Mitel 6920 IP Phone Manual

The Mitel 6920 IP Phone is a business-grade VoIP desk phone featuring a high-resolution display, programmable line/feature keys, support for multiple lines, integrated Gigabit Ethernet switch, PoE (Power over Ethernet) capability, HD voice quality, headset compatibility, and advanced telephony features. It is designed for use with Mitel MiVoice Business and other compatible IP PBX 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 Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: High-resolution backlit LCD display, Handset with cord, Ethernet ports (LAN and PC), Headset jack, Programmable keys, Volume controls, Navigation cluster.

FeatureDescription
DisplayHigh-resolution backlit LCD for call information and menus
Line/Feature KeysProgrammable keys for lines, speed dial, and features
Ethernet PortsDual 10/100/1000 Mbps ports with integrated switch
Power over Ethernet (PoE)IEEE 802.3af compliant for single cable power and data
HD VoiceWideband audio support for superior call clarity
Headset Port3.5mm jack for headset connectivity
Handsfree SpeakerphoneFull-duplex speakerphone with echo cancellation
Volume ControlsSeparate controls for handset, speaker, and ringer
Navigation ClusterDirectional keys and soft keys for menu navigation
Message Waiting IndicatorLED for visual voicemail notification

Installation

Unpack and inspect contents. Place phone on stable, flat surface.

  1. Connect to Network: Plug Ethernet cable from network switch/router into LAN port.
  2. Connect PC (optional): Use second Ethernet cable from PC port to computer.
  3. Connect Handset: Plug handset cord into dedicated jack.
  4. Power the Phone: Use PoE from switch or connect optional power adapter to DC port.
  5. Connect Headset (optional): Plug into 3.5mm headset jack.

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

First-Time Setup

Phone will boot and attempt to obtain network configuration via DHCP.

  1. Check Registration: Observe display for IP address and registration status with PBX.
  2. Configure Extension: If auto-provisioning fails, enter IP address via keypad to access web interface or input settings manually.
  3. Set Language: Press MENU, navigate to Settings > User Preferences > Language.
  4. Set Date/Time: Configure via menu or ensure NTP server is provided by PBX.
  5. Program Keys: Assign line appearances, speed dials, or features via MENU > Keys.

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

Specifications

Controls and Settings

Access menus via MENU button or soft keys under display.

Basic Controls: Handset, Speakerphone, Mute, Hold, Volume Up/Down, Navigation arrows, OK, Cancel, Headset key.

Menu Settings: User Preferences (Language, Ring Tones, Display Contrast), Call Settings (Forwarding, Do Not Disturb), Network Settings (IP Configuration), Key Programming (Line Assignments, Speed Dials), System Information (Firmware, MAC Address).

Web Interface: Access via IP address for advanced configuration (admin credentials required).

Connecting Devices

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

  1. Ensure phone and network equipment are powered off before connecting cables.
  2. Use standard CAT5e or higher Ethernet cables.
  3. For PoE, verify switch provides 802.3af power.
  4. Select audio path: Handset, Speakerphone, or Headset via dedicated buttons.

Tip: Label cables for easy identification during maintenance.

Advanced Features

Supports advanced call handling and productivity features.

  1. Multiple Lines: Answer/hold calls on multiple line appearances.
  2. Call Forwarding: Set via menu or feature codes.
  3. Conferencing: Establish multi-party conference calls.
  4. Transfer: Blind or attended transfer of calls.
  5. Speed Dial: Program keys for one-touch dialing.
  6. Do Not Disturb: Activate to silence ringer and send calls to voicemail.
  7. Message Waiting: Visual LED and on-screen indicator for voicemail.
  8. Web Interface: Configure network settings, firmware updates, key programming.

WARNING! Consult system administrator before changing network or PBX settings.

Accessibility Features

Adjustable display contrast and backlight timeout. Ringer volume control and selectable ring tones. Hearing aid compatible handset (HAC). Visual message waiting indicator.

Care & Cleaning

Disconnect power before cleaning. Use soft, dry cloth for display and housing. For stubborn marks, dampen cloth with water only. Do not use abrasive cleaners or solvents.

CAUTION! Never spray liquids directly onto phone. Avoid extreme temperatures and moisture.

Regulatory Information

FCC Part 15: Class A digital device. Complies with Canadian ICES-003. This device may not cause harmful interference and must accept any interference received. Contains transmitter module FCC ID: [To be filled by manufacturer]. For compliance information, visit www.mitel.com. Copyright © Mitel Networks Corporation. All trademarks are property of their respective owners.

Troubleshooting

SymptomPossible CauseCorrective Action
No power/display blankPower sourceCheck PoE switch or power adapter connection; verify cable.
No network registrationNetwork/PBX configCheck Ethernet cable; verify DHCP is enabled; confirm PBX IP address.
No dial toneLine configurationCheck extension registration status; verify line key is programmed.
Poor audio qualityNetwork/deviceCheck for network congestion; verify codec settings; test with handset and headset.
Keys not respondingPhone lock/firmwareCheck if key lock is enabled; restart phone; consider firmware update.

Reset: To reset to factory defaults, press and hold # and 7 during power-up (check admin guide).

Support: Contact system administrator or visit support.mitel.com.

Mitel 6920 IP Phone Manual © - All Rights Reserved 2025