Avaya 18D Phone Manual

The Avaya 18D is a digital business telephone designed for use with Avaya communication systems. It features 18 programmable line/feature buttons, a high-quality speakerphone, a clear LCD display, and support for multiple call appearances. 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. Advanced Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: LCD display with backlight, 18 programmable buttons, Speakerphone, Handset, Volume controls, Message Waiting Indicator.

Feature	Description
Programmable buttons	18 buttons for line/feature assignment
LCD display	2-line display with backlight for call information
Speakerphone	Full-duplex hands-free communication
Volume controls	Separate controls for handset, speaker, ringer
Message Waiting Indicator	LED for voicemail notification
Headset jack	For headset connection (optional)
Mute button	Mutes microphone during calls
Hold button	Places active call on hold
Redial	Dials last called number
Flash/Recall	Accesses system features

Installation

Unpack and inspect contents. Place on stable surface.

Connect to telephone system: Use provided modular cable to connect to wall jack.
Connect handset: Attach coiled cord to handset and phone base.
Connect optional headset: Plug into headset jack on side of phone.
Plug power adapter (if required) into AC outlet and phone.

WARNING! Use only approved power adapter. Ensure all connections are secure.

First-Time Setup

Power on phone; follow system prompts.

Assign extension: Contact system administrator for extension number assignment.
Program buttons: Use ADMIN menu to assign functions to programmable buttons.
Set display contrast: Adjust via SETTINGS menu for optimal viewing.
Configure ring tones: Select from available patterns in RINGER menu.

CAUTION! Do not attempt to program system parameters without administrator access.

Specifications

Display: 2-line LCD with backlight.
Buttons: 18 programmable line/feature buttons.
Audio: Full-duplex speakerphone, adjustable volume controls.
Connections: Modular telephone jack, headset jack, power jack.
Compatibility: Avaya digital communication systems.
Power: System powered or optional 48V DC adapter.
Operating Temp: 32°F to 104°F (0°C to 40°C).
Dimensions: Standard desktop telephone size.

Controls and Settings

Access menu via MENU button. Front Panel: Volume controls, MUTE, HOLD, SPEAKER, REDIAL.

Programmable Buttons: Can be set for line appearances, speed dial, call pickup, transfer, conference, etc.

Display Settings: Contrast adjustment, backlight timeout. Audio Settings: Handset volume, speaker volume, ringer volume/pattern. System Settings: Date/time format, button programming, feature activation.

Connecting Devices

Telephone line: Modular cable to wall jack. Headset: Optional headset to side jack.

Ensure phone is unplugged before connecting devices.
Match connectors properly (RJ11 for line, RJ9 for handset).
For headset use, may need to enable headset mode in settings.

Tip: Use only Avaya-approved headsets for optimal performance.

Advanced Features

Supports call transfer, conference calling, call forwarding, speed dial.

Transfer call: Press TRANSFER, dial destination, press TRANSFER again.
Conference call: Press CONFERENCE, dial first party, press CONFERENCE, dial second party.
Call forwarding: Activate via feature code or programmable button.
Speed dial: Program frequently used numbers to buttons.
Message waiting: LED indicates voicemail messages.
Do Not Disturb: Temporarily block incoming calls.
Call logging: View missed, received, and dialed calls.

WARNING! Feature availability depends on system configuration.

Accessibility Features

Volume boost: Increase handset/speaker volume beyond normal levels. Visual alerts: Flashing LED for incoming calls. TTY compatibility: When used with compatible TTY device.

Care & Cleaning

Unplug before cleaning. Use slightly damp cloth; no abrasive cleaners.

CAUTION! Do not use alcohol or solvents; keep liquids away from phone.

Regulatory Information

FCC Part 68: Registered telephone equipment. UL Listed: Meets safety standards. Copyright © Avaya Inc. All rights reserved. For support, visit www.avaya.com/support or contact your system administrator.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No dial tone	Connection/power	Check cable connections; ensure phone is powered.
Display blank	Power/contrast	Check power source; adjust display contrast.
Buttons not working	Programming	Re-program buttons; check system configuration.
No incoming calls	System settings	Verify extension is active; check Do Not Disturb setting.
Poor audio quality	Connections/environment	Check cables; move away from electrical interference.

Reset: Unplug phone for 30 seconds, then reconnect.

Service: Contact system administrator or Avaya support.