Mitel Phone Manual 5312

The Mitel 5312 is a feature-rich IP phone designed for business environments, offering high-quality audio, programmable keys, support for multiple lines, and integration with Mitel communication systems. Below are key sections covering features, installation, configuration, operation, and troubleshooting for the Mitel 5312 IP phone.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting to Network 7. Basic Operations 8. Advanced Features 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: LCD display with backlight, programmable feature keys, handset with headset jack, Ethernet ports, and power adapter.

Feature	Description
Display	2-line backlit LCD for call information and menus
Programmable Keys	12 keys for speed dial, line appearances, or features
Handset	Wideband audio capable for high-quality voice
Headset Port	2.5mm jack for hands-free operation
Ethernet Ports	Two 10/100 Mbps ports for network and PC connection
Message Waiting Indicator	LED for visual voicemail notification
Volume Controls	Separate controls for handset, speaker, and ringer
Hold Key	Single-touch call hold function
Mute Key	Mutes microphone during calls
Navigation Keys	Arrow keys for menu navigation and scrolling

Installation

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

Connect to network: Plug Ethernet cable from network switch into LAN port on phone.
Connect PC: Use second Ethernet port to connect computer for pass-through networking.
Connect handset: Insert coiled cord into handset jack.
Connect power: Plug power adapter into phone and wall outlet.

WARNING! Use only approved power adapter. Ensure proper ventilation around phone.

First-Time Setup

Power on phone; follow initialization process.

Network configuration: Phone will obtain IP address via DHCP by default.
Check registration: Verify phone registers with Mitel communication server.
Program extension: Configure extension number through web interface or system admin.
Set preferences: Adjust ringer volume, display contrast, and date/time format.

CAUTION! Do not disconnect during firmware updates. Allow phone to complete boot process.

Specifications

Display: 2-line, 24-character backlit LCD.
Network: 10/100 Mbps Ethernet with PC pass-through.
Audio: Wideband audio support, G.711, G.729 codecs.
Programmable Keys: 12 keys with dual-color LEDs.
Power: 48V DC via power adapter or Power over Ethernet (PoE).
Supported Protocols: SIP, MiNet.
Operating Temperature: 0°C to 40°C (32°F to 104°F).
Dimensions: 8.5" x 7.5" x 3.5" (216mm x 191mm x 89mm).

Controls and Settings

Access settings via phone menu or web interface. Front Panel: Volume controls, Mute, Hold, Navigation keys, Programmable keys.

Menu Navigation: Use arrow keys to navigate, SELECT to choose option, EXIT to cancel.

Basic Settings: Ringer volume/type, Display contrast, Time/date format. Advanced Settings: Network configuration, Server addresses, Audio codecs, Feature key programming. Web Interface: Access via phone IP address for detailed configuration (default credentials required).

Connecting to Network

LAN: Primary Ethernet port. PC: Secondary port for computer connection.

Ensure network switch is powered and operational.
Connect phone LAN port to network switch using Ethernet cable.
Connect PC to phone's PC port if computer needs network access.
Verify link LEDs illuminate on phone and switch.

Tip: Use Cat5e or better cables for optimal performance. Check cable connections if no link light.

Basic Operations

Making and receiving calls, hold, transfer, conference.

Make call: Lift handset or press Speaker, dial number, press Dial or wait for auto-dial.
Answer call: Lift handset, press Speaker, or press corresponding line key.
Hold call: Press Hold key; retrieve by pressing flashing line key.
Transfer call: Press Transfer, dial destination, announce if desired, press Transfer again.
Conference: During call, press Conference, dial second party, press Conference again.
Volume adjustment: Use volume keys during call for handset/speaker volume.
Mute: Press Mute key during call; LED indicates active mute.
Redial: Press Redial or last number dialed key.

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

Advanced Features

Speed Dial: Program frequently dialed numbers to programmable keys. Call Forwarding: Enable via feature code or menu to forward calls. Do Not Disturb: Activate to silence ringer for incoming calls. Message Waiting: Visual LED indicates voicemail messages.

Care & Maintenance

Unplug power before cleaning. Use slightly damp cloth for exterior; dry thoroughly.

CAUTION! Do not use solvents or abrasive cleaners. Keep liquids away from phone.

Regulatory Information

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

Troubleshooting

Symptom	Possible Cause	Corrective Action
No display/power	Power connection	Check power adapter connection; try different outlet; verify PoE switch power.
No network connection	Cable/configuration	Check Ethernet cable; verify link LEDs; confirm network settings.
Cannot make/receive calls	Registration	Verify phone is registered to server; check extension configuration.
No dial tone	Line configuration	Check line assignment; verify server connectivity; contact administrator.
Poor audio quality	Network/configuration	Check network for packet loss; verify audio codec settings; test with handset and speaker.

Reset: Press and hold # key during power-up for factory reset (caution: erases configuration).

Service: Contact authorized Mitel dealer or visit www.mitel.com/support