C456HD IP PhoneA native Microsoft Teams desk phone built on MDEP and Android OS 13 - ideal for the education and government sectors.
The New Standard for Secure, Reliable Voice CommunicationsThe AudioCodes C456HD is a native Microsoft Teams desk phone built on MDEP and Android OS 13 for robust security and simplified, enterprise-grade management. Featuring a vibrant 5” color touch screen and a dedicated programmable action button, it delivers a seamless and intuitive user experience. For enhanced productivity, an optional multi-purpose expansion module with a 5” color touch screen is also available.
Enhanced Security, Privacy & SafetyThe MDEP-based C456HD phone is built with special features that enhance employee and student safety and security in Microsoft Teams environments. A dedicated programmable action button offers simple emergency calling, increasing safety in classrooms and workspaces. In addition, the Hardware Mic Off feature was developed to meet stringent security and privacy standards by preventing unwanted eavesdropping.
AudioCodes C456HDNative Microsoft Teams Desk Phone Built on MDEP and AndroidA native Microsoft Teams desk phone built on MDEP and Android for secure, enterprise-grade performance, featuring a programmable action button. Ideal for education and government environments, the C456HD delivers a robust, intuitive, and fully Teams-certified communication experience.
Technical specifications
Design
| Product type | IP Phone |
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| Handset type | Wired handset |
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| Product colour | Black |
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| Wall mountable | Yes |
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Performance
| Operating system installed | Android |
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| Operating system version | 13 |
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| Dual-Tone Multi-Frequency (DTMF) modes | SIP info |
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Phone features
| Answering machine | Yes |
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| Speed dialling | Yes |
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| Call hold | Yes |
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| Redialing | Yes |
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| Caller ID | Yes |
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| Full duplex | Yes |
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| Call transfer | Yes |
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| Message-waiting indicator (MWI) | Yes |
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Management features
| Integrated voicemail | Yes |
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| Volume control | Buttons |
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| Number of programmable keys | 1 |
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Display
| Display | TFT |
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| Display diagonal | 12.7 cm (5") |
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| Display resolution | 1280 x 720 pixels |
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| Touchscreen | Yes |
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Audio
| Speakerphone | Yes |
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| Microphone mute | Yes |
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| Voice codecs | G.711, G.722, G.729, Silk |
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| Echo cancellation | Yes |
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| Voice activity detection | Yes |
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| Adaptive jitter buffers | Yes |
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| Comfort noise generation (CNG) | Yes |
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| Packet loss concealment (PLC) | Yes |
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Network
| Ethernet LAN | Yes |
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| Ethernet LAN interface type | Gigabit Ethernet |
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| Ethernet LAN data rates | 10,100,1000 Mbit/s |
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| Wi-Fi | No |
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| Bluetooth | No |
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| Supported network protocols | UDP/TCP, NTP, DNS/SRV |
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| Quality of Service (QoS) support | Yes |
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| Security algorithms | HTTPS, SRTP, TLS |
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| Networking standards | IEEE 802.3af |
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Ports & interfaces
| Headset connectivity | USB |
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| Ethernet LAN (RJ-45) ports | 2 |
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| DC-in jack | Yes |
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| WAN connection type | RJ-45 |
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| Cable lock slot | Yes |
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Certificates
| Certified for Microsoft Teams | Yes |
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Power
| Power over Ethernet (PoE) | Yes |
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Operational conditions
| Operating temperature (T-T) | 0 - 40 °C |
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| Storage temperature (T-T) | -20 - 70 °C |
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Weight & dimensions
| Width | 225.9 mm |
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| Depth | 210.3 mm |
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| Height | 92.6 mm |
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| Weight | 1.11 kg |
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| Package width | 323 mm |
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| Package depth | 238 mm |
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| Package height | 86 mm |
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| Package weight | 1.5 kg |
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