Avaya Phone Manual J139

The Avaya J139 is a business IP deskphone designed for reliable voice communication in professional environments. It features a high-quality handset, a clear display, programmable line/feature keys, support for Power over Ethernet (PoE), and integration with Avaya communication platforms. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting to Network 7. Basic Call Handling 8. Advanced Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: LCD display, Handset, Programmable keys, Message Waiting Indicator, Ethernet ports, Headset jack.

Feature	Description
Display	Backlit LCD for call information and menus
Programmable Line/Feature Keys	Configurable for line appearances, speed dial, or features
Handset	Full-duplex speakerphone with noise cancellation
Headset Jack	For connecting a wired headset (optional)
Ethernet Ports (2)	LAN and PC ports for network daisy-chaining
Power over Ethernet (PoE)	Supported (IEEE 802.3af) or via optional power adapter
Message Waiting Indicator	LED to show new voicemail
Volume Controls	For handset, speaker, and ringer volume adjustment
MUTE	Mutes the microphone
HOLD	Places an active call on hold

Installation

Unpack and inspect contents. Place on a stable, flat surface.

Connect to Network: Plug an Ethernet cable from your network switch into the LAN port on the phone.
Connect a Computer (Optional): Plug an Ethernet cable from the PC port on the phone to your computer.
Power the Phone: Use Power over Ethernet (PoE) from the switch, or connect the optional power adapter to the DC port.
Connect Handset: Plug the handset cord into the dedicated jack.
Connect Headset (Optional): Plug a wired headset into the headset jack.

WARNING! Use only the approved Avaya power adapter. Ensure cables are routed to avoid tripping hazards.

First-Time Setup

The phone will boot and attempt to register with the IP Office or communication server.

Initial Boot: Wait for the phone to complete its startup sequence. The display will show boot progress.
Check Registration: The extension number and name should appear on the idle screen once registered.
Set Date/Time: Usually configured automatically via the server.
Adjust User Preferences: Use the phone's menu to set ring tone, volume, and contrast.
Program Keys: Assign line appearances or speed dial numbers to programmable keys via the web interface or system administrator.

CAUTION! Do not unplug the phone during firmware updates. Contact your system administrator for network configuration.

Specifications

Model: Avaya J139 IP Deskphone.
Protocols: SIP, H.323 (depending on configuration).
Network: 10/100 Mbps Ethernet, IEEE 802.3af PoE.
Audio: Wideband audio support (G.722), Acoustic Echo Cancellation.
Display:Backlit graphical LCD.

Programmable Keys: Multiple configurable keys.

Connectors: 2x RJ45 Ethernet, RJ9 handset, 3.5mm headset, DC power.

Power Source: PoE (IEEE 802.3af) or 48V DC adapter.

Operating Environment: Standard office conditions.

Controls and Settings

Access menus via the NAVIGATION button and softkeys. Front Buttons: MUTE, HOLD, VOLUME UP/DOWN, NAVIGATION cluster, programmable keys.

Softkey Functions: Change based on phone state (Idle, Active Call, In Menu). Common options: Dial, More, Directory, Options, Exit.

Settings Menu: Use NAVIGATION button to access. - User Preferences: Ring Tone, Volume (Ringer/Handset/Speaker), Display Contrast, Language. - Call Settings: Call Forwarding, Do Not Disturb. - Network (Admin): IP configuration, Server address (typically pre-configured).

Connecting to Network

Primary connection is via the LAN port for data and PoE.

Ensure the network switch supports PoE or have the power adapter ready.

Connect the Ethernet cable from the switch to the phone's LAN port.

For a computer, connect a cable from the phone's PC port to the computer's network port.

Power on. The phone should obtain an IP address via DHCP.

Tip: The PC port provides a network pass-through, allowing your computer to share the phone's network connection.

Basic Call Handling

Making, answering, and managing calls.

Make a Call: Lift handset or press Speaker. Dial number using keypad, then press Dial softkey or wait.

Answer a Call: Lift handset, press Speaker, or press the flashing line key/Answer softkey.

End a Call: Hang up handset, press Speaker button, or press EndCall softkey.

Hold: Press HOLD button during a call. Press the held line key or Resume softkey to retrieve.

Mute: Press MUTE button to turn microphone off (LED lights). Press again to unmute.

Adjust Volume: Use VOLUME UP/DOWN buttons during a call (for handset/speaker) or when idle (for ringer).

Transfer a Call: During a call, press Transfer, dial the target number, then press Transfer again or just hang up (depending on system configuration).

WARNING! Do not use excessive force on buttons or handset cradle.

Advanced Features

Call Forwarding: Set via menu or feature code to forward calls to another number. Do Not Disturb: Activate via menu to send calls directly to voicemail. Directory: Access corporate or personal directory via the Directory softkey. Conference: Use Conference softkey to add multiple parties to a call (consult system admin for feature access). Programmable Keys: Configure via web interface for speed dial, busy lamp field (BLF), or feature access.

Care & Cleaning

Disconnect power before cleaning. Use a soft, dry cloth to wipe the casing and display. For stubborn marks, slightly dampen the cloth with water. Do not use abrasive cleaners, solvents, or sprays directly on the phone.

CAUTION! Never allow liquid to enter any openings. Keep the phone away from extreme heat, cold, or humidity.

Regulatory Information

FCC Part 15: Class A digital device. Complies with limits for business environments. This equipment generates, uses, and can radiate radio frequency energy. CE Marked. For support, contact your system administrator or visit support.avaya.com. Avaya and the Avaya logo are trademarks of Avaya Inc.

Troubleshooting

Symptom Possible Cause Corrective Action

No power, display is blank Power/PoE issue Check Ethernet cable is secure. Verify switch provides PoE or connect power adapter.

"No Service" or "Registering" on display Network/Server issue Check network cables. Confirm phone has correct IP address. Contact system administrator.

No dial tone Registration/Line issue Ensure phone is registered. Check with administrator that your extension is active.

Can't hear/be heard Volume/Mute/Handset Adjust volume. Check MUTE light is off. Ensure handset cord is fully plugged in.

Keys not responding Phone lockup Disconnect power for 10 seconds, then reconnect to reboot.

Computer has no network PC port cable Ensure cable is connected between PC port and computer. Reboot both devices.

Reset: For factory reset (clears all settings), consult system administrator as procedure varies.

Service: Contact your system administrator or Avaya support. Do not attempt to open or repair the unit yourself.

Avaya Phone Manual J139 © - All Rights Reserved 2025

Symptom	Possible Cause	Corrective Action
No power, display is blank	Power/PoE issue	Check Ethernet cable is secure. Verify switch provides PoE or connect power adapter.
"No Service" or "Registering" on display	Network/Server issue	Check network cables. Confirm phone has correct IP address. Contact system administrator.
No dial tone	Registration/Line issue	Ensure phone is registered. Check with administrator that your extension is active.
Can't hear/be heard	Volume/Mute/Handset	Adjust volume. Check MUTE light is off. Ensure handset cord is fully plugged in.
Keys not responding	Phone lockup	Disconnect power for 10 seconds, then reconnect to reboot.
Computer has no network	PC port cable	Ensure cable is connected between PC port and computer. Reboot both devices.