Avaya Partner 18D Phone Manual

The Avaya Partner 18D is a digital business telephone designed for use with the Avaya Partner ACS communication system. It features 18 programmable line/feature buttons, a 2-line LCD display, speakerphone, headset compatibility, and support for multiple call appearances. This manual covers installation, configuration, basic operation, advanced features, and troubleshooting for the 18D phone.

1. Features at a Glance 2. Installation & Setup 3. Basic Operation 4. Specifications 5. Button & Display Guide 6. Programming & Configuration 7. Advanced Features 8. Voice Mail Access 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Handset, Base Unit, 18 programmable buttons, 2-line LCD, Message Waiting Indicator, Speakerphone, Volume Controls.

FeatureDescription
Programmable Buttons18 buttons for line/feature assignment (default: bottom row for intercom)
2-Line LCD DisplayShows time, extension number, call information, feature status
SpeakerphoneFull-duplex for hands-free conversation
Headset JackStandard RJ9 jack for headset connection (rear of phone)
Message Waiting IndicatorRed LED lights when voice mail messages are present
Volume ControlsSeparate controls for handset, speaker, and ringer volume
Hold ButtonPlaces active call on hold
Conference ButtonAllows adding a third party to a call
Transfer ButtonTransfers calls to another extension
Mute ButtonMutes the microphone during a call

Installation & Setup

Unpack phone and inspect contents. Connect to the Avaya Partner ACS system.

  1. Connect the line cord: Plug the modular line cord into the jack on the bottom of the phone and into the wall jack connected to the Partner system.
  2. Connect the handset: Attach the coiled cord to the handset and the handset jack on the phone.
  3. Power: The phone receives power from the communication system; no external power adapter is required.
  4. Initial display: Upon connection, the display should show the date, time, and your extension number.

WARNING! Use only the provided or approved line cords. Do not connect to standard analog phone lines directly.

Basic Operation

Making and receiving calls with the Partner 18D.

  1. Make a call: Lift handset or press Speaker. Dial the number using the keypad.
  2. Answer a call: Lift handset, press Speaker, or press the flashing line button.
  3. End a call: Hang up the handset or press Speaker again.
  4. Place a call on hold: Press Hold. To retrieve, press the line button with the flashing green LED.
  5. Adjust volume: Use the Volume Up/Down buttons on the side of the phone during a call (for handset/speaker) or when idle (for ringer).

NOTE: The bottom row of buttons is typically programmed for intercom (IC) calls to other extensions.

Specifications

Button & Display Guide

Understanding the default button layout and display icons.

Default Button Layout (Typical): Buttons 1-6: Intercom (IC) buttons. Buttons 7-18: Can be programmed as line appearances (CO lines) or feature keys (Hold, Transfer, Conference, etc.).

Display Icons: "IC" = Intercom line active. "CO" = Central Office/outside line. Clock icon = Time/Date display. Envelope icon = Message waiting. "H" = Call on hold. "M" = Microphone muted.

LED Colors: Steady Green = Line in use. Flashing Green = Incoming call or call on hold. Steady Red = Line busy or DND active. Off = Line available.

Programming & Configuration

System programming is done through the Partner system administrator. Personal button programming can be done by the user.

  1. Program a button: Press Feature (or the programmed "Funct" button), then press the button you want to program, then enter the feature code (e.g., 0 for Hold).
  2. Set Date/Time: Admin function only.
  3. Set Ring Tones: Use volume controls while phone is idle to cycle through ring patterns (if enabled by admin).
  4. Set Speakerphone Mode: Toggle between full-duplex and half-duplex via admin programming.

Tip: Consult your system administrator for specific feature codes and system-wide programming.

Advanced Features

Utilizing the full capabilities of the 18D phone.

  1. Call Transfer: Press Transfer, dial the extension or number, announce the call, then hang up. For blind transfer, hang up after dialing.
  2. Conference Calling: During a call, press Conference, dial the third party, press Conference again to connect all parties.
  3. Call Forwarding: Activate via feature code (e.g., *02) followed by destination number. Deactivate with #02.
  4. Do Not Disturb (DND): Press the programmed DND button or use feature code. LED turns red.
  5. Last Number Redial: Press Redial or the programmed button to dial the last outside number called.

NOTE: Feature availability depends on system configuration.

Voice Mail Access

Accessing the integrated Partner Messaging or external voice mail.

  1. When the Message Waiting LED is lit, lift handset and press the programmed "Msg" button or dial the voice mail access number (often your own extension).
  2. Enter your mailbox number and password when prompted.
  3. Follow voice prompts to listen to, save, or delete messages.
  4. To turn off the Message Waiting light, listen to all new messages or press the light to reset (if enabled).

Default: The Message Waiting button is often programmed on button 1 or 2.

Care & Maintenance

Unplug the line cord from the wall before cleaning. Use a soft, dry cloth. For stubborn marks, dampen cloth slightly with water. Do not use abrasive cleaners or solvents.

CAUTION! Never spray liquids directly onto the phone. Keep away from excessive heat, moisture, and dust.

Regulatory Information

FCC Part 15 & 68: This equipment complies with FCC rules. Connection to the telephone network is via an FCC-registered jack (USOC RJ11C/RJ14C/RJ25C). This device may not cause harmful interference and must accept any interference received. For repairs, contact authorized Avaya service personnel. Copyright © Avaya Inc. All rights reserved. Avaya, the Avaya logo, and Partner are trademarks of Avaya Inc. For support, contact your system administrator or visit support.avaya.com.

Troubleshooting

SymptomPossible CauseCorrective Action
No dial toneLine cord loose, system powerCheck line cord connections at phone and wall. Ensure Partner control unit is powered on.
Display is blankNo power, faulty connectionCheck line cord. Contact administrator to verify system power and port assignment.
Cannot make outside callsLine not assigned, restrictionPress a CO line button (e.g., 7-18). Contact admin to verify line assignment and calling restrictions.
Buttons don't work as expectedIncorrect programmingVerify button programming with system administrator. Re-program if necessary.
No sound from speakerphoneVolume low, mute onAdjust speaker volume during a call. Check if Mute LED is lit; press Mute to turn off.
Static on lineBad cord, connection, interferenceTry a different line cord. Ensure phone is away from sources of electrical interference.

Reset: Unplug the line cord for 30 seconds, then reconnect. This resets the phone to the system.

Service: Contact your system administrator or authorized Avaya service provider. Do not open the telephone; no user-serviceable parts inside.

Avaya Partner 18D Phone Manual © - All Rights Reserved 2025