AudioCodes C455HD IP Phone – Corded with Wi‑Fi, Bluetooth & Wall Mount

The AudioCodes C455HD IP Phone is designed for demanding business environments where reliability, clarity, and flexible connectivity drive productivity. This corded desk phone blends a traditional VoIP experience with modern wireless capabilities, giving you the freedom to use wireless headsets and integrate mobile communications without compromising on a steady, enterprise-grade connection. With its wall-mountable design, the C455HD helps keep desks tidy while delivering the same trusted voice quality, security, and manageability that IT teams rely on in SMBs and large enterprises alike. Whether you’re coordinating with teammates across departments or greeting clients in a reception area, this phone is built to deliver crisp audio, straightforward provisioning, and a user-friendly experience that reduces training time and accelerates everyday tasks.

• All-in-one connectivity: The C455HD combines wired IP telephony with built-in Wi‑Fi and Bluetooth, enabling seamless use of wireless headsets, mobile devices, and UC apps. Its flexible connectivity supports modern workstyles, allowing calls to flow smoothly between desk-based and wireless endpoints while maintaining secure, high-quality audio. This integration helps teams stay productive without being tethered to a single device.
• Flexible deployment and space efficiency: With a compact footprint and a wall-mountable chassis, the C455HD fits neatly in front of executives, reception desks, conference rooms, or shared workspaces. The included mounting hardware supports quick installation on walls or under desks, freeing up valuable desk space and enabling ergonomic layouts that reduce clutter and improve collaboration.
• Crystal-clear communication: Expect superior audio with HD wideband voice, advanced echo cancellation, and noise reduction that cut through busy environments. A high-quality microphone array and full‑duplex speakerphone ensure natural, lifelike conversations, while adjustable audio settings let you tailor sound to your room and preferences. The result is clearer calls, fewer misunderstandings, and more productive discussions with teammates and customers.
• Enterprise-grade features and security: The C455HD supports robust SIP-based communications with secure provisioning, encryption, and centralized management options. It’s designed for scalable deployments across small teams to large enterprises, offering support for multiple SIP accounts, directory integration, presence, call transfer, conferencing, and auto-provisioning to simplify mass configuration and ongoing maintenance.
• Easy setup, use, and ongoing maintenance: An intuitive user interface, programmable keys, and streamlined firmware updates reduce setup time and training overhead. Administrators can deploy settings quickly with standard provisioning workflows, while users enjoy quick access to contact directories, speed dials, and commonly used functions. The C455HD is built to keep pace with evolving workflows and UC environments.

Technical Details of AudioCodes C455HD IP Phone

• Model: AudioCodes C455HD
• Connectivity: Ethernet (RJ-45) for VoIP, built-in Wi‑Fi and Bluetooth for wireless accessories and seamless UC integration
• Display: 4.3-inch color LCD for clear navigation and quick access to settings and contacts
• Audio: HD wideband voice with effective echo cancellation and noise reduction for pristine call quality
• Mounting: Wall mountable with included mounting hardware for flexible placement
• Power: Power options vary by deployment; typically PoE or external power supply depending on configuration
• Security: SIP-based security with encryption and secure provisioning to protect communications
• Color: Black
• SKU: C455HD
• UPC: Not available in the provided description

How to install AudioCodes C455HD IP Phone

• Choose your installation spot: Decide whether to place the phone on a desk or mount it on a wall. Ensure nearby network access and a suitable power option if PoE is not available in your environment.
• Mount or place the unit: If wall mounting, attach the included bracket and secure the phone in the desired location. If desk-mounted, position the phone for easy reach of the handset and display.
• Connect to the network: Plug an Ethernet cable into the RJ-45 LAN port and connect to your switch or router. If your deployment uses PoE, you can power the device through the network cable; otherwise use the appropriate external power supply.
• Power on and provisioning: Power up the device and locate its IP address via the display. Access the web interface or provisioning system to input SIP server details, user credentials, and any required configuration profiles. Enroll the device in your UC platform or auto-provisioning server as directed by your IT team.
• Configure features and test: Set up directories, speed dials, call forwarding, presence, and conference options. Update firmware if prompted and perform a test call to verify audio quality, network stability, and security settings. Fine-tune microphone and speaker levels and verify Bluetooth or Wi‑Fi connectivity if you plan to use wireless accessories.

Frequently asked questions

• Is the C455HD truly wireless? The C455HD is a corded IP phone with built-in Wi‑Fi and Bluetooth capabilities. It provides wireless connectivity for accessories and certain UC integrations while maintaining a wired backbone for reliability and call quality.
• Can I wall-mount this phone? Yes. The AudioCodes C455HD is designed for wall mounting and includes the necessary hardware to secure it in reception areas, meeting spaces, or executive offices, freeing up desk space without compromising accessibility.
• Does it support PoE? Power options depend on the deployment configuration. Many setups support Power over Ethernet (PoE) along with an external power supply where PoE is not available. Check with your IT administrator or vendor to confirm your specific configuration.
• What makes the C455HD a good choice for businesses? It combines reliable VoIP performance, secure provisioning, HD audio, and flexible connectivity (Wi‑Fi and Bluetooth) in a compact, durable form factor suitable for busy offices, reception areas, and conference rooms.
• How do I get the most out of its features? Leverage its programmable keys, directory and contact integration, presence, call transfer, and conferencing capabilities while using auto-provisioning and firmware updates to keep the device aligned with your UC platform and security policies. Training resources and vendor support can accelerate adoption across your team.