Cisco 8811 VoIP Phone Manual

The Cisco 8811 is a business-class VoIP phone featuring a high-resolution grayscale display, Gigabit Ethernet ports, Power over Ethernet (PoE) support, integrated IEEE 802.3af compliance, HD voice quality, multiple line appearances, programmable soft keys, headset and handset ports, speakerphone, and support for SIP and 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. Using Phone Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: High-resolution grayscale display, Handset, Speakerphone, Programmable soft keys, Navigation cluster, Volume rocker, Headset port, Gigabit Ethernet ports.

Feature	Description
Display	High-resolution grayscale LCD with adjustable contrast
Network Ports	Gigabit Ethernet (10/100/1000) with PoE support
Audio	HD voice quality, wideband audio support
Handset	Standard RJ-9 handset with hearing aid compatible (HAC) option
Headset Port	RJ-9 port for headset connection
Speakerphone	Full-duplex speakerphone with echo cancellation
Soft Keys	Programmable context-sensitive soft keys
Navigation Cluster	5-way navigation button for menu control
Volume Rocker	Adjusts handset, headset, speakerphone, and ringer volume
Power	IEEE 802.3af PoE or optional power adapter

Installation

Unpack and inspect contents. Place phone on stable surface.

Connect to network: Use Ethernet cable from switch to phone's NETWORK port.
Connect PC (optional): Use second Ethernet cable from phone's PC port to computer.
Connect handset: Plug handset cable into HANDSET port.
Connect headset (optional): Plug headset into HEADSET port.
Power on: Phone receives power via PoE or connect optional power adapter.

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

First-Time Setup

Phone boots automatically; follow on-screen prompts.

Network registration: Phone obtains IP via DHCP; registers with call server.
Set language: Press Settings button, select User Preferences > Language.
Configure time/date: Automatically set via network or manually in Settings.
Program soft keys: Customize via phone web interface or call server.
Test audio: Make test call to verify handset, speakerphone, and headset.

CAUTION! Do not disconnect during boot process. Allow phone to complete startup.

Specifications

Display: High-resolution grayscale LCD, adjustable contrast.
Network: Dual Gigabit Ethernet ports, IEEE 802.3af PoE.
Audio: HD voice, wideband audio, G.711, G.729 codecs.
Protocols: SIP, SCCP (Skinny), IEEE 802.1X.
Ports: RJ-45 (network/PC), RJ-9 (handset/headset).
Power: PoE (class 2) or 48V DC power adapter.
Operating Temp: 32°F to 104°F (0°C to 40°C).
Compliance: FCC Part 15, UL, CE, RoHS.

Controls and Settings

Access menu via NAVIGATION button or Settings soft key. Front buttons: MUTE, SPEAKERPHONE, HEADSET, VOLUME.

Soft Keys: Context-sensitive for call functions (Hold, Transfer, Conference, etc.).

Settings: User Preferences (Language, Contrast, Ringtone), Network Configuration (IP, DHCP), Phone Information (Model, MAC, Firmware). Audio: Adjust volume for handset, speaker, ringer, headset. Display: Adjust contrast, backlight timeout. Security: Configure passwords, authentication.

Connecting Devices

Network: Ethernet to NETWORK port. PC: Ethernet to PC port. Handset/Headset: RJ-9 connectors.

Power off phone before connecting devices.
Use Cat5e or higher Ethernet cables for network connections.
Ensure handset/headset cables are fully inserted.
Select audio source via HEADSET or SPEAKERPHONE button.

Tip: Label cables for easy identification during maintenance.

Using Phone Features

Supports basic and advanced telephony features.

Make call: Lift handset or press SPEAKERPHONE/HEADSET, dial number.
Answer call: Lift handset, press SPEAKERPHONE, or press Answer soft key.
Hold: Press Hold soft key during active call.
Transfer: Press Transfer, dial target number, press Transfer again.
Conference: Press Conference, dial participant, press Conference again.
Voicemail: Press Messages button or dial voicemail access number.
Call history: Press Directories button to view missed, received, placed calls.
Speed dial: Program via phone web interface or call server.

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

Accessibility Features

Hearing Aid Compatible (HAC) handset available. Visual alerts: Flashing LED for incoming calls. Adjustable ringer volume and tone. Large, high-contrast display for improved visibility.

Care & Cleaning

Unplug power before cleaning. Use soft, dry cloth; mild detergent if needed. Avoid liquids, aerosols, abrasives.

CAUTION! Do not spray cleaners directly on phone. Disconnect all cables before cleaning.

Regulatory Information

FCC Part 15: Class A digital device; complies with limits for business environments. Copyright © Cisco Systems, Inc. All rights reserved. For support, visit www.cisco.com or contact Cisco Technical Assistance Center (TAC).

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	PoE/Power adapter	Check Ethernet cable; verify PoE switch; try power adapter.
No network	Cable/DHCP	Check cable connections; verify DHCP server; restart phone.
No audio	Volume/mute	Adjust volume; check mute status; verify handset/headset connection.
Cannot register	Network/server	Verify IP configuration; check call server settings; contact administrator.
Display issues	Contrast/cable	Adjust contrast in settings; check internal connections if persistent.

Reset: Press and hold # key during boot for factory reset (erases configuration).

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