Avaya Phone 2420 Phone Manual

The Avaya 2420 is a digital deskphone designed for use with Avaya IP Office and other compatible communication systems. It features a 2-line display, 24 programmable buttons, speakerphone, headset support, and multiple call handling features. 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 Devices 7. Advanced Call Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Handset, Base Unit, Display, Programmable Buttons, Volume Controls, Speakerphone, Headset Jack.

Feature	Description
Display	2-line, 24-character backlit LCD for call information
Programmable Buttons	24 buttons for line appearances, speed dial, features
Speakerphone	Full-duplex hands-free communication
Headset Jack	2.5mm jack for headset connectivity
Volume Controls	Separate controls for handset, speaker, ringer
Message Waiting Indicator	LED for voicemail alerts
Mute	Mutes microphone during calls
Hold	Places active call on hold
Conference	Allows multi-party conference calls
Transfer	Transfers calls to another extension

Installation

Unpack and inspect contents. Place phone on stable surface near power and network connection.

Connect to network: Use Ethernet cable to connect phone to LAN port.
Connect handset: Plug coiled handset cord into handset jack.
Connect power: Use provided power adapter to AC outlet.
Optional headset: Plug 2.5mm headset into headset jack.

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

First-Time Setup

Power on phone; wait for system registration.

Check registration: Display should show extension number when ready.
Set date/time: Configure through system administrator if not automatic.
Program buttons: Use ADMIN or system programming to assign functions.
Adjust volumes: Use volume controls to set handset, speaker, ringer levels.

CAUTION! Do not place phone in direct sunlight or near heat sources.

Specifications

Display: 2-line, 24-character backlit LCD.
Buttons: 24 programmable feature buttons.
Audio: Full-duplex speakerphone, handset, headset support.
Connections: Ethernet (10/100BASE-T), handset, headset, power.
Power: 48V DC via power adapter or Power over Ethernet (PoE).
Protocols: Supports Avaya digital and IP protocols.
Operating Temp: 32°F to 104°F (0°C to 40°C).
Humidity: 10% to 95% non-condensing.

Controls and Settings

Access features via button presses and display menus. Front Panel: Handset, Display, Programmable Buttons, Volume Controls, Mute, Hold, Speakerphone.

Button Functions: Line appearances show call status; feature buttons access speed dial, call park, etc.

Display Menus: Navigate with feature buttons or softkeys. Settings: Ringer type/volume, display contrast, button programming. Call Handling: Answer, end, hold, transfer, conference.

Connecting Devices

Network: Ethernet to switch/router. Handset: Standard RJ9 connector. Headset: 2.5mm plug.

Ensure phone is powered off before connecting cables.
Connect Ethernet cable to LAN port on phone and network jack.
Connect handset cord to phone and handset.
Plug power adapter into phone and AC outlet.

Tip: For PoE, ensure switch provides 802.3af power; no adapter needed.

Advanced Call Features

Supports call hold, transfer, conference, forwarding.

Hold: Press HOLD button during call.
Transfer: Press TRANSFER, dial number, press TRANSFER again.
Conference: Press CONFERENCE, dial first party, press CONFERENCE, dial second party, press CONFERENCE to connect.
Call Forward: Program via feature code or system administrator.
Speed Dial: Program buttons for one-touch dialing.
Voicemail: Press MESSAGE button or dial voicemail access number.
Redial: Press REDIAL or last number dialed.
Mute: Press MUTE to disable microphone.

WARNING! Do not use liquid cleaners on buttons or display.

Accessibility Features

Ringer Volume Adjustment: Use volume control. Display Contrast: Adjust in settings menu. Hearing Aid Compatible: Handset meets FCC standards.

Care & Cleaning

Unplug power before cleaning. Use dry, soft cloth; mild detergent if needed.

CAUTION! Do not spray liquids directly on phone; avoid abrasive cleaners.

Regulatory Information

FCC Part 68: Registered for connection to telephone network. UL Listed: Meets safety standards. For support, visit www.avaya.com/support or contact your system administrator.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No display/power	Power connection	Check power adapter/Ethernet connection; ensure outlet works.
No dial tone	Line configuration	Check network cable; contact administrator for line assignment.
Can't make/receive calls	Network/system	Verify phone is registered; restart phone; check system status.
Poor audio quality	Connections/network	Check handset/headset cords; ensure network quality.
Buttons not working	Programming	Reset to defaults; reprogram via administrator.

Reset: Unplug power, wait 10 seconds, replug.

Service: Contact system administrator or Avaya support.