1. Introduction
Welcome to the user manual for your Unify Openscape CP400 Desktop Phone. This document provides essential information for setting up, operating, maintaining, and troubleshooting your device. Please read these instructions carefully to ensure optimal performance and longevity of your phone.
The Unify Openscape CP400 is a corded desktop phone designed for professional communication environments. It features a clear display and programmable keys to enhance your daily communication tasks.
2. Product Overview
The Unify Openscape CP400 desktop phone is equipped with features designed for efficient communication.
Key Features:
- 3.7" Monochrome Graphical Tiltable Display
- 16 Programmable Function Keys with LED indicators
- 2 Fixed Function Keys
- Full Duplex Hands-Free Operation
Phone Components:


3. Setup
Follow these steps to set up your Unify Openscape CP400 Desktop Phone.
3.1 Unpacking and Placement
- Carefully remove all components from the packaging.
- Place the phone on a stable, flat surface. Ensure adequate ventilation around the device.
- Adjust the integrated stand to your preferred viewing angle.

3.2 Connections
- Connect the Handset: Plug one end of the coiled handset cord into the handset and the other end into the designated handset port on the phone base.
- Connect to Network: Connect an Ethernet cable from your network jack to the LAN port on the back of the phone.
- Connect Power: Plug the power adapter into the power port on the phone and then into a suitable electrical outlet. The phone will power on automatically.
The phone will initiate its startup sequence. Once complete, it should display network status or be ready for configuration by your system administrator.
4. Operating Instructions
This section covers basic operation of your Unify Openscape CP400 Desktop Phone.
4.1 Making a Call
- Lift the handset or press the Speakerphone button to activate hands-free mode.
- Dial the desired phone number using the numeric keypad.
- The call will connect automatically after dialing, or you may need to press a Dial or OK button depending on your system configuration.
4.2 Answering a Call
- When the phone rings, lift the handset or press the Speakerphone button to answer in hands-free mode.
- Alternatively, press the flashing line key associated with the incoming call.
4.3 Using Programmable Function Keys
The 16 programmable function keys (located on the right side of the phone) can be configured for various functions such as speed dial, line appearance, or feature access. Consult your system administrator for specific programming details.
4.4 Display and Navigation
The 3.7" monochrome display shows call information, menu options, and status indicators. Use the navigation cluster (up, down, left, right arrows, and OK button) to navigate through menus and select options.
5. Maintenance
Proper maintenance ensures the longevity and optimal performance of your phone.
5.1 Cleaning
- Disconnect the phone from the power source before cleaning.
- Use a soft, damp cloth to wipe the phone's surfaces. Avoid abrasive cleaners or solvents, as they can damage the Acrylonitrile Butadiene Styrene (ABS) material.
- Do not spray cleaning liquids directly onto the phone.
5.2 General Care
- Avoid exposing the phone to extreme temperatures, direct sunlight, or high humidity.
- Do not drop the phone or subject it to strong impacts.
- Keep liquids away from the device to prevent internal damage.
6. Troubleshooting
This section provides solutions to common issues you might encounter.
6.1 No Dial Tone
- Ensure the power adapter is securely connected to the phone and the electrical outlet.
- Verify that the Ethernet cable is properly connected to both the phone's LAN port and the network jack.
- Check if your network connection is active.
6.2 Display Not Working
- Confirm the phone is receiving power.
- Try disconnecting and reconnecting the power adapter.
- If the issue persists, contact your system administrator.
6.3 Cannot Make or Receive Calls
- Check all cable connections (power, network, handset).
- Ensure the phone is registered with your communication system. This may require assistance from your system administrator.
- Verify that your account is active and not experiencing service interruptions.
For more complex issues, please contact your IT department or system administrator.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | Unify |
| Model Number | L30250-F600-C427 |
| Color | Black |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Power Source | Corded Electric |
| Product Weight | 798 g (1.76 lbs) |
| Phone Type | Corded |
| Dialer Type | Single Keypad |
| Answering System Type | Digital |
| Call Capacity | Basic |
| Multi-line Operation | Single-line Operation |
| Display | 3.7" Monochrome Graphical, Tiltable |
| Programmable Keys | 16 with LED |
| Fixed Function Keys | 2 |
| Hands-Free | Full Duplex |
8. Warranty and Support
For information regarding the warranty of your Unify Openscape CP400 Desktop Phone, please refer to the warranty card included with your purchase or contact your reseller or Unify directly.
For technical support, configuration assistance, or advanced troubleshooting, please contact your organization's IT department or authorized Unify service provider.





