Mitel Phone Manual IP480G

The Mitel IP480G is a feature-rich IP desk phone designed for business communications, offering high-quality audio, a large graphical display, support for multiple lines and call appearances, programmable keys, headset compatibility, Power over Ethernet (PoE), and integration with Mitel communication platforms. 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 Devices 7. Advanced Call Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Large backlit graphical display, Handset with cord, Programmable feature keys, Volume controls, Headset jack, Ethernet ports (LAN and PC), Power adapter port.

Feature	Description
Graphical Display	High-contrast screen for call information, menus, and status
Programmable Keys	Configurable for speed dial, call features, and line appearances
Handset	Full-duplex speakerphone with noise cancellation
Headset Port	3.5mm jack for headset connectivity (optional)
Ethernet Ports	Two 10/100 Mbps ports for network and PC pass-through
Power over Ethernet (PoE)	IEEE 802.3af compliant; reduces need for power adapter
Volume Controls	Separate controls for handset, speaker, and ringer
Message Waiting Indicator	LED for visual voicemail notification
Mute	Mutes microphone during calls
Hold	Places active call on hold

Installation

Unpack and inspect contents. Place phone on stable, flat surface.

Connect to network: Use Ethernet cable from switch/router to LAN port on phone.
Connect PC (optional): Use second Ethernet cable from PC port on phone to computer.
Power the phone: Use Power over Ethernet (PoE) or connect the included power adapter to the DC port.
Connect handset: Plug coiled handset cord into handset jack.
Connect headset (optional): Plug into 3.5mm headset jack.

WARNING! Use only approved power adapter. Ensure cables are securely connected to avoid disconnection.

First-Time Setup

Power on phone; follow on-screen prompts and configuration from your system administrator.

Network registration: Phone will attempt to obtain IP address via DHCP and register with IP PBX.
Configure basic settings: Use phone menu or web interface to set language, time, and date.
Program keys: Assign line appearances, speed dial numbers, or feature keys as needed.
Test audio: Make a test call to verify handset, speakerphone, and headset operation.

CAUTION! Do not expose phone to liquids or extreme temperatures. Keep ventilation openings clear.

Specifications

Display: 132 x 64 pixel graphical LCD with backlight.
Audio: Wideband audio support (G.722), full-duplex speakerphone.
Network: 10/100 Mbps Ethernet, IEEE 802.3af PoE, VLAN support.
Protocols: SIP, TCP/IP, UDP, RTP, RTCP, DHCP, DNS, NTP.
Programmable Keys: Up to 6 configurable soft keys.
Connectors: Two RJ45 Ethernet, RJ9 handset, 3.5mm headset, DC power.
Power Source: 48V DC via PoE or external power adapter.
Operating Temp: 0°C to 40°C (32°F to 104°F).

Controls and Settings

Access menu via MENU button. Navigation: Use arrow keys and OK to select. Front Panel: Handset, Speakerphone, Mute, Hold, Volume controls, Programmable keys.

Key Functions: Redial, Transfer, Conference, Forward, Message, Headset, Mute, Hold.

Settings Menu: User Preferences (ring tone, volume, contrast), Network Settings (IP configuration), Phone Settings (date/time, language), Programmable Keys (assign functions). Web Interface: Advanced configuration via phone's IP address (default credentials required).

Connecting Devices

Network: LAN port to switch. PC: PC port to computer NIC. Headset: 3.5mm jack.

Ensure phone and connected devices are powered off before making connections.
Use standard CAT5e or higher Ethernet cables for network connections.
For headset use, enable headset mode via phone menu or dedicated headset button.

Tip: Label cables for easy identification during maintenance or reconfiguration.

Advanced Call Features

Supports call hold, transfer, conference, forwarding, and voicemail integration.

Make call: Lift handset or press Speakerphone, dial number.
Answer call: Lift handset, press Speakerphone, or press flashing line key.
Hold: Press HOLD button; resume by pressing same line key.
Transfer: During call, press TRANSFER, dial target number, press TRANSFER again.
Conference: During call, press CONFERENCE, dial second party, press CONFERENCE to merge.
Forward: Press FORWARD, dial destination number or code.
Voicemail: Press MESSAGE key or dial voicemail access number.
Redial: Press REDIAL to call last dialed number.

WARNING! Do not use excessive force on keys or handset. Use approved accessories only.

Accessibility Features

Adjustable ring volume and tone. Visual alerts via message waiting LED. Large, high-contrast display for improved readability. Headset compatibility for hands-free operation.

Care & Cleaning

Disconnect power before cleaning. Use soft, dry cloth to wipe exterior. For stubborn marks, dampen cloth slightly with water; do not use solvents.

CAUTION! Never spray cleaning agents directly on phone. Avoid getting moisture into openings.

Regulatory Information

FCC Part 15: Class B digital device; complies with limits for residential installation. CE marked. Ringer equivalence: 0.4B. For support, visit www.mitel.com or contact your authorized Mitel dealer. Copyright © Mitel Networks Corporation. All trademarks are property of their respective owners.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power/no display	Power/PoE issue	Check power adapter connection; verify PoE switch is enabled; try different Ethernet cable.
No dial tone	Network/configuration	Verify network connectivity; check IP configuration; confirm registration with PBX.
Poor audio quality	Network/connections	Check for network congestion; verify cable integrity; adjust audio settings in menu.
Keys not responding	Phone lock/defect	Check if key lock is enabled; reboot phone; perform factory reset if needed.
Cannot register	IP/DNS settings	Verify DHCP is enabled or static IP is correct; check DNS and PBX server address.

Reset: Menu > Settings > System > Reset to Factory Defaults (requires admin password).

Service: Contact your system administrator or Mitel support at www.mitel.com.