Product Overview
The AudioCodes C450HD IP Phone is a high-end executive business phone designed for seamless integration with Microsoft Teams, Skype for Business, and Zoom Phone environments. It features a large color touchscreen and offers full Unified Communications (UC) capabilities. This device provides HD voice quality and supports single-click switchover between Microsoft Teams and Skype for Business, ensuring a native client experience. The C450HD is equipped with integrated Wi-Fi and USB support, making it a versatile communication tool for modern office settings.
This image displays the AudioCodes C450HD IP Phone from a slightly elevated angle, showcasing its black finish, the coiled cord connecting the handset to the base, and the large color touchscreen. The screen shows a user interface with options to 'Make a phone call' and 'Find your call history and make calls'. The phone features a numeric keypad, function buttons, and a navigation cluster.
Key Features
- Display: Graphical 5" Color Touchscreen (1280 x 720)
- Single-click switchover between Microsoft Teams and Skype for Business
- Supports 8 lines and 8 concurrent calls per line
- Touch screen user interface enabling up to 8 programmable keys
- High voice quality / Full duplex speaker phone
- Phone is PoE powered; External Power Supply is Optional
- Gigabit Support / Expansion module support / WiFi Support
- Microsoft Teams and Skype for Business native
- Firmware upgrade via USB stick
- Multi-language user interface
Setup Guide
Package Contents
Before you begin, ensure all components are present in the package:
- AudioCodes C450HD IP Phone Unit
- Handset
- Handset Cord
- Ethernet Cable
- Desk Stand
- (Optional) AC Power Adapter (if not using Power over Ethernet)
Physical Connection
- Attach the Desk Stand: Securely attach the desk stand to the back of the phone unit.
- Connect the Handset: Plug one end of the coiled handset cord into the handset and the other end into the handset port on the phone base.
- Connect to Network: Connect one end of the Ethernet cable to the LAN port on the phone and the other end to a network switch or router. If your network supports Power over Ethernet (PoE), the phone will power on automatically.
- Connect Power (if no PoE): If PoE is not available, connect the optional AC power adapter to the power port on the phone and then to a power outlet.
- Initial Boot-up: The phone will power on and begin its boot-up sequence. This may take a few minutes.
Initial Configuration
Upon first boot-up or after a factory reset, the phone may prompt you for initial network settings or account credentials. Follow the on-screen instructions to configure network parameters (DHCP is usually default) and log in with your Microsoft Teams, Skype for Business, or Zoom Phone account details provided by your IT administrator. This typically involves entering your username and password via the touchscreen.
Operating Instructions
Basic Call Functions
- Making a Call:
- Lift the handset or press the Speakerphone button.
- Dial the desired number using the keypad.
- Press the Call button (often a green phone icon) on the screen or keypad.
- Answering a Call:
- When the phone rings, lift the handset or press the Answer button on the screen or the Speakerphone button.
- Ending a Call:
- Replace the handset or press the End Call button (often a red phone icon) on the screen.
- Placing a Call on Hold: During an active call, press the Hold button. Press it again to resume the call.
- Transferring a Call: During an active call, press the Transfer button, dial the new number, and then press Transfer again (consult your system's specific transfer method, e.g., attended or blind transfer).
Using the Touchscreen Interface
The 5-inch color touchscreen is the primary interface for navigating the phone's features. Tap icons and menus to access call history, contacts, voicemail, settings, and applications. Swipe gestures may also be supported for navigating between screens or lists. The interface is designed to be intuitive, similar to a smartphone.
Advanced Features
- Wi-Fi Connectivity: Access Wi-Fi settings via the phone's menu to connect to wireless networks. This is useful for flexible placement where Ethernet cabling is not convenient.
- Bluetooth: Pair Bluetooth headsets for hands-free communication. Navigate to Bluetooth settings to discover and connect devices.
- USB Port: The USB port can be used for firmware upgrades via a USB stick or for connecting compatible USB accessories.
- Speakerphone: Use the dedicated speakerphone button for hands-free conversations or conference calls.
Microsoft Teams / Skype for Business Integration
The C450HD is certified for Skype for Business and compatible with Microsoft Teams and Zoom Phone. A key feature is the single-click switchover between Microsoft Teams and Skype for Business, allowing users to seamlessly transition between platforms while maintaining a native client experience. Your IT administrator will configure the primary platform, and you can switch as needed via the phone's interface.
Maintenance
Cleaning the Device
To maintain the appearance and functionality of your AudioCodes C450HD IP Phone, follow these cleaning guidelines:
- Always disconnect the phone from power before cleaning.
- Use a soft, lint-free cloth slightly dampened with water or a mild, non-abrasive cleaner.
- Wipe the screen and exterior surfaces gently. Avoid spraying liquids directly onto the phone.
- Do not use harsh chemicals, abrasive cleaners, or solvents, as these can damage the finish and electronic components.
Firmware Updates
Firmware updates provide new features, performance improvements, and security enhancements. Your IT department typically manages these updates remotely. However, the phone supports firmware upgrades via a USB stick. If instructed by your administrator, download the firmware file to a USB stick, insert it into the phone's USB port, and follow the on-screen prompts to initiate the update process. Ensure the phone remains powered during the entire update.
Troubleshooting
This section addresses common issues you might encounter with your AudioCodes C450HD IP Phone. If the problem persists, contact your IT support or the manufacturer's technical support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Phone does not power on. | No power supply; PoE not active or faulty; power adapter faulty. | Check Ethernet cable connection for PoE. If using an adapter, ensure it's properly connected to a working outlet. Try a different power source or cable. |
| No dial tone or cannot make/receive calls. | Network connectivity issue; account not registered; incorrect configuration. | Check network cable connection. Verify network status on the phone's screen. Ensure your account is logged in and registered. Restart the phone. Contact IT support for account verification. |
| Poor call quality (echo, static). | Network congestion; faulty cable/handset; microphone/speaker issues. | Check network connection stability. Try using the speakerphone or a different handset/headset. Reduce background noise. If using Wi-Fi, try a wired connection. |
| Touchscreen unresponsive or frozen. | Software glitch; temporary system error. | Perform a soft reboot by disconnecting and reconnecting power. If the issue persists, contact IT support. |
| Difficulty logging in after password change. | Account synchronization issues with Microsoft/Zoom services. | Ensure your new password is correctly entered. Sometimes, a full sign-out and sign-in on the phone is required. Contact your IT department for assistance with account reauthorization, especially if using Microsoft SIP Gateway or similar services. |
| Confusing icons or functions. | Unfamiliarity with the user interface. | Refer to the on-screen help or context-sensitive tips if available. Consult your IT department or AudioCodes documentation for specific icon meanings within your deployed system. |
Technical Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 7.5 x 9.2 x 7.7 inches |
| Item Weight | 2.83 pounds |
| Model Number | C450HD |
| Brand | AudioCodes |
| Color | Black |
| Telephone Type | Corded |
| Material | Plastic |
| Power Source | Corded Electric (PoE compatible) |
| Dialer Type | Single Keypad |
| Answering System Type | Digital |
| Compatible Devices | PC (for integration with UC platforms) |
| Visible Screen Diagonal | 5" / 13 cm |
Warranty and Support
The AudioCodes C450HD IP Phone comes with a standard manufacturer's warranty. For specific warranty terms and conditions, please refer to the documentation provided with your purchase or visit the official AudioCodes website. Warranty coverage typically addresses defects in materials and workmanship under normal use.
For technical assistance, troubleshooting beyond this manual, or inquiries regarding service and repairs, please contact your IT department or the AudioCodes technical support team. You may find contact information on the AudioCodes official website or through your product vendor.
Extended protection plans may also be available from third-party providers to offer additional coverage beyond the manufacturer's warranty. Please review such plans carefully to understand their terms and benefits.
