Mitel IP Phone 6865i Manual

The Mitel IP Phone 6865i is a feature-rich SIP-based desk phone designed for business environments. It offers high-definition audio, a large color display, programmable keys, Power over Ethernet (PoE) support, and extensive telephony features. Below are key sections covering safety, 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 to Network 7. Basic Call Operations 8. Advanced Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Large color LCD display, Handset, Speakerphone, Programmable Line/Feature Keys, Navigation Cluster, Ethernet Ports.

Feature	Description
Display	3.5-inch color LCD with backlight
Audio	HD Voice, Wideband Audio support
Network	Dual 10/100/1000 Mbps Ethernet ports with PoE (802.3af)
Programmable Keys	Up to 12 programmable keys for lines, speed dial, features
Headset Port	3.5mm jack for headset connectivity
Power	PoE or optional AC power adapter
HANDSFREE	Speakerphone button
MUTE	Mutes microphone
NAVIGATION CLUSTER	4-way navigation with OK key
VOLUME	Rockers for handset, speaker, ringer volume

Installation

Unpack and inspect contents. Place phone on stable surface near network outlet.

Connect to Network: Plug Ethernet cable from switch/router into LAN port on phone.
Connect PC (Optional): Use second Ethernet port to connect your computer.
Connect Handset: Plug coiled handset cord into handset jack.
Apply Power: Use PoE from switch or connect optional AC power adapter.

WARNING! Use only approved power adapter. Ensure cables are routed to prevent tripping hazards.

First-Time Setup

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

Check Network: Verify IP address is displayed on screen or via Settings > Status.
Configure SIP Account: Enter SIP server, username, password via web interface or phone menu.
Set Language: In Settings > User Preferences > Language.
Set Time & Date: Configure via network (NTP) or manually.
Program Keys: Assign line appearances or features to programmable keys.

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

Specifications

Display: 3.5-inch color TFT, 320 x 240 pixels.
Audio Codecs: G.711, G.722, G.729, Opus.
Network Protocols: SIP (RFC 3261), TCP/IP, UDP, RTP, RTCP, DHCP, DNS, HTTP/HTTPS.
Ports: Two 10/100/1000 Mbps Ethernet (LAN, PC), 3.5mm headset, Handset.
Power: IEEE 802.3af PoE or 5V DC power adapter.
Programmable Keys: 12 physical keys with dual-color LEDs.
Supported Features: Call Hold, Transfer, Conference, Forward, Voicemail, Directory.
Operating Temp: 0°C to 40°C (32°F to 104°F).

Controls and Settings

Access menu via NAVIGATION CLUSTER or dedicated buttons. Front Buttons: HANDSFREE, MUTE, NAVIGATION, VOLUME, PROGRAMMABLE KEYS.

Softkeys: Context-sensitive functions shown on display. Menu Navigation: Use arrow keys to browse Settings (Network, Audio, Features). Audio Settings: Adjust handset, speaker, ringer volume and tone. Network Settings: Configure IP, VLAN, QoS. Feature Settings: Call Forward, DND, Ring Tones.

Connecting to Network

Primary connection via Ethernet LAN port. Optional PC pass-through via second port.

Ensure network switch provides PoE or have power adapter ready.
Connect Ethernet cable from network to phone's LAN port.
For PC connection, use cable from phone's PC port to computer's Ethernet port.
Power on phone; check for boot-up messages and IP address on screen.

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

Basic Call Operations

Making, answering, and managing calls.

Make Call: Lift handset or press HANDSFREE, dial number, or use directory/speed dial.
Answer Call: Lift handset, press HANDSFREE, or press corresponding line key.
End Call: Hang up handset or press ENDCALL softkey.
Hold: Press HOLD button during active call.
Transfer: Press TRANSFER, dial target number, press TRANSFER again to complete.
Conference: Press CONFERENCE, dial first party, connect, repeat for additional parties.
Mute: Press MUTE button to toggle microphone on/off.
Volume Adjustment: Use VOLUME rockers during a call or while idle.

WARNING! Do not expose phone to liquids. Keep vents clear for proper cooling.

Advanced Features

Programmable Keys: Assign to line appearances, speed dials, BLF, call features. Directory: Store contacts locally or access corporate LDAP. Call Forward: Enable/disable via menu or feature code. Do Not Disturb (DND): Silence rings with visual indicator. Headset Mode: Toggle between handset and headset. Web Configuration: Access advanced settings via built-in web server.

Care & Cleaning

Disconnect power before cleaning. Use slightly damp, lint-free cloth. Do not use abrasive cleaners or sprays.

CAUTION! Avoid getting moisture into openings. Never submerge any part of the phone.

Regulatory Information

FCC Part 15: Class A digital device; complies with limits for business use. CE marked. ICES-003. This device may not cause harmful interference and must accept any interference received. For support, visit www.mitel.com or contact your authorized Mitel partner.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power/display	Power source	Check PoE switch or power adapter connection; try different cable.
No network registration	Network/SIP config	Verify IP address; check SIP credentials and server address; restart phone.
No audio on calls	Volume/network	Adjust volume; check network QoS settings for RTP; verify codec configuration.
Keys not responding	Software	Restart phone; check for firmware updates via web interface.
Poor call quality	Network congestion	Check network latency/jitter; ensure proper VLAN and QoS prioritization for SIP/RTP.

Reset: Press and hold 4 and 7 while powering on for factory reset (erases all settings).

Service: Contact your system administrator or Mitel support.