Mitel Model 6940 User Manual

The Mitel Model 6940 is a professional IP phone designed for business environments, featuring a high-resolution color display, support for multiple lines, advanced call handling features, integrated Gigabit Ethernet, Power over Ethernet (PoE) capability, and compatibility with Mitel MiVoice Business and other SIP-based platforms. 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 color display, programmable soft keys, integrated speakerphone, headset port, Ethernet ports, and handset.

FeatureDescription
DisplayHigh-resolution color LCD with adjustable contrast
Programmable KeysConfigurable for line appearances, speed dials, and features
SpeakerphoneFull-duplex for hands-free conversations
Headset Port3.5mm jack for wired headset connection
Ethernet PortsTwo 10/100/1000 Mbps ports with PoE support
HandsetNoise-canceling microphone and hearing aid compatible
Volume ControlsSeparate controls for handset, speaker, and ringer
Message Waiting IndicatorLED for visual voicemail notification
MUTEMutes microphone during calls
POWERPowered via PoE or optional AC adapter

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 PC (optional): Use second Ethernet port to daisy-chain a computer.
  3. Connect handset: Plug handset cord into dedicated jack.
  4. Connect headset (optional): Plug into 3.5mm headset jack.
  5. Power on: Phone will boot via PoE or connect AC adapter.

WARNING! Use only approved Power over Ethernet sources or AC adapter. Ensure cables are securely connected.

First-Time Setup

Power on phone; follow on-screen prompts.

  1. Network configuration: Phone may obtain IP automatically via DHCP or require manual setup.
  2. Server configuration: Enter IP address of Mitel MiVoice Business or SIP server.
  3. Extension registration: Enter extension number and authentication credentials.
  4. Personalize settings: Set language, time zone, ring tones, and display preferences.
  5. Test call: Place a test call to verify configuration.

CAUTION! Ensure network parameters are correct for proper registration.

Specifications

Controls and Settings

Access settings via phone menu or web interface. Front Panel: Navigation keys, programmable soft keys, volume controls, MUTE, speakerphone.

Menu Navigation: Use arrow keys to navigate, OK to select, BACK to exit.

Basic Settings: Language, time/date, ring tone selection, display contrast. Call Settings: Forwarding rules, speed dials, do not disturb. Network Settings: IP configuration, VLAN, QoS. Advanced: Firmware upgrade, reset to defaults.

Connecting Devices

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

  1. Turn off devices before connecting cables.
  2. Use Cat5e or higher Ethernet cables for network connections.
  3. For PoE, ensure switch provides adequate power.
  4. Select audio path via phone settings (handset, headset, speaker).

Tip: Label cables for easy identification during troubleshooting.

Advanced Call Features

Supports standard and advanced telephony features.

  1. Make call: Lift handset or press speakerphone, dial number.
  2. Answer call: Lift handset, press speakerphone, or press answer soft key.
  3. Hold: Press HOLD button during active call.
  4. Transfer: Press TRANSFER, dial target, complete transfer.
  5. Conference: Press CONFERENCE, dial participant, merge calls.
  6. Call Forward: Activate via menu or feature code.
  7. Do Not Disturb: Enable to silence ringer and send calls to voicemail.
  8. Park Call: Park call for retrieval from another extension.

WARNING! Ensure proper call handling to avoid dropped calls.

Accessibility Features

Hearing Aid Compatible: Handset supports TIA-1083 standard. Visual Alerts: Flashing LED for incoming calls. Adjustable Volume: Separate controls for ringer, handset, speaker. Large Font Option: Available in display settings.

Care & Cleaning

Unplug from power before cleaning. Use slightly damp, lint-free cloth. Do not use abrasive cleaners or solvents.

CAUTION! Avoid moisture entering openings. Keep away from extreme temperatures.

Regulatory Information

FCC Part 15: Class A digital device; complies with limits for business use. CE marked for European market. ICES-003 compliant for Canada. Copyright © Mitel Networks Corporation. All trademarks are property of their respective owners. For support, visit www.mitel.com or contact your authorized Mitel dealer.

Troubleshooting

SymptomPossible CauseCorrective Action
No powerPoE/Power adapterCheck Ethernet cable/PoE switch; verify AC adapter connection.
No network connectivityCable/configCheck cable connections; verify IP settings; restart phone.
No dial toneRegistration/lineCheck server connectivity; verify extension registration.
Poor audio qualityNetwork/deviceCheck network QoS settings; test with handset and headset.
Display issuesSettings/powerAdjust contrast; reboot phone; check for firmware updates.

Reset: Menu > Settings > System > Reset to factory defaults if needed.

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

Mitel Model 6940 User Manual © - All Rights Reserved 2025