Avaya Phone Manual 2420

The Avaya 2420 is a digital deskphone designed for use with Avaya IP Office and other compatible communication systems. It features a 2-line by 24-character backlit display, 24 programmable buttons, speakerphone, headset support, and robust call handling features. Below are key sections covering features, installation, configuration, operation, and troubleshooting.

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

Features at a Glance

Key components: Main unit with display and keypad, handset, base, power adapter, and line cord.

Feature	Description
Display	2-line by 24-character backlit LCD
Programmable Buttons	24 buttons for line appearances, speed dials, or feature access
Speakerphone	Full-duplex for hands-free conversation
Headset Port	RJ-9 connector for headset use
Message Waiting Indicator	LED for visual voicemail notification
Volume Controls	Separate controls for handset, speaker, and ringer
MUTE	Button to mute microphone during a call
HOLD	Button to place calls on hold
CONFERENCE	Button to initiate conference calls
TRANSFER	Button to transfer calls to another extension

Installation

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

Connect to network: Plug the line cord into the network jack (LAN) and the phone's LINE port.
Connect handset: Attach the coiled handset cord to the handset and HANDSET port.
Connect power: Plug the power adapter into the DC IN port and a wall outlet.
Optional headset: Plug a headset into the HEADSET port.

WARNING! Use only the provided power adapter. Ensure cables are not pinched or damaged.

First-Time Setup

Power on the phone; it will boot and register with the telephone system.

Check registration: The display should show your extension number and system name.
Set date and time: Usually configured automatically by the system.
Program buttons: Use the system administrator software or phone menu to assign functions.
Adjust volume: Use volume keys to set handset, speaker, and ringer levels.

CAUTION! Do not disconnect power during boot-up. Contact your system administrator for configuration.

Specifications

Type: Digital Deskphone.
Display: 2 x 24 backlit LCD.
Network Interface: Single LAN port (10/100 Mbps).
Audio: Wideband audio support, G.711, G.729 codecs.
Programmable Buttons: 24 with dual-color LEDs.
Connectors: RJ-45 (LAN), RJ-9 (handset/headset), DC power.
Power Source: 48V DC via external power adapter or Power over Ethernet (PoE).
Operating Temperature: 32°F to 104°F (0°C to 40°C).
Compliance: FCC Part 68, UL/CSA.

Controls and Settings

Access settings via the MENU button and navigation keys. Front Panel: Handset, Speaker, Mute, Hold, Volume keys, Programmable buttons.

Key Functions: NAVIGATION arrows, MENU, EXIT, HELP, MESSAGE, CONFERENCE, TRANSFER, REDIAL, HOLD, MUTE, SPEAKER, HEADSET.

Menu Settings: User Preferences (ringer type/volume, display contrast, language). Button Programming: Assign line appearances, speed dials, call park, busy lamp field (BLF). System Features: Call forwarding, do not disturb, call waiting, caller ID.

Connecting Devices

Network: RJ-45 to LAN. Handset: RJ-9. Headset: RJ-9 to HEADSET port. Power: DC adapter or PoE.

Ensure phone and system are powered off before connecting.
Match cables to correct ports (e.g., handset to HANDSET).
For PoE, connect LAN cable to a PoE switch or injector.

Tip: Use a surge protector for power connections. Verify network connectivity with your administrator.

Advanced Call Features

Supports standard and advanced telephony features.

Make a call: Lift handset or press SPEAKER/HEADSET, dial number.
Answer a call: Lift handset, press SPEAKER, or press the flashing line button.
Hold: Press HOLD to place call on hold; press again or line button to retrieve.
Transfer: Press TRANSFER, dial target number, announce, press TRANSFER again to complete.
Conference: Press CONFERENCE, dial first party, press CONFERENCE again, dial second party, press CONFERENCE to connect all.
Call Forwarding: Access via menu or feature code (e.g., *72).
Speed Dial: Store numbers on programmable buttons for one-touch dialing.
Redial: Press REDIAL to call last dialed number.

WARNING! Do not use excessive force on buttons or handset cord. Keep liquids away from phone.

Accessibility Features

Visual Alerts: Flashing LEDs for incoming calls and messages. Audio Adjustments: Independent volume controls for ringer, handset, speaker. TTY Compatible: Can be used with TTY devices via adapter. Large, tactile buttons for ease of use.

Care & Cleaning

Unplug power before cleaning. Use a soft, dry cloth. For stubborn dirt, dampen cloth with water only; do not use solvents.

CAUTION! Do not spray cleaners directly on phone. Avoid abrasive materials.

Regulatory Information

FCC Part 68: Registered for connection to the telephone network. Complies with limits for Class B digital devices. Copyright © Avaya Inc. All rights reserved. For technical support, visit support.avaya.com or contact your system administrator. This product may be covered by one or more patents. See avaya.com/patents.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power/no display	Power adapter, cable, outlet	Check power connections; try different outlet; verify PoE switch power.
No dial tone	Line cord, network, configuration	Ensure line cord is secure; contact administrator for network/config check.
Display is blank/dim	Brightness setting, power	Adjust display contrast in menu; check power.
Cannot make/receive calls	Registration, network	Check if extension is registered on system; restart phone.
Poor audio quality	Handset cord, network, volume	Check handset connection; adjust volume; report to administrator for network check.
Buttons not working	Software, physical damage	Restart phone; if persistent, contact administrator.

Reset: Menu > Settings > Reset to default (may require admin password).

Service: Contact your system administrator or Avaya support.