Cisco Phone 8841 User Manual

The Cisco IP Phone 8841 is a multi-line business phone supporting up to 10 lines, featuring a high-resolution color display, integrated Gigabit Ethernet switch, support for Power over Ethernet (PoE), HD voice, Bluetooth for headset connectivity, and advanced call handling features. It is designed for use 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 Devices 7. Making and Managing Calls 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: High-resolution color display, Handset, Speakerphone, Keypad, Line/Feature buttons, Navigation cluster, Headset/Bluetooth connectivity, Ethernet ports.

Feature	Description
Display	High-resolution color LCD with backlight
Lines	Supports up to 10 lines with dedicated buttons
Network	Integrated Gigabit Ethernet switch (PC port)
Power	Power over Ethernet (PoE) or external power adapter
Audio	HD wideband audio, built-in speakerphone
Connectivity	Bluetooth for wireless headsets, Headset port
Security	802.1X authentication, encrypted signaling/media
Hold/Resume	Place calls on hold and resume
Conference	Multi-party conference calls
Transfer	Blind and consultative call transfer

Installation

Unpack and inspect contents. Place phone on stable surface.

Connect to Network: Plug Ethernet cable from switch into NETWORK port on phone.
Connect PC (Optional): Plug PC Ethernet cable into PC port on phone.
Power the Phone: Use PoE from switch or connect external power adapter to power port.
Connect Handset: Plug handset cable into handset port.
Connect Headset (Optional): Plug wired headset into headset port or pair Bluetooth headset.

WARNING! Use only approved power adapter. Ensure cables are securely connected.

First-Time Setup

Phone boots and registers with Cisco Unified Communications Manager.

Network Registration: Phone obtains IP address and downloads configuration automatically.
Verify Registration: Check for extension number and user information on display.
Set Preferences: Press Settings button to configure ringtone, volume, screen timeout.
Set Up Voicemail: Follow prompts or contact administrator for voicemail setup.
Test Call: Make a test call to verify audio quality and functionality.

CAUTION! Do not disconnect during boot process. Contact administrator for configuration issues.

Specifications

Model: Cisco IP Phone 8841.
Display: High-resolution color graphical display.
Network Interfaces: 10/100/1000 Mbps Ethernet (RJ-45).
Power: IEEE 802.3af PoE (Class 3) or 48 VDC external power.
Audio Codecs: G.711, G.722, G.729, iLBC.
Protocols: SIP, SCCP, 802.1X, TLS, SRTP.
Bluetooth: Version 3.0+ for headset profile.
Operating Temperature: 32°F to 104°F (0°C to 40°C).
Compliance: FCC Part 15, ICES-003, RoHS, WEEE.

Controls and Settings

Access menus via Settings button or touch screen. Front Panel: Mute, Headset, Speakerphone, Volume rocker, Navigation cluster.

Buttons: Line buttons, Hold, Transfer, Conference, Messages, Settings, Headset, Speakerphone, Mute.

Settings Menu: Ringtone selection, Display brightness/contrast, Network configuration (view only), Bluetooth setup, Audio settings (ringer, handset, speaker volume), Phone lock, Date and time format. Call Features: Hold, Resume, Transfer, Conference, Forward All, Do Not Disturb.

Connecting Devices

Network: NETWORK port to switch. PC: PC port to computer. Headset: Wired to headset port or Bluetooth pairing.

Turn off phone before connecting wired headset.
For Bluetooth: Enable Bluetooth in Settings > Bluetooth > Add Device.
Select input/output device in audio settings if multiple devices connected.

Tip: Use certified Cisco headsets for optimal compatibility and audio quality.

Making and Managing Calls

Supports basic and advanced call features.

Make Call: Lift handset or press Speakerphone/Headset, dial number, press Dial softkey or #.
Answer Call: Lift handset, press Answer softkey, or press Speakerphone/Headset.
End Call: Press EndCall button or place handset on cradle.
Hold/Resume: Press Hold button to place call on hold; press Resume or line button to retrieve.
Transfer: During call, press Transfer, dial target number, press Transfer again (blind) or wait for answer then transfer (consultative).
Conference: During call, press Conference, dial participant, press Conference again to join.
Forward Calls: Press CFwdAll softkey, enter destination number.
Voicemail: Press Messages button or dial voicemail access number.

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

Accessibility Features

Hearing Aid Compatibility (HAC): Meets FCC requirements. Visual Alerts: Flashing LED for incoming calls (if configured). Audio Adjustments: Independent volume controls for ringer, handset, speaker, headset. Large Font Option: Adjust text size in display settings.

Care & Cleaning

Unplug power before cleaning. Use soft, dry, lint-free cloth. For stubborn marks, dampen cloth with water or mild soap solution; do not apply directly to phone.

CAUTION! Do not use abrasive cleaners, solvents, or aerosols. Avoid getting moisture into openings.

Regulatory Information

FCC Part 15: Class A digital device; complies with limits for business environments. This device complies with Industry Canada licence-exempt RSS standard(s). Copyright © 2025 Cisco Systems, Inc. All rights reserved. Cisco and the Cisco logo are trademarks of Cisco Systems, Inc. For support, visit www.cisco.com/go/phones or contact Cisco Technical Assistance Center (TAC).

Troubleshooting

Symptom	Possible Cause	Corrective Action
No display/power	Power/Ethernet cable	Check PoE switch power or external adapter connection; reseat Ethernet cable.
No network registration	Network configuration	Verify network settings (IP address, subnet mask, gateway); contact administrator.
No dial tone	Line configuration	Check line button assignment; verify registration with call manager.
Poor audio quality	Network/device	Check network for packet loss/jitter; test with handset, headset, speakerphone separately.
Bluetooth not connecting	Pairing/range	Ensure phone Bluetooth is on; put headset in pairing mode; stay within 30 feet.
Button not responding	Software/configuration	Restart phone; check button programming in Unified CM administration.

Reset: Settings > Admin Settings > Reset Settings (may require admin password).

Service: Cisco Technical Assistance Center (TAC): 1-800-553-2447; www.cisco.com/go/phones