Cisco IP Phone 8800 Manual

The Cisco IP Phone 8800 Series is a family of advanced, feature-rich VoIP phones designed for business environments. Models include the 8811, 8841, 8845, 8851, 8861, and 8865, offering high-definition voice, a color touch screen (on select models), programmable line/feature keys, Bluetooth and Wi-Fi support (on select models), Gigabit Ethernet, and integration 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. Using Phone Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Handset with HD voice, Main LCD color display (touch or non-touch), Programmable line/feature keys, Navigation cluster, Speakerphone, Ethernet ports, Headset port.

Feature	Description
HD Voice	Wideband audio for superior call clarity
Color Display	High-resolution screen for call information and applications
Programmable Keys	Line keys, speed dials, feature access (BLF, etc.)
Gigabit Ethernet	10/100/1000 Mbps switch port for PC connection
Bluetooth/Wi-Fi	Wireless headset and network connectivity (model dependent)
Headset Port	3.5mm jack for wired headset connection
Speakerphone	Full-duplex speaker for hands-free calls
Power Options	802.3af/at PoE, AC power adapter (optional)
Security	Signed firmware, secure boot, device authentication
Expansion Module	Support for Cisco IP Phone 8800 Key Expansion Module

Installation

Unpack and inspect contents. Place phone on stable surface.

Connect to Network: Plug Ethernet cable from switch into the NETWORK port on the phone.
Connect PC (Optional): Plug PC Ethernet cable into the PC port on the phone.
Connect Handset: Plug the handset cable into the HANDSET port.
Connect Headset (Optional): Plug wired headset into the HEADSET port.
Apply Power: Use Power over Ethernet (PoE) from the switch or connect the optional AC power adapter.

WARNING! Use only approved power sources. Ensure cables are not pinched or damaged.

First-Time Setup

Phone boots and registers with Cisco Unified Communications Manager (CUCM).

Initial Boot: Wait for phone to download configuration and firmware from CUCM.
Verify Registration: Check for extension number and "Registered" status on screen.
Set User Preferences: Press the Settings button to configure ringtone, language, screen brightness, etc.
Program Keys: Use CUCM Administration or phone web interface to assign line appearances and features to programmable keys.

CAUTION! Do not unplug the phone during firmware upgrade. Ensure network connectivity is stable.

Specifications

Models: 8811, 8841, 8845, 8851, 8861, 8865.
Display: Backlit grayscale or color LCD, touch screen on 8845, 8851, 8865.
Audio: HD wideband audio (G.722), built-in speakerphone, acoustic echo cancellation.
Network: 10/100/1000 Mbps Ethernet switch, IEEE 802.3af/at PoE.
Wireless: Integrated Bluetooth 3.0+EDR (8865, 8861). Integrated 802.11a/b/g/n/ac (8865, 8851NR).
Protocols: SIP (Session Initiation Protocol), SCCP (Skinny Client Control Protocol).
Power Consumption: Max 6.9W (PoE Class 3).
Operating Temp: 32°F to 104°F (0°C to 40°C).

Controls and Settings

Access phone settings via the Settings button or web interface.

Front Panel: Handset, Display, Softkeys, Navigation cluster (4-way + Select), Volume rocker, Mute button, Headset button, Speakerphone button, Settings button.

Programmable Keys: Configure as line keys, speed dials, BLF (Busy Lamp Field), call park, etc.

Settings Menu: User Preferences (Ringtone, Screen Brightness, Contrast), Network Configuration (view IP, DHCP), Device Administration (reset, firmware info), Bluetooth (pair headset), Security (PIN lock).

Connecting Devices

Network: Ethernet to NETWORK port. PC: Ethernet to PC port. Headset: Wired to HEADSET port or pair Bluetooth headset.

Ensure phone is powered off or disconnected before making connections.
For Bluetooth: Navigate to Settings > Bluetooth > Discoverable, then pair with headset.
For Wi-Fi (supported models): Navigate to Settings > Network Configuration > Wi-Fi to join network.

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

Using Phone Features

Basic call handling and advanced features.

Make a Call: Lift handset or press Speakerphone/Headset, dial number, or press a speed dial key.
Answer a Call: Lift handset, press Speakerphone, Headset, or Answer softkey.
End a Call: Hang up handset or press EndCall softkey.
Hold/Resume: Press Hold softkey.
Transfer Call: Press Transfer, dial target number, press Transfer again.
Conference Call: Press Conference, dial first participant, press Conference again, dial next participant.
Voicemail: Press Messages button or Messages softkey to access voicemail.
Call History: Press the Navigation cluster to view missed, received, and placed calls.
Corporate Directory: Press Directories softkey to search company contacts.

WARNING! Do not use the phone with a wet hand or in a wet environment.

Accessibility Features

Hearing Aid Compatibility (HAC): Handset is HAC rated. Visual Alerts: Flashing LED for line status and missed calls. Audio Adjustments: Independent volume control for ringer, handset, speaker, headset. High-Contrast Display: Adjustable screen settings for improved visibility.

Care & Cleaning

Disconnect power before cleaning. Use a soft, dry, lint-free cloth. For stubborn marks, lightly dampen cloth with water. Do not use abrasive cleaners, solvents, or sprays directly on the phone.

CAUTION! Keep liquids away from the phone. Do not spray cleaners directly onto the display or casing.

Regulatory Information

FCC Part 15: Class A digital device; complies with limits for business use. ICES-003: Complies with Canadian EMI standards. UL/CSA Listed: Safety certified. For detailed regulatory compliance statements, visit www.cisco.com/go/telecompliance. Copyright © 2025 Cisco Systems, Inc. All rights reserved. For support, visit www.cisco.com/go/support or contact Cisco Technical Assistance Center (TAC).

Troubleshooting

Symptom	Possible Cause	Corrective Action
Phone does not power on	Power/PoE issue	Check Ethernet cable connection; verify switch provides PoE; try AC adapter.
No dial tone	Network/Registration	Check network cable; verify phone is registered with CUCM; restart phone.
Display is blank	Brightness setting/Power	Adjust screen brightness in Settings; check power connection.
Cannot hear caller/caller cannot hear you	Audio path/Volume	Check handset/headset connection; ensure Mute is off; adjust volume.
Bluetooth headset not connecting	Pairing/Battery	Ensure phone Bluetooth is on and discoverable; put headset in pairing mode; charge headset.
Poor audio quality	Network/Codec	Check network for packet loss/jitter; verify HD voice (G.722) is configured on CUCM.

Reset: Settings > Device Administration > Reset Settings (or factory reset via **#).

Service: Contact Cisco TAC or your network administrator. Do not attempt to repair internally.