Avaya Phone Manual 9640

The Avaya 9640 is a high-performance IP deskphone designed for business environments, featuring a large color display, advanced call handling capabilities, support for multiple lines, and integration with Avaya communication systems. Below are key sections covering 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. Making and Managing Calls 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Large color display, programmable feature keys, handset with headset port, Ethernet ports, and power adapter.

Feature	Description
Display	High-resolution color LCD for call information and menus
Programmable Keys	Configurable for speed dial, line appearances, and features
Handset/Headset Port	Standard handset and optional headset connectivity
Ethernet Ports (2)	10/100 Mbps for network and PC pass-through
Power	External power adapter or Power over Ethernet (PoE)
Audio Quality	Wideband audio support for superior sound
Message Waiting Indicator	LED for visual voicemail notification
Volume Controls	Separate controls for handset, speaker, and ringer
Conference Capability	Support for multi-party conference calls
Hold/Transfer	Standard call handling features

Installation

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

Connect to network: Use Ethernet cable from switch/router to phone's LAN port.
Connect PC (optional): Use second Ethernet cable from phone's PC port to computer.
Connect handset: Plug coiled handset cord into handset jack.
Connect power: Use provided power adapter or ensure PoE is available on network.
Power on: Phone will boot and attempt to register with communication server.

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

First-Time Setup

After powering on, follow prompts on display.

Network registration: Phone should auto-configure via DHCP. If not, enter server IP manually.
Extension assignment: Your administrator will provide extension number and credentials.
Set preferences: Use phone menu to set language, time/date, ring tones, and volume levels.
Program keys: Assign frequently used numbers or features to programmable keys.
Test call: Make a test call to verify audio and connection.

CAUTION! Do not attempt internal repairs. Contact qualified service personnel.

Specifications

Model: Avaya 9640 IP Deskphone.
Display: Color graphic LCD with backlight.
Network: 10/100 Mbps Ethernet, TCP/IP, SIP support.
Audio: Wideband audio, G.711, G.729 codecs.
Power: 48V DC via external adapter or IEEE 802.3af PoE.
Physical: Desk mountable, standard handset.
Environmental: Operating temperature 0°C to 40°C.
Protocols: Supports Avaya Communication Manager, SIP.
Compliance: FCC Part 15, CE, UL/CSA.

Controls and Settings

Access menu via "Menu" softkey or dedicated button. Navigation: Use arrow keys and "Select".

Front Panel: Display, softkeys, navigation cluster, volume controls, mute, headset, speakerphone.

Basic Settings: User Preferences (language, contrast, ring tone). Call Settings (forwarding, call waiting). Network Settings (view IP, server status). Programmable Keys: Assign via menu or web interface. Audio Settings: Adjust handset, speaker, ringer volume independently.

Connecting to Network

Requires IP network connection to communication server.

Ensure network switch/router is powered and operational.
Connect Ethernet cable from network to phone's LAN port.
For PC connection, use phone's PC port to daisy-chain to computer.
Power via PoE or external adapter.
Phone will display boot progress and registration status.

Tip: Contact your network administrator for correct VLAN or QoS settings if needed.

Making and Managing Calls

Basic call handling operations.

Make call: Lift handset or press Speaker, dial number, press Dial or wait.
Answer call: Lift handset, press Speaker, or press Answer softkey.
End call: Hang up handset or press End Call.
Hold: Press Hold button; resume with Resume softkey.
Transfer: During call, press Transfer, dial target, press Transfer again.
Conference: During call, press Conference, dial second party, press Conference again to merge.
Redial: Press Redial to call last dialed number.
Voicemail: Press Messages or dial voicemail access number.

WARNING! Emergency calls may require direct dialing; know your local emergency number.

Accessibility Features

Visual alerts: Flashing LED for incoming calls. Audio adjustments: Independent volume controls for ringer, handset, speaker. Headset mode: For hands-free operation. Large font option: Available in display settings.

Care & Cleaning

Unplug power before cleaning. Use slightly damp, lint-free cloth. Do not use abrasive cleaners or sprays.

CAUTION! Avoid moisture entering vents or ports. Keep away from extreme heat or cold.

Regulatory Information

FCC Part 15: Class A digital device. Complies with limits for business environments. This device may not cause harmful interference and must accept any interference received. Copyright © Avaya Inc. All rights reserved. For technical support, visit support.avaya.com or contact your system administrator.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power/no display	Power source	Check power adapter connection; try different outlet; verify PoE switch.
No network registration	Network/Ethernet cable	Check Ethernet cable; confirm DHCP/server reachable; reboot phone.
No dial tone	Registration/line	Ensure phone is registered; check with administrator; verify line assignment.
Poor audio quality	Network/headset	Check for network congestion; try different handset/headset; adjust volume.
Keys not responding	Software	Reset phone via menu (Settings > Reset); contact administrator.

Reset: Menu > Settings > Advanced > Reset Options (may require admin password).

Service: Contact your system administrator or Avaya support.