Avaya J159 IP Phone – 700512394

Product Overview

The Avaya J159 IP Phone is a button-intensive IP phone designed for users who need comprehensive call handling capabilities in a compact form factor. This high-performing SIP-based phone features dual color displays—a 2.8" primary display (320x240 pixels) and a 2.3" secondary display (160x240 pixels)—providing exceptional visibility for managing multiple line appearances and call information. With 24 self-labeling programmable keys on each display, the J159 delivers up to 48 programmable buttons for call appearances and features, making it ideal for receptionists, assistants, and managers who handle high call volumes.

The J159 leverages your enterprise IP network to deliver sophisticated voice communications with HD wideband audio, full-duplex speakerphone, and advanced codec support including G.711, G.722, G.726, G.729, and Opus. Dual Gigabit Ethernet ports (10/100/1000) enable seamless network integration with PC passthrough capability, while IEEE 802.3af Class 1 PoE support allows single-cable deployment. The phone supports optional Wi-Fi and Bluetooth connectivity via the J100 Wireless Module for flexible deployment scenarios.

Tightly integrated with Avaya Aura and IP Office platforms, the J159 also supports third-party SIP platforms including RingCentral, BroadSoft, 3CX, Asterisk, and FreeSWITCH. Enhanced security features include TLS/SRTP encryption, and the phone can be configured via web interface or Avaya Device Services. Available in Cobalt Black with a two-position desk stand included; optional wall mount adapter available separately (700513631).

Who Should Use This Product?

Receptionists & Front Desk Staff

Ideal for high-traffic call handling with 48 programmable keys for managing multiple lines, transferring calls, and monitoring extensions across the organization.

Executive Assistants & Managers

Perfect for professionals who manage calls for multiple executives, requiring extensive line appearances and quick access to frequently used features and contacts.

Knowledge Workers

Suited for professionals in small form factor environments who need comprehensive call handling capabilities with HD audio quality for clear communications.

Why Choose This Product

The Avaya J159 IP Phone maximizes productivity with its dual-display design and 48 programmable keys, enabling users to handle high call volumes efficiently without missing important calls. The compact form factor saves valuable desk space while delivering enterprise-grade features including HD audio, Gigabit connectivity, and advanced security with TLS/SRTP encryption. PoE Class 1 support simplifies deployment and reduces infrastructure costs, while optional Wi-Fi connectivity via the J100 Wireless Module provides flexibility for dynamic work environments. Multi-platform compatibility protects your investment by supporting both Avaya and third-party SIP systems.

Will This Work for Me?

Works With

  • Avaya Aura Communication Manager (SIP or H.323)
  • Avaya IP Office 11.0.4.2 or later
  • Avaya Cloud Office by RingCentral
  • Open SIP platforms (RingCentral, 3CX, Asterisk, BroadSoft, FreeSWITCH, Metaswitch)

Requirements

  • PoE switch (IEEE 802.3af Class 1) or optional 5V DC power adapter
  • Ethernet connection (Gigabit recommended)
  • SIP or H.323 registration credentials
  • Basic IPT License for Avaya Aura; Enhanced IPT or Core License for security features

Software

  • J100 SIP software with Avaya SIPAST for Avaya Aura integration

Note

Power supply not included. J100 Wireless Module (700512398) sold separately for Wi-Fi/Bluetooth. Wall mount adapter (700513631) sold separately. Does not support JBM24 or JEM24 expansion modules.

Downloads & Documentation

Fact Sheet

PDF • 828.71 KB

Quick Start Guide

PDF • 512.02 KB

What's in the Box

  • Avaya J159 IP Phone
  • Handset
  • Handset cord
  • Desk stand
  • Ethernet cable
  • Quick start guide

Technical Specifications

Primary Attributes

Color: Cobalt Black
Concurrent Calls: 2
Display Resolution: 320x240
Display Size: 2.8"
Ethernet Ports: 2
Ethernet Speed: 10/100/1000 Mbps
Hard Line Keys: 4
Headset Port: rj9
Phone Connectivity: IP / SIP, IP / H323
PoE Support: 802.3af (PoE)
Power Options: PoE or AC Adapter
Programmable Keys: 48
SIP Lines: 10
USB-A Ports: 1
Video Capable: No
WiFi: Optional Module
WiFi Standard: 802.11ac

J100 Series Models (3)

View Avaya J179 IP Phone | SIP – 700513569
Avaya J179 IP Phone | SIP – 700513569
Avaya logo

J179

SKU: 700513569
Condition: New
Stock: 250+
$175.00
$500.00
Save $325.00
(65% off)
View Avaya J179 IP Phone | PoE | SIP | Refurbished – 700513569
Avaya J179 IP Phone | PoE | SIP | Refurbished – 700513569
Refurbished
Avaya logo

J179

SKU: 700513569-R
Condition: Refurbished
Stock: 125
$125.00
$500.00
Save $375.00
(75% off)
View Avaya J169 IP Phone – 700513634
Avaya J169 IP Phone – 700513634
Avaya logo

J169

SKU: 700513634
Condition: New
Stock: 10
$70.00
$370.00
Save $300.00
(81% off)