Mitel Model 6920 User Manual

The Mitel Model 6920 is a professional IP phone designed for business environments, featuring a high-resolution display, multiple line appearances, support for VoIP protocols, integrated Ethernet switch, headset connectivity, speakerphone, programmable keys, and advanced call handling features. 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, Ethernet ports, Headset jack, Programmable keys, Volume controls.

FeatureDescription
Ethernet LAN portFor network connection to VoIP system
Ethernet PC portFor daisy-chaining a computer
Headset jackFor hands-free communication
Handset connectorFor traditional telephone handset
AC power adapter portFor optional external power
Programmable keysFor speed dial, line appearances, feature access
MUTEMutes microphone
VOLUME UP/DOWNAdjusts speaker, handset, or ringer volume
NAVIGATION keysFor menu navigation and call control
POWERIndicates power/network status

Installation

Unpack and inspect contents. Place on stable surface.

  1. Connect to network: Use Ethernet cable to connect LAN port to network switch.
  2. Connect computer (optional): Use second Ethernet cable from PC port to computer.
  3. Connect handset: Plug handset cord into handset jack.
  4. Connect headset (optional): Plug into headset jack.
  5. Connect power (optional): Plug AC adapter into power port and outlet.

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

First-Time Setup

Phone will boot and attempt to obtain network configuration.

  1. Check network connection: Ensure LINK LED is lit.
  2. Obtain IP address: Phone will auto-configure via DHCP (default).
  3. Configure extension: Contact administrator for SIP credentials or auto-provisioning URL.
  4. Set language: In SETTINGS menu, select preferred language.
  5. Set date/time: Configure manually or via network time protocol.

CAUTION! Do not disconnect during boot process. Ensure proper ventilation.

Specifications

Controls and Settings

Access menu via NAVIGATION keys. Front Panel: MUTE, VOLUME, NAVIGATION, programmable keys.

Display Soft Keys: Context-sensitive for call functions (Answer, Transfer, Conference, Hold).

Settings: Network configuration, Audio settings (ringer, speaker, handset volume), Display settings (contrast, backlight), Time/Date, Language. Features: Call forward, Do not disturb, Speed dial programming, Ring tones.

Connecting Devices

Network: Ethernet to switch. Computer: Daisy-chain via PC port. Headset: Standard 3.5mm jack.

  1. Ensure phone is powered off before connecting cables.
  2. Connect LAN cable to network infrastructure.
  3. Connect handset and headset as needed.
  4. Power on phone and verify network connection.

Tip: Use quality Ethernet cables for reliable connectivity.

Advanced Call Features

Supports standard and advanced telephony features.

  1. Make call: Lift handset or press SPEAKER, dial number.
  2. Answer call: Lift handset, press SPEAKER, or press ANSWER soft key.
  3. Hold: Press HOLD button during active call.
  4. Transfer: Press TRANSFER, dial target number, press TRANSFER again.
  5. Conference: Press CONFERENCE, dial participant, press CONFERENCE to join.
  6. Call forward: Configure via menu or feature code.
  7. Do not disturb: Activate via menu or programmable key.
  8. Speed dial: Program frequently dialed numbers to programmable keys.

WARNING! Emergency calls may require special configuration. Verify with administrator.

Accessibility Features

Visual alerts: Flashing LED for incoming calls. Audio adjustments: Independent volume controls for ringer, speaker, handset. TTY compatibility: When configured with appropriate interface.

Care & Cleaning

Unplug from power before cleaning. Use slightly damp cloth for exterior; do not use liquids directly on phone.

CAUTION! Do not use abrasive cleaners or solvents. Keep liquids away from openings.

Regulatory Information

FCC Part 15: Class A digital device; complies with limits for business environments. CE marked for European compliance. Copyright © Mitel Networks Corporation. For support, visit www.mitel.com or contact authorized Mitel partner.

Troubleshooting

SymptomPossible CauseCorrective Action
No power/no displayPower source/connectionCheck PoE switch or AC adapter connection; verify cable.
No network connectionCable/DHCPCheck Ethernet cable; verify LINK LED; check DHCP server.
No dial toneConfigurationVerify SIP registration; contact administrator.
Poor audio qualityNetwork/configurationCheck network for packet loss; verify audio codec settings.
Keys not respondingSoftwareReset phone to factory defaults via menu (admin password required).

Reset: Menu > Settings > System > Reset to Factory Defaults.

Service: Contact authorized Mitel service provider or visit www.mitel.com/support.

Mitel Model 6920 User Manual © - All Rights Reserved 2025