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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.
Hauptmerkmale
- Anzeige: 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
- Mehrsprachige Benutzeroberfläche
Installationshandbuch
Packungsinhalt
Bevor Sie beginnen, stellen Sie sicher, dass alle Komponenten im Paket vorhanden sind:
- AudioCodes C450HD IP Phone Unit
- Mobilteil
- Hörerkabel
- Ethernet-Kabel
- Schreibtischständer
- (Optional) AC Power Adapter (if not using Power over Ethernet)
Physische Verbindung
- Bringen Sie den Tischständer an: Securely attach the desk stand to the back of the phone unit.
- Anschließen des Mobilteils: Stecken Sie ein Ende des spiralförmigen Hörerkabels in den Hörer und das andere Ende in die Hörerbuchse an der Telefonbasis.
- Mit Netzwerk verbinden: 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.
- Stromversorgung anschließen (falls kein PoE vorhanden): If PoE is not available, connect the optional AC power adapter to the power port on the phone and then to a power outlet.
- Erster Systemstart: The phone will power on and begin its boot-up sequence. This may take a few minutes.
Erstkonfiguration
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.
Bedienungsanleitung
Grundlegende Anruffunktionen
- Einen Anruf tätigen:
- Heben Sie den Hörer ab oder drücken Sie die Freisprecheinrichtung Taste.
- Wählen Sie über die Tastatur die gewünschte Nummer.
- Drücken Sie die Anruf button (often a green phone icon) on the screen or keypad.
- Anruf annehmen:
- Wenn das Telefon klingelt, heben Sie den Hörer ab oder drücken Sie die Taste Antwort button on the screen or the Freisprecheinrichtung Taste.
- Anruf beenden:
- Legen Sie den Hörer auf oder drücken Sie die Taste Anruf beenden button (often a red phone icon) on the screen.
- Anruf in die Warteschleife stellen: Drücken Sie während eines aktiven Anrufs die Halten Drücken Sie die Taste erneut, um das Gespräch fortzusetzen.
- Weiterleiten eines Anrufs: Drücken Sie während eines aktiven Anrufs die Überweisen Taste drücken, die neue Nummer wählen und dann drücken Überweisen again (consult your system's specific transfer method, e.g., attended or blind transfer).
Verwenden der Touchscreen-Schnittstelle
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.
Erweiterte Funktionen
- Wi-Fi-Konnektivität: 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-Anschluss: The USB port can be used for firmware upgrades via a USB stick or for connecting compatible USB accessories.
- Freisprecheinrichtung: 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.
Wartung
Reinigen des Geräts
To maintain the appearance and functionality of your AudioCodes C450HD IP Phone, follow these cleaning guidelines:
- Vor der Reinigung muss das Telefon immer vom Stromnetz getrennt werden.
- Mit einem weichen, fusselfreien Tuch leichtampMit Wasser oder einem milden, nicht scheuernden Reinigungsmittel abspülen.
- 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-Aktualisierungen
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.
Fehlerbehebung
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 | Mögliche Ursache | Lösung |
|---|---|---|
| Das Telefon lässt sich nicht einschalten. | Keine Stromversorgung; PoE nicht aktiv oder defekt; Netzteil defekt. | 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. |
| Kein Wählton oder keine Möglichkeit, Anrufe zu tätigen/empfangen. | 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. |
| Schlechte Gesprächsqualität (Echo, Rauschen). | 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. | Softwarefehler; vorübergehender Systemausfall. | 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. |
Technische Spezifikationen
| Besonderheit | Detail |
|---|---|
| Technische Daten | 7.5 x 9.2 x 7.7 Zoll |
| Artikelgewicht | 2.83 Pfund |
| Modellnummer | C450HD |
| Marke | AudioCodes |
| Farbe | Schwarz |
| Telefontyp | Kabelgebunden |
| Material | Plastik |
| Stromquelle | Kabelgebundenes Elektrogerät (PoE-kompatibel) |
| Dialer-Typ | Einzelne Tastatur |
| Typ des Anrufbeantworters | Digitales |
| Kompatible Geräte | PC (for integration with UC platforms) |
| Sichtbare Bildschirmdiagonale | 5" / 13 cm |
Garantie und 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 webDie Garantie deckt in der Regel Material- und Verarbeitungsfehler bei normalem Gebrauch ab.
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 webWebsite oder über Ihren Produktanbieter.
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.





