Cisco Phone Manual 8811

The Cisco IP Phone 8811 is a business-class VoIP desk phone featuring a high-resolution grayscale display, support for Power over Ethernet (PoE), Gigabit Ethernet ports, a built-in headset port, and support for multiple lines and call features. It is designed for reliable voice communication in enterprise environments, integrating with Cisco Unified Communications Manager (CUCM). 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: Grayscale display, handset, keypad, Ethernet ports, headset port, and programmable buttons.

Feature	Description
Display	High-resolution grayscale LCD with adjustable contrast
Network Ports	Two 10/100/1000 Ethernet ports (LAN and PC)
Power	Power over Ethernet (PoE) or optional external power adapter
Audio	Full-duplex speakerphone, handset, headset port
Programmable Buttons	Line keys, feature keys (hold, transfer, conference, etc.)
Security	Support for 802.1X authentication, encrypted signaling/media
Protocols	SIP and SCCP support
Headset Port	3.5mm headset jack for hands-free operation
Volume Control	Dedicated rocker for handset, speaker, and ringer volume
Messages Button	Direct access to voicemail

Installation

Unpack and inspect contents. Place on stable desk surface.

Connect to Network: Use Ethernet cable to connect the LAN port to your network switch.
Connect PC (optional): Use second Ethernet cable from PC port to your computer.
Power the Phone: Use PoE from switch or connect external power adapter to power port.
Connect Handset: Plug coiled handset cord into handset port.
Connect Headset (optional): Plug 3.5mm headset into headset jack.

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

First-Time Setup

Phone will boot and attempt to register with Cisco Unified Communications Manager.

Network Configuration: If using DHCP, phone obtains IP automatically. For static IP, configure via settings menu.
Verify Registration: Check display for extension number and "Registered" status.
Set User Preferences: Press Settings button to set time, date, ringtone, contrast, etc.
Test Call: Lift handset and dial another extension to verify audio.

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

Specifications

Display: Grayscale LCD, 3.5-inch.
Network: 10/100/1000 Mbps Ethernet, IEEE 802.3af PoE.
Audio Codecs: G.711, G.729, G.722, iLBC, Opus.
Protocols: SIP (Session Initiation Protocol), SCCP (Skinny Client Control Protocol).
Security: 802.1X, TLS, SRTP.
Power Consumption: Max 5.0W (PoE).
Operating Temperature: 32°F to 104°F (0°C to 40°C).
Compliance: FCC Part 15, CE, RCM.

Controls and Settings

Access settings via the Settings button. Navigation uses the 4-way navigation cluster.

Front Panel: Handset, grayscale display, keypad, volume rocker, Messages, Settings, Hold, Transfer, Conference, Speakerphone, Mute, Headset buttons.

Display Softkeys: Context-sensitive functions appear on screen (e.g., More, Redial, CFwdAll).

Settings Menu: Network configuration, Device configuration, User Preferences (ringtone, screen contrast, date/time), Status (network info, firmware).

Connecting Devices

Network: LAN port to switch. PC: PC port to computer. Headset: 3.5mm jack.

Ensure phone is powered off before connecting cables.
Use standard CAT5e or higher Ethernet cables.
For headset, use Cisco-approved models for full functionality.

Tip: Label cables for easy identification. Use cable ties for neatness.

Advanced Call Features

Supports standard enterprise 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 Calls: Press CFwdAll softkey, enter destination number.
Voicemail: Press Messages button to access voicemail.
Call History: Press the directory button to view missed, received, and placed calls.

WARNING! Do not use excessive force on buttons or keypad.

Accessibility Features

Visual Alert: Flashing LED for incoming calls. Hearing Aid Compatible (HAC): Handset meets HAC standards. Ringer Volume: Adjustable via volume rocker. High-Contrast Display: Adjustable contrast in settings.

Care & Cleaning

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

CAUTION! Avoid abrasive cleaners. Keep liquids away from openings.

Regulatory Information

FCC Part 15: Class A digital device; complies with limits for business use. CE marked for European market. 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/PoE issue	Check Ethernet cable; verify switch PoE; try external power adapter.
No dial tone	Network/registration	Check network connection; verify phone is registered with CUCM.
Poor audio quality	Network congestion/cables	Check network QoS settings; replace handset/headset cable.
Display is blank	Contrast/power	Adjust contrast in settings; reboot phone.
Cannot access voicemail	Configuration	Verify Messages button is configured; contact administrator.

Reset: Settings > Device Configuration > Reset Settings (may require admin password).

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