Avaya J159 User Manual: A Comprehensive Guide
This manual details the Avaya J159 IP phone’s features, setup, and operation, covering Avaya Cloud Office and Open SIP configurations;
It’s a 198-page guide, available as a PDF, offering tutorials, specifications, and troubleshooting for everyday voice communications needs.
The J159 boasts a beacon LED for alerts, and integrates seamlessly with Avaya OneCloud, providing unified communications and collaboration.
The Avaya J159 is a versatile IP phone designed for modern communication needs, offering a robust feature set for both everyday calls and advanced functionalities. This phone caters to a wide range of users, from standard office environments to integrated Avaya Cloud Office deployments.
Packed with capabilities, the J159 supports Open SIP environments (Release 4.0.11) and provides a user-friendly experience through its intuitive interface and clear beacon LED indicators. This guide will comprehensively cover its setup, operation, and troubleshooting, ensuring optimal performance.
It’s a key component of Avaya’s OneCloud platform, delivering unified communications and collaboration solutions.
Key Features and Capabilities
The Avaya J159 boasts a rich feature set, including seamless integration with Avaya Cloud Office and Open SIP environments. Key capabilities encompass high-definition voice quality, conference calling, call forwarding, and Do Not Disturb (DND) mode for enhanced control.
Its beacon LED provides visual alerts for incoming calls and voicemail, while the intuitive user interface simplifies navigation. The phone supports robust contact management, allowing users to easily add, edit, and search for contacts.
Furthermore, it’s designed for easy software updates and firmware upgrades, ensuring continued functionality.
Unboxing and Initial Setup
Upon unboxing your Avaya J159, verify the package contains the phone, handset, power adapter, and Ethernet cable. Connect the power adapter and Ethernet cable to initiate the setup process. The phone will automatically begin the boot-up sequence, displaying initial configuration screens.
Follow the on-screen prompts to configure network settings, date, and time. Depending on your environment, you may need to enter specific provisioning information for Avaya Cloud Office or Open SIP.
Ensure a stable network connection for successful registration.
Physical Layout and Components
The Avaya J159 features a sleek design with a multi-line display, navigation cluster, and dedicated function keys. The handset rests securely in its cradle, while the base houses the speakerphone and microphone. A prominent beacon LED provides visual alerts for calls and voicemail.
Locate the volume control, headset jack, and Ethernet port on the rear panel. The power adapter connects to the designated port. Familiarize yourself with the physical layout for efficient operation.
Understanding these components is crucial for optimal use.
Understanding the Phone’s Buttons
The Avaya J159 boasts an intuitive button layout. The navigation cluster allows menu access and selection. Dedicated keys handle functions like hold, transfer, and conference; Line keys provide quick access to frequently called numbers or features.

The message key accesses voicemail, while the headset button manages headset calls. Volume controls adjust audio levels. Programmable buttons can be customized for personalized shortcuts.
Mastering these buttons streamlines call handling and feature access.
Interpreting the Beacon LED Indicators
The Avaya J159’s beacon LED provides vital visual alerts. A solid red light signifies new voicemail messages requiring attention. A flashing red light indicates an incoming call, prompting immediate response.
Different flashing patterns can denote specific call states, like call forwarding or do not disturb. The LED’s brightness adjusts based on ambient lighting for optimal visibility.
Understanding these indicators ensures you never miss important communications, enhancing overall call management efficiency.
Navigating the User Interface
The Avaya J159 features an intuitive user interface designed for ease of use. The main phone screen displays essential call information and quick access to frequently used functions.
A structured menu system provides access to advanced settings, contacts, and voicemail options. Navigation is primarily achieved through directional keys and the ‘Select’ button;
Users can customize the interface to suit their preferences, streamlining workflows and maximizing productivity. The interface supports both standard and Avaya Cloud Office features.
Main Phone Screen Overview
The main screen of the Avaya J159 prominently displays the current time and date, alongside the caller ID for incoming calls. Softkeys dynamically change based on the current phone state, offering context-sensitive actions.
Key elements include access to the dial pad, message waiting indicators, and headset/speakerphone controls. Direct access to frequently used features like contacts and redial is also provided.
The screen layout is designed for clear visibility and efficient operation, ensuring a user-friendly experience for everyday communication tasks.
Menu Structure and Options
The Avaya J159’s menu is accessed via the ‘Menu’ or ‘Options’ softkey, presenting a hierarchical structure for configuration. Key categories include Call History, Contacts, Settings, and Features.
Within Settings, users can adjust audio preferences, display settings, and network configurations. The Features menu provides access to advanced options like call forwarding and Do Not Disturb.
Navigation is intuitive, utilizing the directional keys and ‘Select’ softkey. This allows for easy customization of the phone to individual user preferences and needs.
Making and Receiving Calls

The Avaya J159 facilitates both outgoing and incoming calls with ease. To place a call, dial the number directly using the keypad or select a contact from your directory. Answering an incoming call is done by pressing the ‘Answer’ softkey.
Call handling features include Hold, Transfer, and Conference. Users can place calls on hold, transfer them to colleagues, or initiate three-party conferences. Direct Number or the main Cloud Office number can be used.
The phone provides clear audio and visual indicators for call status.
Placing a Call
To initiate a call on the Avaya J159, utilize the numeric keypad to enter the desired phone number. Alternatively, you can access your contact directory and select a contact to dial directly. The phone supports speed dialing for frequently called numbers, enhancing efficiency.
Before dialing, ensure the line is free and the handset is off-hook or a headset is connected. The display will show the dialed number and call progress.
Users can also leverage the call history for redialing recent calls.
Answering an Incoming Call
When receiving a call on the Avaya J159, the phone will display the caller ID, if available. The beacon LED will illuminate, indicating an incoming call. To answer, simply lift the handset or press the answer/decline key.
Alternatively, if a headset is connected, you can answer by pressing the headset button. The display will change to indicate an active call.
Users can also configure the phone to automatically answer calls under specific conditions.
Call Holding and Transferring

To place a call on hold, press the ‘Hold’ button during an active call. The caller will hear hold music. To retrieve a held call, press the ‘Hold’ button again. Transferring a call involves entering the extension number or selecting a contact.
Press the ‘Transfer’ key, dial the destination, and then press ‘Transfer’ again to complete the transfer. Blind transfer is also possible without confirming the recipient’s availability.
Consultative transfer allows you to speak with the recipient before completing the transfer.
Voicemail Access and Management
Accessing voicemail is simple: a red beacon LED indicates new messages. Press the ‘Voicemail’ button to connect. You can also dial your direct number or the Avaya Cloud Office Main Number to access voicemail. Listening to messages involves following the prompts.
Voicemail settings, like notification preferences, can be configured through the phone’s menu or via the Avaya Cloud Office portal. Manage messages by deleting, saving, or forwarding them.
Regularly check for new voicemails to stay informed.
Checking for New Voicemail Messages
The Avaya J159 utilizes a visual indicator – the beacon LED – to alert you to new voicemail. A solid red light signifies unread messages are waiting. Alternatively, you can actively check by pressing the dedicated ‘Voicemail’ button on the phone’s interface.
Dialing your direct number or the Avaya Cloud Office Main Number also initiates a voicemail check. The system will then prompt you regarding the number of new messages.
Consistent monitoring ensures you don’t miss important communications.
Listening to Voicemail Messages
After checking for new messages, pressing the ‘Voicemail’ button initiates playback. Follow the voice prompts to navigate the voicemail system; options typically include listening to messages, deleting them, or saving them. The J159 provides clear audio for easy comprehension.
Utilize the volume control to adjust the playback level. You can fast-forward or rewind within a message using designated keys or voice commands.
Remember to note any important details during playback for future reference.
Voicemail Settings Configuration
Access voicemail settings through the phone’s menu, typically under ‘Options’ or ‘Settings’. Here, you can customize your greeting, enabling a professional or personalized message for callers. Adjust notification preferences to control how you’re alerted to new voicemails – visual indicators or call forwarding.
Configure password protection for enhanced security, safeguarding your messages. Explore options for voicemail-to-email transcription, receiving message summaries directly in your inbox.
Remember to save any changes made to ensure they are applied.
Contact Management
The Avaya J159 facilitates efficient contact organization. Adding new contacts is straightforward via the phone’s interface, inputting names and corresponding phone numbers. Editing existing entries allows for updates to information, ensuring accuracy.
A robust search function enables quick retrieval of contacts, streamlining call initiation. Utilize the directory to locate individuals without memorizing numbers.
Proper contact management enhances communication efficiency and productivity.
Adding New Contacts
To add a new contact on your Avaya J159, navigate to the contacts section within the phone’s menu. Select the “Add New” option, initiating the contact creation process. Input the contact’s full name, ensuring correct spelling for easy searching.
Enter the corresponding phone number, including any necessary area codes or extensions. Save the new entry to your contact list, making it readily available for future calls.
Verify the information to avoid communication errors.
Editing Existing Contacts
To edit a contact on your Avaya J159, access the contacts list through the phone’s menu. Select the contact you wish to modify, then choose the “Edit” option. Carefully review the displayed information, including the contact’s name and phone number.
Make the necessary changes, correcting any errors or updating outdated details. Save the updated contact to preserve the modifications. Ensure all changes are accurate before saving.
Confirm the edits to ensure proper contact information.
Searching for Contacts
To locate a specific contact on your Avaya J159, navigate to the contacts list via the phone’s main menu. Utilize the on-screen keyboard to enter the contact’s name or a portion thereof. The phone will dynamically filter the list as you type, displaying matching entries.

Alternatively, you can scroll through the contact list alphabetically. Efficient searching is crucial for quick access to frequently called numbers.
Confirm the correct contact before initiating a call.
Advanced Features
The Avaya J159 offers several advanced functionalities beyond basic calling. Conference calling allows you to connect with multiple parties simultaneously, enhancing collaboration. Call forwarding redirects incoming calls to another extension or external number, ensuring you never miss important communications.
Do Not Disturb (DND) mode silences incoming calls, providing focused time. These features are accessible through the phone’s menu, streamlining complex communication tasks.
Explore these options to maximize your phone’s capabilities.
Using the Conference Call Function
The Avaya J159 simplifies multi-party conversations with its conference call feature. Initiate a call with the first participant, then select the “Conference” softkey. Add additional parties by dialing their extensions or numbers. The phone seamlessly connects everyone, enabling real-time collaboration.
Manage participants by muting individuals or adding new callers during the conference. This feature enhances team communication and decision-making processes, streamlining meetings and discussions.
Setting Up Call Forwarding
The Avaya J159 allows you to redirect incoming calls to another extension or external number. Access the phone’s menu, navigate to “Call Forwarding,” and select your desired forwarding option – always, busy, or no answer.
Enter the destination number or extension. This ensures you never miss important calls, even when unavailable. Call forwarding is easily enabled or disabled through the phone’s interface, providing flexible communication management.
Do Not Disturb (DND) Mode
The Avaya J159’s Do Not Disturb (DND) feature silences incoming call alerts, allowing focused work time. Activate DND through the phone’s menu; a specific icon will illuminate on the display, indicating the mode is active.
While enabled, calls are typically routed to voicemail, preventing interruptions. You can customize DND settings to allow calls from specific contacts. Deactivate DND to resume normal call handling.
Avaya Cloud Office Integration
The Avaya J159 seamlessly integrates with Avaya Cloud Office, offering robust unified communications. Connection involves configuring the phone with your Cloud Office credentials, enabling features like single sign-on and centralized management;
Specific features include streamlined call handling, voicemail access, and contact synchronization. Users can access their Direct Number or the main Cloud Office number for connectivity. A dedicated guide details this integration process.
Connecting to Avaya Cloud Office
To connect your Avaya J159 to Avaya Cloud Office, begin by powering on the phone and accessing the settings menu. You’ll need your Cloud Office credentials – typically a username and password – to initiate the connection process.
The phone will then establish a secure connection to the Cloud Office platform, automatically configuring essential features. Ensure a stable network connection for a smooth setup. Refer to the detailed guide for step-by-step instructions and troubleshooting tips.
Specific Cloud Office Features
Avaya Cloud Office integration unlocks features like streamlined call handling, voicemail access, and contact synchronization directly on your J159. Users can leverage unified communications tools for enhanced collaboration. The platform supports features such as call forwarding and Do Not Disturb (DND) mode, configurable through the phone’s interface.
Additionally, access to team communication and presence information is available. Explore the Cloud Office portal for advanced settings and customization options tailored to your business needs.
Open SIP Environment Configuration
Configuring the Avaya J159 for an Open SIP environment, specifically Release 4.0.11, requires specific settings to ensure proper functionality. This process involves defining SIP parameters, network settings, and codec preferences within the phone’s administrative interface. Refer to the detailed documentation for step-by-step instructions.
Ensure compatibility with your SIP provider and verify correct provisioning for optimal performance. Proper configuration unlocks the full potential of the J159 within a flexible Open SIP infrastructure.
Using Avaya J159 in Open SIP Release 4.0.11
This document outlines utilizing the Avaya J159 IP Phone’s features within an Open SIP Release 4.0.11 environment. Successful implementation demands careful attention to SIP settings, including transport protocols and security configurations. Verify network connectivity and DNS resolution for reliable call signaling.
Proper provisioning files are crucial for automatic configuration, streamlining the setup process. Refer to the comprehensive guide for detailed instructions and troubleshooting tips to maximize functionality.
Troubleshooting Common Issues
Addressing common problems ensures optimal Avaya J159 performance. No dial tone often indicates network connectivity issues or incorrect line registration; verify cabling and provisioning. Poor audio quality can stem from bandwidth limitations, codec mismatches, or network congestion—test with different codecs and assess network load.
Restarting the phone frequently resolves temporary glitches. Consult the manual for advanced diagnostics and contact support if issues persist, providing detailed error descriptions.
No Dial Tone
Experiencing no dial tone on your Avaya J159 suggests a connectivity problem. First, check the physical connection of the network cable to both the phone and the network port, ensuring it’s securely seated. Verify the phone has successfully registered with the Avaya system—check provisioning settings.
Confirm network access by testing other devices on the same network. If the issue persists, contact your system administrator to investigate potential network or server-side configurations.
Poor Audio Quality
If you encounter poor audio quality with your Avaya J159, several factors could be at play. Begin by checking your headset or handset for damage and ensuring a secure connection. Verify your network connection’s stability, as bandwidth limitations or packet loss can degrade audio.
Adjust the volume settings on the phone and within the Avaya system. Contact your IT administrator to investigate potential Quality of Service (QoS) configurations or network congestion issues.
Factory Reset and Default Settings
Performing a factory reset on your Avaya J159 restores the phone to its original default settings, erasing all personalized configurations. This is useful for troubleshooting or preparing the phone for a new user. Note that this process requires specific procedures, often involving button combinations or administrative access.
Before resetting, document your current settings. Consult your system administrator or the full user guide for detailed instructions, as incorrect procedures may render the phone unusable. A reset will revert the phone to its shipped state.
Software Updates and Firmware
Maintaining up-to-date software and firmware on your Avaya J159 is crucial for optimal performance, security, and access to the latest features. Updates often address bug fixes, enhance compatibility with Avaya Cloud Office, and improve overall system stability.
Typically, updates are deployed by your system administrator. Check with them regarding the update schedule and any potential impact on your phone’s functionality. Regular updates ensure a secure and reliable communication experience.
Avaya J159 Specifications
The Avaya J159 is a robust IP phone designed for diverse communication needs. It supports multiple lines, offering flexibility for handling various calls simultaneously. The phone features a high-resolution display for clear visibility and an adjustable stand for comfortable viewing.
Connectivity includes Gigabit Ethernet for fast network speeds. Power is supplied via Power over Ethernet (PoE), simplifying installation. It’s a reliable device, built for both everyday use and integration with Avaya’s unified communications platforms.
Safety and Regulatory Information

The Avaya J159 phone adheres to stringent safety standards, ensuring user well-being. It’s designed to operate within specified temperature and humidity ranges. Users should avoid exposing the device to liquids or extreme conditions.
Regulatory compliance includes certifications for electromagnetic compatibility and safety. Proper disposal of the device is crucial, following local environmental regulations. Refer to the full manual for detailed safety precautions and compliance information, guaranteeing responsible usage.
PDF Manual Availability and Download

A comprehensive 198-page PDF version of the Avaya J159 user manual is readily accessible for download. This digital resource provides detailed instructions, troubleshooting guides, and specifications. Users can easily access it online through Avaya’s support website or partner portals.
The PDF format ensures compatibility across various devices, enabling convenient offline access. Downloading the manual allows users to quickly reference information and maximize their Avaya J159 experience.
Avaya OneCloud Compatibility

The Avaya J159 IP phone demonstrates full compatibility with the Avaya OneCloud platform, offering a unified communications experience. OneCloud integrates a full suite of Avaya products, delivering unified communications, collaboration, and CPaaS capabilities.
This integration provides seamless access to advanced features, enhancing productivity and streamlining workflows. Users benefit from a consistent and reliable communication solution across all devices and locations within the Avaya ecosystem.
J159 Telephone Instructions — Beacon LED Details

The Avaya J159 utilizes a beacon LED to provide visual alerts for important events. A red light indicates incoming calls or new voicemail messages, offering immediate notification without audio disruption. This feature ensures users don’t miss critical communications, even in noisy environments.

The LED serves as a quick visual indicator of phone status, simplifying communication management. Understanding these signals enhances user experience and promotes efficient call handling within the Avaya system.
IP Office J159 End User Guide Highlights
The IP Office J159 End User Guide focuses on the main phone screen and menu structure, enabling efficient navigation. It details how to make and receive calls, utilize call holding and transferring, and manage voicemail effectively.
The guide also covers accessing Avaya Cloud Office, including direct number dialing and utilizing the main office number. It’s designed to empower users with the knowledge to maximize the phone’s capabilities.
Avaya J-Series Telephone Overview
The Avaya J-Series, including the J159, delivers robust voice communication capabilities. These telephones are designed for everyday use, offering a user-friendly experience with a focus on clarity and reliability.
The J159 features a beacon LED for visual alerts, indicating incoming calls and voicemail messages. It supports both Avaya Cloud Office and Open SIP environments, providing flexibility and integration options for diverse communication needs.
Language Support and Internationalization
The Avaya J159 telephone is designed with global communication in mind, though specific language support details aren’t explicitly detailed in readily available documentation. However, its integration with Avaya OneCloud suggests potential for multi-lingual capabilities within the broader platform.
Considering Avaya’s presence at events like GITEX, supporting communication for over 1000 languages, the J159 likely benefits from the overall system’s internationalization features, facilitating diverse user experiences.