Mitel IP480G Phone Manual

The Mitel IP480G is a feature-rich IP desk phone designed for business environments, supporting VoIP protocols, high-quality audio, and integration with Mitel communication platforms. It features a backlit display, programmable keys, headset support, PoE capability, and extensive call management 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. Call Management 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Backlit LCD display, Programmable Line/Feature Keys, Volume Controls, Headset Jack, Ethernet Ports (LAN and PC), Handset, Speakerphone.

Feature	Description
Display	Backlit LCD for call information and menus
Programmable Keys	Configurable for lines, speed dial, or features
Handset	Wideband audio for high-quality voice
Speakerphone	Full-duplex hands-free communication
Headset Port	For headset connectivity (optional)
Ethernet Ports	LAN and PC ports for network pass-through
Power over Ethernet (PoE)	IEEE 802.3af compliant
Volume Controls	Separate controls for handset, speaker, ringer
Message Waiting Indicator	LED for voicemail notification
Hold/Transfer/Conference	Standard call management buttons

Installation

Unpack and inspect contents. Place on stable surface.

Connect to Network: Use Ethernet cable from switch/router to LAN port.
Connect PC (optional): Use second Ethernet cable from PC port to computer.
Power the Phone: Use PoE from switch or connect included power adapter.
Connect Handset: Plug coiled handset cord into handset jack.
Connect Headset (optional): Plug into headset jack.

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

First-Time Setup

Power on phone; follow on-screen prompts.

Network Registration: Phone will attempt to obtain IP address via DHCP.
Configure SIP/Extension: Enter SIP server address and extension credentials via web interface or phone menu.
Set Language: In Settings menu, select preferred language.
Set Date/Time: Configure manually or via NTP server.
Program Keys: Assign functions to programmable keys as needed.

CAUTION! Handle phone with care; avoid placing heavy objects on it.

Specifications

Display: Backlit graphical LCD.
Protocols: SIP, Mitel MiNet.
Audio Codecs: G.711, G.729, G.722 (wideband).
Network: 10/100 Mbps Ethernet, IEEE 802.3af PoE.
Power Supply: 48V DC via PoE or external adapter.
Programmable Keys: Up to 24 configurable keys.
Connectors: Two RJ45 Ethernet, RJ9 handset, RJ9 headset.
Operating Temperature: 0°C to 40°C (32°F to 104°F).
Compliance: FCC Part 15, CE, RCM.

Controls and Settings

Access menu via MENU button. Navigation: 4-way navigation pad with OK button.

Front Buttons: HOLD, TRANSFER, CONFERENCE, MESSAGE, VOLUME UP/DOWN, MUTE, HEADSET, SPEAKERPHONE.

Settings Menu: Network configuration, SIP settings, Audio settings (ringer, handset, speaker volume), Display settings (contrast, backlight time), Time/Date, Key programming. Web Interface: Access via IP address for advanced configuration (default username/password: admin).

Connecting Devices

Network: LAN port to switch/router. PC: PC port to computer. Headset: RJ9 jack.

Ensure phone is powered off before connecting cables.
Use Cat5e or higher Ethernet cables for network connections.
For headset, use compatible RJ9 headset adapter if required.

Tip: Label cables for easy identification during maintenance.

Call Management

Supports basic and advanced call features.

Make Call: Lift handset or press SPEAKERPHONE/HEADSET, dial number.
Answer Call: Lift handset, press SPEAKERPHONE, or press corresponding 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.
Voicemail: Press MESSAGE button or dial voicemail access number.
Redial: Press REDIAL or navigate to call log.
Mute: Press MUTE during call to mute microphone.

WARNING! Do not use phone with wet hands; keep liquids away from device.

Accessibility Features

Adjustable Ringer Volume: Set via audio settings menu. Visual Alerts: Flashing LED for incoming calls. Headset Mode: For hands-free operation. Large Font Option: Available in display settings.

Care & Cleaning

Unplug power before cleaning. Use soft, dry cloth; avoid abrasive cleaners or solvents.

CAUTION! Do not spray liquids directly on phone; keep away from extreme temperatures.

Regulatory Information

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

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power source/cable	Check PoE switch or power adapter; ensure cable is connected securely.
No network connection	Ethernet cable/DHCP	Verify cable connections; check DHCP server availability; restart phone.
No dial tone	SIP registration	Check SIP server settings and credentials; verify network connectivity.
Poor audio quality	Network/codec	Check network for packet loss; adjust audio codec settings if available.
Display blank	Power/backlight	Check power; adjust display contrast/backlight settings via menu.

Reset: Press and hold # key during boot for factory reset (check manual).

Service: Contact Mitel support or authorized service provider.