Cisco Phone Manual 8811 User Guide

The Cisco IP Phone 8811 is a business-class VoIP desk phone featuring a high-resolution display, support for up to 2 lines, Power over Ethernet (PoE), Gigabit Ethernet ports, integrated speakerphone, headset support, and advanced call management features. It is designed for reliable voice communication in enterprise environments. 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. Advanced Call Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: High-resolution LCD display, Handset, Speakerphone, Ethernet ports, Headset jack, Volume control, Programmable buttons.

Feature	Description
Display	High-resolution monochrome or color LCD with status information
Handset	Standard handset with receiver and microphone
Speakerphone	Full-duplex speakerphone for hands-free calls
Ethernet Ports	Two 10/100/1000 Ethernet ports (LAN and PC)
Headset Jack	For connecting a wired headset (optional)
Volume Control	Roller or buttons for adjusting handset, speaker, and ringer volume
Programmable Line/Feature Keys	Buttons for line selection, speed dial, call features
Power Source	Power over Ethernet (PoE) or external power adapter
Hold Button	Places an active call on hold
Mute Button	Mutes the microphone

Installation

Unpack and inspect contents. Place on stable desk surface.

Connect to Network: Plug Ethernet cable from switch into the LAN port on the phone.
Connect Computer (Optional): Plug Ethernet cable from PC into the PC port on the phone.
Connect Handset: Plug handset cord into the handset jack.
Power the Phone: Use Power over Ethernet (PoE) from switch or connect external power adapter.

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

First-Time Setup

Phone will boot and attempt to obtain network configuration.

Network Registration: Phone should automatically register with the call control system (CUCM or other).
Verify Extension: Check display for assigned phone number and status.
Set Language: Press Settings button, navigate to User Preferences > Language.
Adjust Settings: Configure time, date, ringtone, and volume preferences.

CAUTION! Do not unplug during boot process. Contact administrator for network settings.

Specifications

Phone Model: Cisco IP Phone 8811.
Display: High-resolution pixel-based LCD.
Network: 10/100/1000 Mbps Ethernet, IEEE 802.3af PoE.
Audio: Wideband audio support, G.711, G.729 codecs.
Lines: Supports up to 2 SIP lines.
Ports: Two RJ-45 Ethernet, RJ-9 handset, headset jack.
Protocols: SIP, RTP, RTCP, DHCP, TFTP, HTTP/HTTPS.
Power Source: 802.3af PoE or 12V DC power adapter.
Operating Temp: 32°F to 104°F (0°C to 40°C).

Controls and Settings

Access menu via Settings button. Front Buttons: Speakerphone, Mute, Hold, Volume, Navigation cluster.

Softkeys: Context-sensitive buttons below display for call functions (Answer, EndCall, Transfer, etc.).

Settings Menu: User Preferences (Language, Ringtone, Screen Contrast), Network Configuration (view IP, subnet), Phone Information (model, firmware). Call Features: Hold, Transfer, Conference, Forward All, Do Not Disturb. Audio: Adjust handset, speaker, and ringer volume independently.

Connecting Devices

Network: LAN port to switch. PC: PC port to computer. Headset: Plug into headset jack.

Turn off devices before connecting cables.
Match Ethernet cables to correct ports (LAN vs PC).
For headset, use compatible RJ-9 or USB adapter if required.

Tip: Use quality CAT5e or CAT6 cables for Gigabit Ethernet performance.

Advanced Call Features

Supports standard and advanced telephony features.

Make Call: Lift handset or press Speakerphone, dial number.
Answer Call: Lift handset, press Speakerphone, or press Answer softkey.
Hold: Press Hold button to place call on hold.
Transfer: During call, press Transfer, dial target number, press Transfer again.
Conference: During call, press Conference, dial second party, press Conference again to merge.
Forward All: Press Forward All softkey, enter destination number.
Call History: Press Applications button to view missed, received, placed calls.
Speed Dial: Assign numbers to programmable buttons via settings.

WARNING! Do not use excessive force on buttons or handset cord.

Accessibility Features

Visual Alert: Flashing LED for incoming call. Hearing Aid Compatible (HAC): Handset is HAC rated. Volume Boost: Adjustable receiver and ringer volume for amplified sound.

Care & Cleaning

Unplug power before cleaning. Use slightly damp, lint-free cloth. Do not use liquids or aerosols directly on phone.

CAUTION! Avoid cleaning agents containing alcohol or ammonia. Keep liquids away from openings.

Regulatory Information

FCC Part 15: Class B digital device; complies with limits for residential installation. CE Marked: Conforms to European directives. Industry Canada ICES-003 Compliance. For support, visit www.cisco.com or contact Cisco Technical Assistance Center. Copyright © Cisco Systems, Inc.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power/display blank	Power/PoE issue	Check Ethernet/Power connection; verify switch PoE capability; try different power adapter.
No dial tone	Network/Registration	Check network cables; verify phone is registered with call server; restart phone.
Call audio issues	Network/Handset	Check network quality; adjust volume; try different handset; verify codec settings.
Phone not registering	Configuration/DHCP	Verify DHCP server is reachable; check TFTP server settings; contact administrator.
Buttons not responding	Software/Physical	Restart phone; check for firmware updates; ensure no physical obstruction.

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

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