Cisco 8800 Phone Manual

The Cisco 8800 Series IP Phones are high-quality business phones offering advanced audio technology, customizable features, and support for various communication protocols. These phones feature large color displays, programmable line keys, integrated Gigabit Ethernet switch, Power over Ethernet (PoE) support, and compatibility with multiple call control systems. 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: Large color display, Handset, Speakerphone, Programmable line/feature keys, Navigation cluster, Volume control, Headset port, Ethernet ports.

FeatureDescription
DisplayHigh-resolution color LCD with adjustable backlight
Audio QualityHD Voice with wideband audio support
Network PortsDual Gigabit Ethernet ports with integrated switch
Power OptionsPower over Ethernet (PoE) or AC adapter
Headset PortStandard RJ9 connector for wired headsets
Programmable KeysConfigurable line keys and feature buttons
SpeakerphoneFull-duplex speaker with echo cancellation
Security802.1X authentication, encrypted signaling
Protocol SupportSIP, SCCP, and other VoIP protocols
Expansion ModuleSupport for additional key modules

Installation

Unpack and inspect contents. Choose appropriate location near network outlet.

  1. Connect to network: Use Ethernet cable from switch to phone's NETWORK port.
  2. Connect computer: Use second Ethernet cable from phone's PC port to computer.
  3. Connect handset: Plug coiled handset cord into HANDSET port.
  4. Connect power: Use PoE or connect AC power adapter to DC IN port.
  5. Connect headset: Optional RJ9 headset connection.

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

First-Time Setup

Power on phone; follow initialization process.

  1. Network configuration: Phone obtains IP address via DHCP by default.
  2. Server registration: Phone contacts call control server for configuration.
  3. Extension assignment: Administrator assigns phone number/extension.
  4. User preferences: Set up personal directory, speed dials, ringtones.
  5. Test functionality: Make test call to verify audio quality.

CAUTION! Do not expose phone to liquids or extreme temperatures.

Specifications

Controls and Settings

Access settings via phone menu or web interface. Front Panel: LCD display, Soft keys, Navigation cluster, Volume rocker, Mute button, Headset button, Speakerphone button.

Menu Navigation: Use NAVIGATION cluster to scroll through options. Press SELECT to choose.

Basic Settings: Ringtone selection, Display brightness, Time/date format, Language selection. Network Settings: IP configuration, VLAN settings, QoS parameters. Audio Settings: Handset volume, Speaker volume, Headset gain, Audio codec preferences. Phone Features: Call forward, Do not disturb, Speed dials, Directory setup.

Connecting Devices

Network: Ethernet cable to NETWORK port. Computer: Ethernet cable to PC port. Headset: RJ9 connector to HEADSET port.

  1. Ensure phone is powered off before making connections.
  2. Use Cat5e or better Ethernet cables for network connections.
  3. Verify all connections are secure and properly seated.
  4. Power on phone and verify link lights on Ethernet ports.

Tip: Label cables for easy identification during maintenance.

Advanced Call Features

Supports enterprise calling features and call management.

  1. Making calls: Lift handset or press SPEAKERPHONE, dial number.
  2. Answering calls: Lift handset, press SPEAKERPHONE, or press ANSWER soft key.
  3. Call hold: Press HOLD button during active call.
  4. Call transfer: Press TRANSFER, dial destination, press TRANSFER again.
  5. Conference calls: Press CONFERENCE, dial participant, press CONFERENCE to join.
  6. Call forwarding: Access call forward settings via phone menu.
  7. Speed dial: Program frequently called numbers to speed dial keys.
  8. Directory: Access corporate and personal directories.
  9. Call history: View missed, received, and placed calls.

WARNING! Do not use phone during electrical storms for safety.

Accessibility Features

Visual Alerts: Flashing LED for incoming calls. Audio Adjustments: Adjustable volume controls for handset, speaker, ringer. Hearing Aid Compatible: TIA-1083 compliant. Large Text Display: Adjustable font sizes for improved readability.

Care & Cleaning

Disconnect power before cleaning. Use slightly damp cloth for exterior surfaces. Use compressed air to remove dust from ports and crevices.

CAUTION! Do not use abrasive cleaners or solvents. Avoid getting moisture in openings.

Regulatory Information

FCC Part 15: Class A digital device; complies with limits for business environments. UL/CSA certified for safety. CE marked for European compliance. RoHS compliant. Copyright © 2023 Cisco Systems, Inc. All rights reserved. For support, visit www.cisco.com or contact Cisco Technical Assistance Center.

Troubleshooting

SymptomPossible CauseCorrective Action
No display/powerPower source/connectionCheck PoE switch or power adapter; verify cable connections.
No network connectivityCable/DHCP issuesCheck Ethernet cables; verify switch port activity; check DHCP server.
Cannot make/receive callsRegistration issuesVerify phone registration with call server; check network connectivity.
Poor audio qualityNetwork/configurationCheck network QoS settings; verify audio codec configuration.
Display issuesBrightness settingsAdjust display brightness; check for screen timeout settings.
Button not respondingSoftware/firmwareReset phone; update to latest firmware version.

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

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

Cisco 8800 Phone Manual © - All Rights Reserved 2025