Mitel 6920 IP Phone User Manual

The Mitel 6920 IP Phone is a business-grade VoIP telephone featuring a high-resolution graphical display, programmable line/feature keys, integrated Gigabit Ethernet switch, support for Power over Ethernet (PoE), wideband audio, 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 to Network 7. Basic Call Handling 8. Advanced Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Graphical LCD display, Handset, Programmable keys, Message Waiting Indicator, Navigation cluster, Volume keys, Headset port.

Feature	Description
Graphical Display	High-contrast backlit LCD for call information and menus
Programmable Keys	12 configurable keys for lines, speed dial, and features
Gigabit Ethernet	Integrated 10/100/1000 Mbps switch with PoE support
Wideband Audio	HD voice quality for superior sound
Headset Port	RJ9 connector for headset compatibility
Message Waiting Indicator	LED for visual voicemail notification
Navigation Cluster	4-way navigation and selection keys
Volume Keys	Dedicated keys for handset, speaker, and ringer volume
MUTE	Mutes the microphone during a call
POWER	PoE or optional AC adapter power

Installation

Unpack and inspect contents. Place on stable desk surface.

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

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

First-Time Setup

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

Check Network Registration: Observe display for IP address and registration status.
Configure Extension/Line: Enter SIP credentials or extension number as provided by administrator.
Set Language/Time: Use Options menu to set display language and time zone.
Test Call: Lift handset and dial another extension to verify audio.

CAUTION! Do not place phone in areas with extreme temperature or humidity.

Specifications

Display: 132 x 64 pixel graphical LCD with backlight.
Network: 10/100/1000 Mbps Ethernet, IEEE 802.3af PoE.
Audio: Wideband (HD) voice, G.711, G.729 codecs.
Ports: Gigabit LAN, PC port, RJ9 headset, Handset.
Programmable Keys: 12 keys with dual-color LEDs.
Protocols: SIP, TCP/IP, UDP, RTP, DHCP, DNS.
Power Source: IEEE 802.3af PoE or 48V DC adapter.
Operating Temp: 32°F to 104°F (0°C to 40°C).

Controls and Settings

Access menus via NAVIGATION keys and SELECT button. Front Panel: MESSAGE key, NAVIGATION cluster, Volume keys, MUTE, HEADSET, SPEAKER.

Programmable Keys: Can be set as line keys, speed dial, call forward, do not disturb, etc.

Settings Menu: Options for Network, Audio (ringer, handset, speaker volume), Display (contrast, backlight time), Time & Date, Language. Admin/Advanced: SIP configuration, firmware upgrade, network stats (accessible via web interface).

Connecting to Network

LAN: Connect Ethernet cable from network switch to phone's LAN port. PC: Connect computer to phone's PC port for pass-through networking.

Ensure network switch provides PoE or connect AC adapter.
Verify cable is Cat5e or better for Gigabit speeds.
Phone will obtain IP via DHCP by default.
Check registration status on display or via web interface.

Tip: Use the web interface (http://[phone-IP]) for advanced configuration.

Basic Call Handling

Supports standard telephony features.

Make Call: Lift handset or press SPEAKER, dial number, press DIAL or wait.
Answer Call: Lift handset, press SPEAKER, or press flashing line key.
End Call: Hang up handset or press SPEAKER/OFF.
Hold: Press HOLD key during active call.
Transfer: Press TRANSFER, dial target, announce, press TRANSFER again.
Conference: Press CONFERENCE, dial first party, press CONFERENCE again, dial second party.
Voicemail: Press MESSAGE key or dial voicemail access number.
Adjust Volume: Use Volume keys during call for handset/speaker, idle for ringer.

WARNING! Do not use excessive force on keys or handset cord.

Advanced Features

Programmable Keys: Configure via web interface or phone menu for speed dial, BLF, call park. Do Not Disturb: Activate via DND key or menu to silence ringer. Call Forwarding: Set to forward calls to another number. Web Interface: Access for detailed configuration, status, and firmware updates.

Care & Cleaning

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

CAUTION! Avoid liquids entering vents or ports. Keep away from direct heat sources.

Regulatory Information

FCC Part 15: Class A digital device; complies with limits for business environments. CE marked. For support, visit www.mitel.com or contact your authorized Mitel dealer. This product may be subject to local telecommunications regulations.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power/no display	Power source/cable	Check PoE switch or AC adapter; verify Ethernet cable is connected securely.
No dial tone	Network/SIP registration	Check network connection; verify SIP credentials and server address.
One-way/no audio	Network/audio settings	Check firewall/RTP settings; verify handset/headset is plugged in fully.
Cannot access web interface	IP address/firewall	Verify phone's IP address; ensure PC is on same subnet; disable firewall temporarily.
Keys not responding	Phone lock/firmware	Check for key lock feature; consider rebooting phone or upgrading firmware.

Reset: Options > System > Reset to factory defaults if needed.

Service: Contact your system administrator or Mitel support.