Product Overview
The Mitel MiVoice 6910 IP Phone is designed for users requiring a modern and reliable desk phone for standard communication needs. This business-grade IP desk phone delivers exceptional quality and essential telephony features. It is equipped with dual Gigabit Ethernet ports and a large 3.4-inch LCD display featuring soft white backlighting and large fonts for enhanced readability in various lighting conditions. The phone also includes eight programmable keys for customized functionality and supports native DHSG/EHS headsets.
Phone Components

Image: Front view of the Mitel MiVoice 6910 IP Phone, highlighting its ergonomic handset, large LCD display, numeric keypad, and dedicated function buttons.
Setup Guide
- Connect the Handset: Plug the coiled cord from the handset into the handset port on the left side of the phone base.
- Connect to Network: Connect an Ethernet cable from your network switch or router to the LAN port on the back of the phone. If your network supports Power over Ethernet (PoE), the phone will power on automatically.
- Connect Power (if no PoE): If PoE is not available, connect an appropriate AC power adapter (sold separately) to the power port on the back of the phone and plug it into a power outlet.
- Initial Boot-up: The phone will power on and begin its boot sequence. This may take a few moments as it connects to the network and registers with your communication system.
Operating Instructions
Basic Call Functions
- Making a Call: Lift the handset or press the Speakerphone button. Dial the desired number using the numeric keypad. Press the Dial soft key or wait for the call to connect.
- Answering a Call: When the phone rings, lift the handset or press the Speakerphone button.
- Ending a Call: Replace the handset in the cradle or press the End Call soft key.
Programmable Keys
The Mitel 6910 IP Phone features eight programmable keys located on either side of the display. These keys can be configured for various functions such as speed dials, line appearances, or feature access. Consult your system administrator for specific programming details.
Display Navigation
The 3.4-inch LCD display shows call information, menu options, and status indicators. Use the navigation cluster (up, down, left, right, and select buttons) below the display to scroll through menus and make selections.
Audio Controls
- Volume Control: Use the volume up and down buttons (located below the handset) to adjust the handset, speakerphone, or ringer volume.
- Mute: Press the Mute button (microphone icon) to mute your microphone during a call. Press again to unmute.
- Speakerphone: Press the Speakerphone button (speaker icon) to toggle between handset and speakerphone mode.
Maintenance
- Cleaning: Use a soft, damp cloth to clean the phone's surface. Avoid abrasive cleaners or solvents. Do not spray liquids directly onto the phone.
- Environmental Conditions: Keep the phone away from excessive heat, direct sunlight, and moisture. Ensure proper ventilation around the device.
- Cord Management: Ensure all cords are neatly arranged and not pinched or tangled to prevent damage.
Troubleshooting
| Issue | Possible Cause | Solution |
|---|---|---|
| Phone does not power on. | No power from Ethernet (PoE) or power adapter. | Verify Ethernet cable connection to a PoE-enabled port or ensure power adapter is securely plugged in. |
| No dial tone. | Phone not registered with the system; network issue. | Check network cable. Restart the phone. Contact your IT administrator if the issue persists. |
| Cannot hear caller / Caller cannot hear me. | Volume too low; Mute activated; faulty handset/headset. | Adjust volume. Check Mute button. Test with speakerphone or another handset/headset if available. |
| Display is blank or unreadable. | Power issue; display settings. | Check power connection. Adjust display brightness if accessible via menu. |
| Keys are unresponsive. | Temporary software glitch. | Restart the phone by disconnecting and reconnecting power. |
Technical Specifications
| Feature | Detail |
|---|---|
| Brand | Mitel |
| Model | MiVoice 6910 (50006766) |
| Display | 3.4-inch LCD with soft white backlighting |
| Ethernet Ports | Dual Gigabit Ethernet ports |
| Programmable Keys | 8 |
| Headset Support | Native DHSG/EHS |
| Color | Black |
| Item Weight | 2.44 pounds |
| Package Dimensions | 11 x 9.5 x 2.4 inches |
| Telephone Type | Corded |
| Power Source | Corded Electric (PoE or optional AC adapter) |
| Conference Call Capability | 3-way |
Support Information
For technical support, warranty information, or advanced configurations, please contact your Mitel service provider or IT administrator. You can also visit the official Mitel website for additional resources and documentation.





