Mitel Phone Manual 6865i

The Mitel 6865i is a SIP-based, high-performance IP phone designed for business environments. It features a large color display, support for multiple lines, integrated Gigabit Ethernet, PoE compatibility, HD audio, and extensive telephony 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 Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Large color LCD, programmable soft keys, handset, Ethernet ports, headset jack.

Feature	Description
Display	Large color graphical LCD with backlight
Network Ports	Dual Gigabit Ethernet (LAN/PoE and PC)
Audio	HD handset and speakerphone, wideband audio support
Lines/Keys	Multiple line support with programmable soft keys
Headset Jack	For hands-free operation (optional headset)
Power	802.3af PoE or external power adapter
Protocols	SIP, LLDP-MED, IEEE 802.1x
Security	Secure boot, encrypted configuration files
Programmable Keys	Speed dial, BLF, call forwarding, etc.
Volume Controls	Independent controls for handset, speaker, ringer

Installation

Unpack and inspect contents. Place phone on stable surface.

Connect Network: Use Ethernet cable to connect LAN/PoE port to network switch.
Connect PC (optional): Use second Ethernet port to daisy-chain a computer.
Connect Handset: Plug coiled handset cord into handset jack.
Power: Use PoE from switch or connect external power adapter to DC jack.

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

First-Time Setup

Power on phone; follow on-screen prompts.

Network Boot: Phone will attempt to obtain IP address via DHCP.
Provisioning: Phone will contact provisioning server for configuration (if configured).
Check Status: Press Settings key, navigate to Status to verify IP address and registration.
Basic Call Test: Lift handset and dial extension to test audio.

CAUTION! Do not place phone near heat sources or in direct sunlight.

Specifications

Display: 3.5-inch color graphical LCD (320 x 240 pixels).
Network: Dual 10/100/1000 Mbps Ethernet ports, IEEE 802.3af PoE.
Audio Codecs: G.711, G.722, G.729, Opus.
Telephony Features: Hold, transfer, conference, forward, voicemail.
Programmable Keys: Up to 8 soft keys, configurable via web interface.
Headset: EHS support for compatible wireless headsets.
Power Source: 802.3af PoE or 12V DC power adapter.
Operating Temp: 0°C to 40°C (32°F to 104°F).

Controls and Settings

Access menu via Settings key. Front Panel: Handset, Speakerphone, Mute, Volume, Navigation keys, Programmable soft keys.

Basic Operations: Lift handset or press Speakerphone to get dial tone. Use keypad to dial. Press Hold to place call on hold. Use Volume keys to adjust ringer, speaker, handset volume.

Settings Menu: Network (IP settings), Preferences (ringer tones, display contrast), Advanced (firmware upgrade, factory reset). Web Interface: Access via phone's IP address for advanced configuration.

Connecting Devices

Network: Ethernet cable to LAN port. PC: Daisy-chain via PC port. Headset: Plug into headset jack.

Turn off phone before connecting cables if using external power.
Match cables to ports (RJ45 to Ethernet, RJ9 to handset).
For headset, use compatible 2.5mm or USB headset (if supported).

Tip: Use quality CAT5e or higher cables for Gigabit performance.

Advanced Features

Supports advanced call handling and network features.

Call Transfer: During call, press Transfer, dial target, press Transfer again.
Conference: During call, press Conference, dial second party, press Conference again.
Forwarding: Press Forward key or configure via menu/web.
BLF (Busy Lamp Field): Programmable key shows status of another extension.
Voicemail: Press Messages key to access voicemail (if configured).
Web Interface: Access advanced settings, upload firmware, view logs.

WARNING! Do not modify advanced network settings without administrator knowledge.

Accessibility Features

Visual Alerts: Flashing LED for incoming calls. Audio: Adjustable ringer volume and tone. Display: Adjustable contrast and backlight timeout.

Care & Cleaning

Unplug power before cleaning. Use slightly damp cloth for exterior; do not use liquids or aerosols on display or keys.

CAUTION! Do not spray liquids directly on phone; avoid abrasive cleaners.

Regulatory Information

FCC Part 15: Class A digital device; complies with limits for business use. CE marked. For support, visit www.mitel.com or contact your authorized Mitel dealer.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No display/power	Power/PoE issue	Check Ethernet/PoE connection; try external power adapter.
No dial tone	Network/registration	Check network cable; verify IP address and SIP registration.
One-way/no audio	Network/audio settings	Check firewall/NAT settings; verify audio codec configuration.
Keys not responding	Firmware/configuration	Reboot phone; check for firmware upgrade; factory reset if needed.
Poor call quality	Network congestion	Check network QoS settings; ensure sufficient bandwidth.

Reset: Settings > Advanced > Factory Reset (use with caution).

Service: Contact your system administrator or Mitel support.