, Ethernet ports, Headset port, Volume controls, Mute button.

Feature	Description
Color Touchscreen	5-inch display for call management and settings
Wideband Audio	High-definition voice quality for calls
Full-Duplex Speakerphone	Echo-free conference calling
Ethernet Ports	10/100/1000 Mbps with PoE support
Headset Port	For private audio listening (3.5mm jack)
Volume Controls	Adjust speaker, handset, and headset volume
Mute Button	Mutes microphone during calls
Multiple Lines	Supports up to 10 lines/call appearances
Power Source	PoE (802.3af) or optional AC adapter
Security	Encrypted signaling and media (SRTP, TLS)

Installation

Unpack and inspect contents. Place on stable conference table.

Connect to network: Use Ethernet cable to connect phone to PoE switch or router.
Connect handset: Attach coiled handset cord to phone base and handset.
Connect headset (optional): Plug into headset port.
Power on: Phone boots automatically when connected to PoE or AC power.

WARNING! Ensure stable placement; avoid locations with excessive heat or moisture.

First-Time Setup

Phone boots and registers with Cisco Unified Communications Manager (CUCM).

Network configuration: Obtain IP address via DHCP (default).
Register with CUCM: Enter provided extension and credentials if prompted.
Set language: Navigate to Settings > User Preferences > Language.
Adjust audio settings: Use Settings > Audio to configure speaker and microphone levels.
Configure lines: Assign lines via CUCM administration.

CAUTION! Use only approved power sources; do not disassemble phone.

Specifications

Display: 5-inch color LCD touchscreen.
Audio Codecs: G.711, G.722, G.729, iLBC, Opus.
Network: 10/100/1000 Mbps Ethernet, PoE (802.3af).
Ports: Two Ethernet ports (LAN, PC), headset, handset.
Protocols: SIP, SCCP, HTTP/HTTPS, TFTP.
Power Consumption: Up to 6.5W (PoE).
Operating Temperature: 32°F to 104°F (0°C to 40°C).
Dimensions: 10.2" x 7.9" x 2.4" (259mm x 201mm x 61mm).
Weight: 3.3 lbs (1.5 kg).

Controls and Settings

Access settings via touchscreen or physical buttons.

Physical Controls: Mute button, Volume up/down, Speakerphone, Headset, Navigation cluster.

Touchscreen: Home screen with lines, calls, contacts, settings. Settings: Audio (volume, tone), Display (brightness, timeout), Network (IP configuration), Security (passwords).

Call Features: Hold, Transfer, Conference, Forward, Park, Redial, Voicemail access.

Connecting to Network

Connect phone to PoE switch or router using Ethernet cable.

Turn off phone before connecting cables.
Connect Ethernet cable from switch to phone's LAN port.
Connect PC to phone's PC port (optional for daisy-chaining).
Power on phone; verify network connection via Settings > Network Status.

Tip: Use CAT5e or higher Ethernet cable for optimal performance.

Making and Managing Calls

Supports multiple call appearances and advanced features.

Make call: Dial number on touchscreen keypad and press Dial or Speakerphone.
Answer call: Press Answer, Speakerphone, or Headset button.
Hold call: Press Hold button; resume by pressing Resume.
Transfer call: Press Transfer, dial target number, press Transfer again.
Conference call: Press Conference, dial participant, press Conference again.
Forward calls: Use Call Forward All in settings or via CUCM.
Voicemail: Press Messages button or dial voicemail access number.
Adjust volume: Use volume buttons during call for speaker, handset, or headset.

WARNING! Do not expose phone to liquids; keep away from food and beverages.

Accessibility Features

Visual alerts: Flashing LED for incoming calls. Audio adjustments: Equalizer settings for hearing impaired. Large text: Adjust font size in Display settings. TTY support: Compatible with teletype devices.

Care & Cleaning

Unplug from power before cleaning. Use dry, soft cloth; avoid liquids or abrasive cleaners.

CAUTION! Do not spray cleaners directly on phone; do not use compressed air on ports.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for commercial use. CE marked for European compliance. Copyright © Cisco Systems, Inc. For support, visit www.cisco.com or contact Cisco Technical Assistance Center (TAC).

Troubleshooting

Symptom	Possible Cause	Corrective Action
Phone not powering on	Power source/Ethernet cable	Check PoE switch or AC adapter; ensure Ethernet cable is securely connected.
No audio on calls	Volume/mute settings	Adjust volume; check mute button; verify audio settings in menu.
Cannot register to CUCM	Network/config issues	Verify IP address; check CUCM configuration; restart phone.
Touchscreen not responsive	Calibration/software	Restart phone; recalibrate touchscreen in settings.
Poor audio quality	Network congestion/codec	Check network bandwidth; adjust codec settings in CUCM.

Reset: Settings > Reset Settings > Factory Reset (requires admin password).

Service: Contact Cisco TAC: 1-800-553-2447; www.cisco.com/support