Avaya 9508 Digital Deskphone Manual

The Avaya 9508 Digital Deskphone is a feature-rich business telephone designed for use with Avaya communication systems. It offers a 24-character backlit display, 24 programmable line/feature keys, integrated speakerphone, headset compatibility, 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. Using Phone Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Digital Deskphone unit, Handset, Line cords, Mounting bracket, User documentation.

FeatureDescription
Display24-character backlit LCD with status icons
Programmable Keys24 line/feature keys with dual-color LEDs
SpeakerphoneFull-duplex hands-free communication
Headset PortRJ-22 jack for headset connectivity
Message Waiting IndicatorLED for voicemail notification
Volume ControlsSeparate controls for handset, speaker, ringer
MuteMicrophone mute during calls
HoldCall hold with visual indication
ConferenceMulti-party conference capability
TransferCall transfer to another extension

Installation

Unpack and inspect contents. Choose appropriate location on desk or wall.

  1. Connect to network: Use provided line cord to connect to digital station port.
  2. Connect handset: Plug coiled handset cord into handset jack.
  3. Connect power: Use approved power adapter if required by configuration.
  4. Mount on wall: Use mounting bracket if wall mounting desired.

WARNING! Use only approved power sources. Do not place near heat sources or water.

First-Time Setup

Power on phone; follow system initialization prompts.

  1. Verify connection: Check for dial tone and display illumination.
  2. Program extension number: System administrator assigns extension.
  3. Set date and time: Configure through system administration or automatically via network.
  4. Configure feature keys: Assign functions to programmable keys as needed.

CAUTION! Ensure proper ventilation around phone. Do not block ventilation openings.

Specifications

Controls and Settings

Access features via dedicated keys or programmable buttons. Front Panel: Display, Message Waiting LED, Volume controls, Mute, Hold, Speakerphone.

Programmable Keys: Can be configured for line appearances, speed dial, call park, pickup, and other system features.

Settings: Ringer volume and tone selection via menu. Display contrast adjustment. Time and date format. Headset/speakerphone preference. Call forwarding configuration.

Connecting Devices

Network: Digital station port to system. Headset: RJ-22 connector. Optional: External power adapter.

  1. Ensure phone and system are powered off before connecting.
  2. Match connectors to appropriate ports.
  3. Secure all connections firmly.
  4. Power on system before phone.

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

Using Phone Features

Supports standard telephony features and advanced business functions.

  1. Making calls: Lift handset or press Speakerphone, dial number.
  2. Answering calls: Lift handset, press Speakerphone, or press flashing line key.
  3. Hold: Press Hold button during call.
  4. Transfer: During call, press Transfer, dial destination, press Transfer again.
  5. Conference: During call, press Conference, dial next party, press Conference to connect.
  6. Speed dial: Program frequently called numbers to programmable keys.
  7. Call forwarding: Configure via feature codes or system administration.
  8. Voicemail: Access by pressing Message key or dialing voicemail extension.

WARNING! Do not use phone during electrical storms. Unplug during lightning activity.

Accessibility Features

Volume adjustment: Separate controls for handset, speaker, ringer. Visual indicators: LED for line status and message waiting. Hearing aid compatible: Handset meets TIA-1083 standard.

Care & Cleaning

Unplug before cleaning. Use slightly damp cloth with mild detergent. Do not use abrasive cleaners or solvents.

CAUTION! Never spray liquids directly on phone. Keep liquids away from all openings.

Regulatory Information

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

Troubleshooting

SymptomPossible CauseCorrective Action
No dial toneConnection/powerCheck line cord connections; verify system power.
Display blankPower/contrastCheck power source; adjust display contrast setting.
Cannot make callsSystem configurationVerify extension is properly configured in system.
Poor audio qualityConnections/environmentCheck handset cord; ensure clean connections; reduce background noise.
Feature keys not workingProgrammingVerify key programming through system administration.

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

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

Avaya 9508 Digital Deskphone Manual © - All Rights Reserved 2025