Avaya Partner 18D User Manual

The Avaya Partner 18D is a versatile 2-line, 8-extension small business telephone system designed for reliability and ease of use. It supports up to 8 Partner-series telephones, 2 central office (CO) lines, and features basic call handling, intercom, hold, transfer, conferencing, and messaging capabilities. Below are key sections covering system overview, installation, programming, operation, features, and troubleshooting.

1. System Overview 2. Installation & Setup 3. Telephone Features 4. System Programming 5. Specifications 6. Connecting Lines & Extensions 7. Using Advanced Features 8. Voice Mail Integration 9. Maintenance & Care 10. Regulatory Information 11. Troubleshooting

System Overview

Key components: Control Unit, Partner-series telephones, line cords, power supply, mounting hardware.

ComponentDescription
Control UnitMain system housing with slots for line/extension cards
Telephone Lines2 analog CO lines (RJ11 connectors)
ExtensionsUp to 8 Partner-series telephones (RJ11)
Power Supply48V DC, plugs into control unit
IntercomHands-free communication between extensions
HoldPlace calls on hold with music/tones
TransferTransfer calls between extensions/lines
Conferencing3-party conference calls
Message WaitingLED indicator for voice mail messages
Auto AttendantOptional feature for call routing

Installation & Setup

Unpack and inspect contents. Mount control unit in a dry, ventilated area.

  1. Connect telephone lines: Plug CO lines into LINE 1 and LINE 2 ports.
  2. Connect extensions: Plug Partner phones into EXTENSION ports 1-8.
  3. Connect power: Attach power supply to control unit and plug into AC outlet.
  4. Power on system: Allow 1-2 minutes for initialization.

WARNING! Use only Avaya-approved power supply. Ensure proper grounding to avoid electrical hazards.

Telephone Features

Partner telephones include standard 12-button layout with programmable keys.

  1. Make/answer calls: Lift handset or press speaker; dial number.
  2. Intercom: Press INTERCOM + extension number for hands-free talk.
  3. Hold: Press HOLD to place call on hold; retrieve with line key.
  4. Transfer: Press TRANSFER, dial extension, announce call, hang up.
  5. Conference: Press CONF, dial second party, press CONF again.
  6. Message waiting: Red LED lights when messages are present.

CAUTION! Do not expose system to moisture or extreme temperatures.

System Programming

Specifications

Connecting Lines & Extensions

Lines: RJ11 ports labeled LINE 1, LINE 2. Extensions: RJ11 ports 1-8.

  1. Turn off power before connecting lines/extensions.
  2. Use standard RJ11 telephone cables.
  3. Test each line/extension after connection.

Tip: Label cables for easy identification during maintenance.

Using Advanced Features

Supports call forwarding, do not disturb, paging.

  1. Call forwarding: Press FWD, dial destination extension.
  2. Do not disturb: Press DND to silence ringing at extension.
  3. Paging: Press PAGE, speak after tone.
  4. Speed dial: Store numbers under programmable keys.
  5. Call pickup: Answer ringing calls at other extensions.
  6. Last number redial: Press REDIAL to call last dialed number.

WARNING! Program features during off-peak hours to avoid call disruption.

Voice Mail Integration

Compatible with Partner Mail VS and other Avaya voice mail systems.

  1. Connect voice mail unit to extension port.
  2. Program call forwarding to voice mail extension.
  3. Record greetings via admin phone.
  4. Message waiting LED lights when messages are received.

Maintenance & Care

Unplug power before cleaning. Use dry, soft cloth; avoid liquids.

CAUTION! Do not use compressed air or solvents on control unit.

Regulatory Information

FCC Part 68: Registered telephone equipment; complies with US telecommunications standards. Copyright © Avaya Inc. All rights reserved. For technical support, visit www.avaya.com/support or contact 1-800-242-2121.

Troubleshooting

SymptomPossible CauseCorrective Action
No dial toneLine/power issueCheck line connections; ensure power supply is plugged in.
Extension deadCable/port faultTest cable; try different extension port.
Can't make outside callsCall restrictionsCheck system programming for call bars.
Intercom not workingProgramming errorVerify intercom settings in system programming.
No caller IDService/programmingEnsure caller ID service from provider; enable in programming.

Reset: Unplug power for 30 seconds, then reconnect.

Service: 1-800-242-2121; www.avaya.com/support

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