Mitel 6865 Phone Manual

The Mitel 6865 is a feature-rich SIP desk phone designed for business environments, offering high-quality audio, a large color display, programmable keys, and support for advanced telephony features. Below are key sections covering features, installation, configuration, 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: Large color LCD display, Handset, Speakerphone, Programmable keys, Ethernet ports, Headset jack.

FeatureDescription
Display3.5-inch color LCD with backlight
AudioHD Voice, wideband audio support
NetworkDual 10/100/1000 Mbps Ethernet ports
Programmable KeysUp to 24 configurable line/feature keys
Headset SupportIntegrated headset jack (EHS compatible)
Power OptionsPower over Ethernet (PoE) or AC adapter
ConferenceBuilt-in 3-party conference capability
SecuritySecure Boot, encrypted configuration
CodecsG.711, G.722, G.729, Opus
ProtocolsSIP, LLDP-MED, 802.1X

Installation

Unpack and inspect contents. Place on stable surface.

  1. Connect network: Use Ethernet cable from switch to LAN port on phone.
  2. Connect computer: Use second Ethernet cable from PC port to computer.
  3. Connect handset: Plug handset cord into dedicated jack.
  4. Connect power: Use PoE or plug AC adapter into power jack.

WARNING! Use only approved power adapter. Ensure proper ventilation around device.

First-Time Setup

Power on phone; follow on-screen prompts.

  1. Network configuration: Phone will obtain IP via DHCP automatically.
  2. Server configuration: Enter SIP server address provided by administrator.
  3. Account registration: Enter extension number and authentication credentials.
  4. Verify registration: Check for registered status on display.

CAUTION! Handle handset cord carefully to avoid damage to connectors.

Specifications

Controls and Settings

Access menu via dedicated MENU button. Navigation: 4-way navigation cluster with center SELECT button.

Front Panel: Handset, Speakerphone, Mute, Headset, Volume keys, Programmable keys.

Basic Settings: Language, Time/Date, Display contrast, Ring tones. Network: IP configuration, VLAN, QoS. Account: SIP settings, registration, codec selection. Features: Call forwarding, DND, speed dials. Security: Password, encrypted communication.

Connecting Devices

Network: LAN port to switch, PC port to computer. Headset: RJ9 connector. Optional: EHS adapter for wireless headset.

  1. Turn off phone before connecting additional devices.
  2. Match cables to appropriate ports.
  3. For PoE, ensure switch provides adequate power.

Tip: Use Cat5e or better Ethernet cables for optimal performance.

Advanced Features

Supports advanced business telephony features.

  1. Conference calls: Press CONFERENCE button during call to add third party.
  2. Call transfer: Press TRANSFER, enter destination number.
  3. Call forwarding: Configure in menu or via feature codes.
  4. Speed dial: Program frequently dialed numbers to programmable keys.
  5. Message waiting: Visual indicator on display and LED.
  6. Directory: Access corporate and personal directories.
  7. Bluetooth: Optional Bluetooth adapter for mobile integration.
  8. XML applications: Support for custom XML applications on display.

WARNING! Do not use liquid cleaners on display or keypad.

Accessibility Features

Hearing Aid Compatible: Meets FCC requirements. Visual Alerts: Flashing LED for incoming calls. Adjustable Volume: Separate controls for handset, speaker, ringer. High-Contrast Display: Adjustable contrast settings.

Care & Cleaning

Unplug before cleaning. Use slightly damp cloth for exterior; dry cloth for display.

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

Regulatory Information

FCC Part 15: Class A digital device; complies with limits for business use. CE marked for European market. RCM for Australia/New Zealand. Copyright © Mitel Networks Corporation. For support, visit www.mitel.com or contact authorized Mitel partner.

Troubleshooting

SymptomPossible CauseCorrective Action
No displayPower/connectionCheck power source; verify PoE or AC adapter connection.
No dial toneNetwork/registrationVerify network connection; check SIP registration status.
Poor audio qualityNetwork/configurationCheck QoS settings; verify codec configuration.
Keys not respondingSoftware/firmwareReset phone; upgrade firmware if available.
Cannot make callsAccount configurationVerify SIP credentials; check with system administrator.

Reset: Press and hold # key during boot for factory reset.

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

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