Cisco 8841 User Manual

The Cisco 8841 is a high-performance IP phone designed for business environments, featuring a large color display, support for up to 12 lines, built-in Gigabit Ethernet switch, PoE support, HD voice quality, integrated Bluetooth, and advanced security features. 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. Using Phone Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Large color LCD display, Handset with HD audio, Speakerphone, Navigation cluster, Soft keys, Ethernet ports, Headset port.

Feature	Description
Display	5-inch color LCD with backlight
Lines	Supports up to 12 lines with line keys
Network	Dual Gigabit Ethernet ports with PoE support
Audio	HD voice quality, wideband audio support
Bluetooth	Integrated Bluetooth for wireless headset
Headset Port	3.5mm headset jack for wired headset
Security	802.1X authentication, encrypted signaling
Power	PoE (802.3af) or optional power adapter
Conference	Built-in conference bridge support
Messages	Integrated visual voicemail support

Installation

Unpack and inspect contents. Place on stable surface.

Connect to network: Use Ethernet cable to connect LAN port to network switch.
Connect power: Use PoE from switch or connect power adapter to power port.
Connect handset: Plug handset cable into handset port.
Connect headset: Optional headset connection to headset jack.

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

First-Time Setup

Power on phone; follow on-screen prompts.

Network configuration: Phone will obtain IP address via DHCP automatically.
Phone registration: Enter extension number and authentication credentials if required.
Language selection: Choose preferred language from settings menu.
Time/Date setup: Configure time zone and date format.
Line configuration: Assign lines to line keys as needed.

CAUTION! Keep phone away from liquids and extreme temperatures.

Specifications

Display: 5-inch color LCD, 480 x 272 pixels.
Network: Dual 10/100/1000 Mbps Ethernet ports.
Audio Codecs: G.711, G.722, G.729, iLBC.
Protocols: SIP, SCCP, 802.1X, LLDP, CDP.
Power: PoE (802.3af Class 2) or 12V DC power adapter.
Bluetooth: Version 3.0+EDR, HSP and HFP profiles.
Dimensions: 9.1" x 10.9" x 6.3" (231 x 277 x 160 mm).
Weight: 3.3 lbs (1.5 kg).
Operating Temp: 32°F to 104°F (0°C to 40°C).

Controls and Settings

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

Buttons: Line keys (1-12), Hold, Transfer, Conference, Messages, Settings, Speakerphone, Mute, Volume, Navigation.

Display Settings: Brightness, contrast, backlight timeout, screen saver. Audio Settings: Ringtone selection, volume levels, audio mode. Network Settings: IP configuration, VLAN, QoS. Phone Settings: Time/date, language, user information. Security: Password, authentication method.

Connecting Devices

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

Turn off phone before connecting additional devices.
Match cables to ports (Ethernet to LAN, PC to PC port).
For Bluetooth headset: Enable Bluetooth in settings and pair device.

Tip: Use Cat5e or better Ethernet cables for optimal performance.

Using Phone Features

Supports calling, conferencing, messaging, and directory access.

Make call: Lift handset or press Speakerphone, dial number.
Answer call: Lift handset, press Speakerphone, or press Answer soft key.
Hold: Press Hold button to place call on hold.
Transfer: Press Transfer, dial recipient, press Transfer again.
Conference: Press Conference, dial participant, press Conference again.
Voicemail: Press Messages button to access voicemail.
Directory: Press Directory button to access corporate directory.
Call History: Press History button to view missed/received calls.

WARNING! Do not disassemble phone. Refer servicing to qualified personnel.

Accessibility Features

Visual Alerts: Flashing LED for incoming calls. Audio Adjustments: Adjustable volume for ringer, handset, speakerphone. High Contrast: Optional high contrast display mode. Large Font: Option for larger text display.

Care & Cleaning

Unplug before cleaning. Use slightly damp cloth; no liquids or abrasive cleaners.

CAUTION! Do not use solvents or spray cleaners directly on phone.

Regulatory Information

FCC Part 15: Class A digital device; complies with interference limits for business use. CE Mark: Complies with European directives. Copyright © 2024 Cisco Systems, Inc.; Cisco and the Cisco logo are trademarks. For support, visit www.cisco.com/support or contact 1-800-553-2447.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power source/connection	Check PoE switch or power adapter; ensure cable is secure.
No network connection	Cable/DHCP	Check Ethernet cable; verify DHCP server is available.
No audio	Volume/mute	Adjust volume; check mute status; verify handset connection.
Cannot make calls	Registration/configuration	Verify phone is registered; check extension configuration.
Display issues	Settings/cable	Adjust brightness; check display cable connection internally.

Reset: Press and hold # key during boot for factory reset.

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