Avaya Phone Manual 6408D Manual

The Avaya 6408D is a digital deskphone designed for use with Avaya communication systems. It features a 24-character display, 24 programmable feature buttons, volume controls, headset and handset options, speakerphone, and support for multiple lines. 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. Using Phone Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 24-character backlit display, 24 programmable buttons, Volume controls, Mute button, Headset jack, Handset, Speakerphone, Message Waiting Indicator.

Feature	Description
Display	24-character backlit LCD for call information and prompts
Programmable Buttons	24 buttons for line appearances, features, and speed dial
Volume Controls	Separate controls for handset, speaker, and ringer volume
Mute Button	Toggles microphone mute during calls
Headset Jack	For connecting a headset for hands-free operation
Speakerphone	Full-duplex speakerphone for hands-free conversations
Message Waiting Indicator	LED indicates new voicemail messages
Hold Button	Places active call on hold
Transfer Button	Transfers calls to another extension
Conference Button	Sets up conference calls with multiple parties

Installation

Unpack and inspect contents. Place on stable surface.

Connect to network: Plug the line cord into the wall jack and the phone's LINE port.
Connect handset: Attach coiled handset cord to phone and handset.
Connect headset (optional): Plug headset into headset jack.
Connect power: Plug AC adapter into power outlet and phone's DC IN port.

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

First-Time Setup

Power on phone; follow system prompts.

Check display: Phone should show extension number or system greeting.
Set date and time: Use admin menu or system administrator if required.
Program buttons: Assign line appearances, speed dial numbers, or features.
Adjust volume: Set handset, speaker, and ringer volume to desired levels.

CAUTION! Do not place phone near heat sources or liquids.

Specifications

Display: 24-character backlit LCD.
Buttons: 24 programmable feature buttons.
Audio: Handset, speakerphone, headset support.
Connections: LINE port, Headset jack, DC IN power.
Compatibility: Avaya communication systems (specific models).
Power Source: 48V DC via AC adapter (included).
Operating Temp: 32°F to 104°F (0°C to 40°C).
Dimensions: Standard deskphone size.

Controls and Settings

Access features via buttons and display prompts. Front Panel: Display, Programmable buttons, Volume controls, Mute, Hold, Transfer, Conference.

Button Programming: Use admin menu or system phone to assign functions (line, speed dial, feature).

Volume: Adjust handset, speaker, ringer via volume buttons. Display: Shows caller ID, time, prompts. Settings: Date/time, ring tones, button assignments via system admin.

Connecting Devices

Line: Wall jack to LINE port. Headset: Plug into headset jack. Power: AC adapter to DC IN.

Turn off phone before connecting devices.
Match cables to ports (e.g., handset cord to handset port).
Ensure secure connections to avoid disconnections.

Tip: Use only Avaya-approved accessories for compatibility.

Using Phone Features

Supports making/receiving calls, hold, transfer, conference, speed dial.

Make call: Lift handset or press Speaker, dial number.
Answer call: Lift handset, press Speaker, or press flashing line button.
Hold: Press HOLD button; press again to retrieve.
Transfer: Press TRANSFER, dial extension, announce call, press TRANSFER again.
Conference: Press CONFERENCE, dial first party, press CONFERENCE again, dial second party.
Speed dial: Press programmed speed dial button.
Mute: Press MUTE during call to mute microphone.
Volume: Press volume buttons during call or idle to adjust.

WARNING! Do not disassemble phone; refer service to qualified personnel.

Accessibility Features

Volume boost: Increase handset/speaker volume for hearing impaired. Large buttons: Easy-to-press buttons. Visual alerts: Message waiting LED for notifications.

Care & Cleaning

Unplug before cleaning. Use dry, soft cloth only; no liquids or aerosols.

CAUTION! Do not spray cleaners directly on phone; avoid moisture.

Regulatory Information

FCC Part 68: Registered telephone device; complies with US regulations. Copyright © Avaya Inc.; trademarks owned by Avaya. For support, visit www.avaya.com/support or contact your system administrator.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No dial tone	Line/power	Check line connection; ensure power adapter plugged in.
Display blank	Power	Check power connection; ensure AC adapter working.
Can't make calls	System/line	Contact system administrator; check line service.
No sound from handset	Volume/handset cord	Adjust volume; check handset cord connection.
Buttons not working	Programming	Re-program buttons via admin menu; reset if needed.

Reset: Unplug power, wait 10 seconds, replug. For system reset, contact admin.

Service: Contact system administrator or Avaya support at www.avaya.com.