---
product_id: 12751996
title: "Lucent/Avaya 8403 Definity Digital PBX Speaker Phone (840302DA), Black"
brand: "lucent"
price: "₨124428"
currency: LKR
in_stock: false
url: https://www.desertcart.lk/products/12751996-lucent-avaya-8403-definity-digital-pbx-speaker-phone-840302da-black
store_origin: LK
region: Sri Lanka
---

# 3 call appearance buttons Built-in speakerphone 8 fixed feature buttons Lucent/Avaya 8403 Definity Digital PBX Speaker Phone (840302DA), Black

**Brand:** lucent
**Price:** ₨124428
**Availability:** ❌ Out of Stock

## Summary

> 📞 Elevate your office calls with precision and power!

## Quick Answers

- **What is this?** Lucent/Avaya 8403 Definity Digital PBX Speaker Phone (840302DA), Black by lucent
- **How much does it cost?** ₨124428 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/12751996-lucent-avaya-8403-definity-digital-pbx-speaker-phone-840302da-black)

## Best For

- lucent enthusiasts

## Why This Product

- Trusted lucent brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **User-Friendly Controls:** Rocker-type volume control and LED message waiting light keep you informed and in command.
- • **Enhanced Audio Flexibility:** Built-in speakerphone and adjunct ports support headsets and optional audio devices for crystal-clear communication.
- • **Effortless Multiline Management:** Handle up to 3 calls simultaneously with dedicated call appearance buttons for seamless multitasking.
- • **Instant Access to Key Functions:** 8 fixed feature buttons including Conference, Hold, Transfer, and Mute streamline your workflow.
- • **Reliable Business Communication:** Compatible with all Definity PBX systems, ensuring smooth integration and dependable performance.

## Overview

The Lucent/Avaya 8403 Definity Digital PBX Speaker Phone is a robust, multiline business phone designed for Definity PBX systems. Featuring 3 call appearance buttons, 8 fixed feature keys, and a built-in speakerphone, it enables efficient call handling and conferencing. Its adjunct ports support headsets and other audio devices, while user-friendly controls like rocker volume and LED message alerts enhance productivity. Ideal for professional environments seeking reliable, flexible telephony solutions.

## Description

The Avaya Definity nondisplay 8403 phone enhanced design and functionality make it an excellent phone for any business. The Definity 8403 comes standard with 8 fixed feature buttons, and 3 call appearance/features buttons. The multiline digital terminal is an ideal solution for Definity system customers who need flexible yet economical call-handling capabilities throughout their business. The Avaya 8403 terminal multiple line appearances provide expanded call coverage and other advanced voice communications. For example - one-touch access to dedicated feature buttons such as Conference, Hold, Mute, and Transfer lets your employees work faster and more efficiently. The rocker-type Volume Control easily adjusts the ring, handset, or speaker volume, and the red LED Message waiting light instantly alerts users to messages. The Feature button allows quick access – via the dialpad – to 12 additional features of the telephone system. In addition, the listen-only, built in Speaker provides convenient off-hook dialing and listening.

## Features

- Compatible with all Definity PBX Phone Systems
- Eight Fixed Feature Buttons – process calls easily and efficiently
- 3 call appearance/feature buttons
- Speakerphone, Conference, Transfer, Drop, & Hold features
- Adjunct ports support headsets and other optional audio devices

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00JQKP3KC |
| Date First Available | April 16, 2014 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 3 pounds |
| Item model number | 8403D02A |
| Manufacturer | Lucent/Avaya |
| Package Dimensions | 10.6 x 8.7 x 6.5 inches |

## Product Details

- **Brand:** Lucent
- **Caller Identification:** No
- **Color:** Black
- **Item Weight:** 3 Pounds
- **Manufacturer:** Lucent/Avaya
- **Multiline Operation:** Multi-Line Operation
- **UPC:** 799975926193

## Images

![Lucent/Avaya 8403 Definity Digital PBX Speaker Phone (840302DA), Black - Image 1](https://m.media-amazon.com/images/I/81C7UVI7qJL.jpg)
![Lucent/Avaya 8403 Definity Digital PBX Speaker Phone (840302DA), Black - Image 2](https://m.media-amazon.com/images/I/81WHQaaYXPL.jpg)
![Lucent/Avaya 8403 Definity Digital PBX Speaker Phone (840302DA), Black - Image 3](https://m.media-amazon.com/images/I/910FmtjCQrL.jpg)
![Lucent/Avaya 8403 Definity Digital PBX Speaker Phone (840302DA), Black - Image 4](https://m.media-amazon.com/images/I/91GsN3xvLsL.jpg)
![Lucent/Avaya 8403 Definity Digital PBX Speaker Phone (840302DA), Black - Image 5](https://m.media-amazon.com/images/I/91qnv550EXL.jpg)

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**Shop now:** [https://www.desertcart.lk/products/12751996-lucent-avaya-8403-definity-digital-pbx-speaker-phone-840302da-black](https://www.desertcart.lk/products/12751996-lucent-avaya-8403-definity-digital-pbx-speaker-phone-840302da-black)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-03-09*