Avaya 1608-I

Avaya 1608-I IP Telephone User Manual

Model: 1608-I | Brand: Avaya

Introduction

This manual provides comprehensive instructions for the setup, operation, and maintenance of your Avaya 1608-I IP Telephone. Please read this guide thoroughly to ensure proper use and to maximize the functionality of your device.

Setup

Package Contents

Avaya 1608-I IP Telephone unit
Handset
Handset cord
Ethernet cable (may be sold separately)
Desk stand

Physical Installation

Attach the Desk Stand: Align the desk stand with the slots on the back of the telephone unit and snap it into place.
Connect the Handset: Plug one end of the coiled handset cord into the handset and the other end into the handset port on the telephone base.
Connect to Network:
- Connect one end of an Ethernet cable to the LAN port on the back of the telephone.
- Connect the other end of the Ethernet cable to your network switch or router.
- If using a computer through the phone, connect a second Ethernet cable from the PC port on the phone to your computer's network port.
Power On: The phone typically receives power over Ethernet (PoE). If PoE is not available, connect an optional power adapter (sold separately) to the power port on the phone.
Initial Boot-up: The phone will power on and begin its boot-up sequence. This may take a few minutes as it connects to the network and registers with your IP PBX system.

Avaya 1608-I IP Telephone with handset and keypad visible

Figure 1: Avaya 1608-I IP Telephone. This image displays the front view of the telephone, showing the display screen, keypad, navigation buttons, and handset. The phone is black with a green backlit screen displaying "7286 12:06PM 12/13 a 7286". Key features like Message, Phone/Exit, Hold, Conference, Transfer, Redial, Speaker, Mute, Volume, and Headset buttons are visible.

Operating Instructions

Making and Receiving Calls

To Make a Call: Lift the handset, press a line appearance button, or press the Speaker button, then dial the number.
To Answer a Call: Lift the handset, press the Speaker button, or press the flashing line appearance button.
To End a Call: Replace the handset or press the Speaker button if using speakerphone.

Keypad and Navigation

The telephone features a standard 12-button dial pad, along with dedicated function buttons and a navigation cluster.

Navigation Cluster (OK button with arrows): Use the up, down, left, and right arrows to navigate menus and lists on the display. Press OK to select an item.
Message Button: Access your voicemail messages.
Phone/Exit Button: Return to the main phone screen or exit a menu.
Menu Button: Access phone settings and options.
Contacts Button: Access your personal and system contact directories.
Call Log Button: View recent incoming, outgoing, and missed calls.
Redial Button: Redial the last number called.

Call Management Features

Hold: Press the HOLD button to place an active call on hold. Press the flashing line button to retrieve the call.
Transfer: During an active call, press the TRANSFER button, dial the new number, and then press TRANSFER again to complete.
Conference: During an active call, press the CONFERENCE button, dial the number of the party to add, and then press CONFERENCE again to join all parties.
Mute: Press the MUTE button to mute your microphone during a call. Press again to unmute.
Speaker: Press the SPEAKER button to use the speakerphone.
Headset: Press the HEADSET button to use a connected headset.
Volume: Use the VOLUME buttons to adjust the handset, speaker, or ringer volume.

Maintenance

Cleaning the Telephone

Use a soft, dry, lint-free cloth to clean the phone's exterior.
For stubborn marks, slightly dampen the cloth with water. Do not use harsh chemicals, abrasive cleaners, or solvents.
Avoid spraying liquids directly onto the phone.

Environmental Considerations

Keep the telephone away from direct sunlight, heat sources, and excessive moisture.
Ensure proper ventilation around the device.

Troubleshooting

Problem	Possible Cause	Solution
Phone does not power on.	No Power over Ethernet (PoE) or power adapter not connected.	Verify Ethernet cable is securely connected to a PoE-enabled port, or ensure optional power adapter is connected and functional.
No dial tone.	Network connectivity issue or phone not registered.	Check Ethernet cable connection. Contact your system administrator to verify network settings and phone registration.
Cannot hear caller / Caller cannot hear me.	Volume too low, Mute activated, or faulty handset/headset.	Adjust volume. Check if Mute button is active. Test with speakerphone or another handset/headset if available.
Display is blank or frozen.	Software issue or power interruption.	Disconnect and reconnect the Ethernet cable (or power adapter) to restart the phone. If the issue persists, contact support.

Specifications

Feature	Detail
Brand	Avaya
Model Number	1608-I (700458532)
Product Dimensions	11.1 x 9.8 x 3.2 inches
Item Weight	2.4 pounds
Display Screen	3.5" LCD - Backlight, 3 lines, 24 Characters (Visible screen diagonal: 4" / 9 cm)
Color	Black
Telephone Type	Corded IP Phone
Power Source	Corded Electric (PoE or optional power adapter)
Interfaces/Ports	2 x RJ-45 10/100Base-T PoE LAN (Note: Not 10/100/1000Base-T as sometimes listed)
Compatible Devices	Computer systems, VoIP services (requires Avaya IP PBX system)
Conference Call Capability	Basic

Support and Warranty

For technical assistance or warranty information, please contact your Avaya system administrator or authorized Avaya reseller. Specific warranty terms may vary by region and purchase agreement.

Additional resources and documentation may be available on the official Avaya support website.

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