Avaya Phone Manual 6408D+ Manual

The Avaya 6408D+ is a digital deskphone designed for use with Avaya communication systems, featuring a 24-character display, 24 programmable feature keys, speakerphone, headset support, and multiple line appearances. It supports standard telephony features such as call hold, transfer, conference, and speed dial. 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 Call Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 24-character backlit display, 24 programmable feature keys, Speakerphone, Headset jack, Volume controls, Message Waiting Indicator.

Feature	Description
Display	24-character, 2-line backlit LCD for call information and prompts
Programmable Keys	24 keys for line appearances, speed dial, or feature access
Speakerphone	Full-duplex hands-free communication
Headset Jack	For use with compatible telephone headsets
Volume Controls	Separate controls for ringer, speaker, and handset
Message Waiting Indicator	LED to indicate new voicemail messages
Hold Key	Places active call on hold
Transfer Key	Transfers calls to another extension
Conference Key	Sets up multi-party conference calls
Mute Key	Mutes the microphone during a call

Installation

Unpack and inspect contents. Place on stable desk surface.

Connect to network: Plug the telephone line cord into the wall jack and the phone's LINE port.
Connect handset: Attach coiled handset cord to handset and HANDSET port on phone.
Connect power: Plug the AC power adapter into the phone and a wall outlet (if required by system).
Connect headset: Plug compatible headset into the headset jack (optional).

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

First-Time Setup

Power on phone; follow system prompts.

Check registration: Display should show extension number or system name.
Set date and time: Use system administrator options or phone menu if available.
Program feature keys: Use ADMIN or programming mode to assign functions to keys.
Adjust volume: Use volume keys to set ringer, speaker, and handset levels.

CAUTION! Do not place phone near heat sources or in direct sunlight.

Specifications

Display: 24-character, 2-line backlit LCD.
Keys: 24 programmable feature keys, 12 fixed function keys.
Audio: Full-duplex speakerphone, handset, headset support.
Ports: LINE, HANDSET, headset jack, optional power adapter.
Compatibility: Designed for Avaya communication systems (e.g., IP Office, Aura).
Power Source: System powered or external 48V DC adapter.
Operating Temp: 32°F to 104°F (0°C to 40°C).
Dimensions: Standard deskphone size.

Controls and Settings

Access features via fixed keys or programmable keys. Fixed Keys: HOLD, TRANSFER, CONFERENCE, MUTE, VOLUME UP/DOWN, SPEAKERPHONE, HEADSET.

Display: Shows call information, prompts, and softkey labels. Programmable Keys: Can be set as line appearances, speed dial, call pickup, or feature access.

Settings: Adjust ringer volume/type via VOLUME keys or menu. Set display contrast via menu. Program speed dial numbers via ADMIN mode. Configure headset mode via menu.

Connecting Devices

Network: Standard telephone line cord. Headset: 2.5mm or RJ9 headset jack. Power: External adapter if required.

Turn off power before connecting devices.
Match cords to correct ports (e.g., handset to HANDSET).
For headset use, enable headset mode via menu or HEADSET key.

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

Advanced Call Features

Supports standard and advanced telephony features.

Make call: Lift handset or press SPEAKERPHONE/HEADSET, dial number.
Answer call: Lift handset, press SPEAKERPHONE, or press flashing line key.
Hold: Press HOLD key; resume by pressing flashing line key.
Transfer: Press TRANSFER, dial target number, announce call, press TRANSFER again.
Conference: Press CONFERENCE, dial first party, press CONFERENCE again, dial second party.
Speed dial: Press programmed speed dial key or dial speed dial code.
Call forward: Activate via feature code or system menu.
Voicemail: Press MESSAGE key or dial voicemail access number.

WARNING! Do not use liquid cleaners on keys or display.

Accessibility Features

Adjustable ringer volume and tone. Visual message waiting indicator. Large, tactile keys. Headset compatibility for hands-free operation.

Care & Cleaning

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

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

Regulatory Information

FCC Part 68: Registered telephone equipment; complies with applicable standards. Industry Canada CS-03 compliant. 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	Line/power issue	Check line cord connections; ensure phone is powered.
Display blank	Power/contrast	Check power adapter; adjust display contrast via menu.
Cannot make calls	System programming	Contact system administrator to verify extension settings.
No ring	Volume settings	Press VOLUME UP during idle state; check ringer settings.
Poor audio quality	Connections/environment	Check handset/headset cords; move away from electrical noise sources.

Reset: Unplug power and line cord for 30 seconds, then reconnect.

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