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Media Processing
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Voice Coders: G.711 codec PCMA (A-Law), G.711 codec PCMU (μ-Law), G.722 |
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Acoustic Echo Cancelation: G.168-2004 compliant, 64-msec tail length |
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Voice Activity Detection |
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Comfort Noise Generation |
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Packet Lost Concealment |
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RTP/RTCP Packetization (RFC 3550, RFC 3551), SRTP (RFC 3711) |
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Microsoft Teams phones
feature set
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Authentication and security: |
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✔
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Sign in with user credentials and based on IP phone policies |
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✔
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Sign in using PC/Smartphone |
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✔
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Phone lock/unlock; unlock with smart PIN |
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✔
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HTTP/HTTPS Proxy Server |
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Incoming/Outgoing P2P and PSTN calls |
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In-call controls via UI |
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Calendar and Presence integration and meeting actions |
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Survivable Branch Appliance (SBA) |
For a detailed list of features, see Teams Features Supported.
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Configuration and Management
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Teams Admin Center (TAC) for provisioning and logging
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AudioCodes OVOC / Device Manager |
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AudioCodes Redirect Server |
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Debugging Tools
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Log upload to Microsoft server |
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Remote logging via Syslog |
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Audio Debug recording logs |
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Port mirroring network monitoring |
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Remote Packet Capture network sniffer application
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Localization Support
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Multi-lingual support; the language pack list is not yet final and is subject to modification. |
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Virtual Keyboard: QWERTY | Numeric |
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Hardware
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Graphic 5” landscape color touch screen, 1280 x 720 resolution, with an intuitive user interface |
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Optional expansion module (only applicable for C455HD-DBW version): |
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✔
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Expandable 5” portrait color touchscreen, 480x854 resolution |
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✔
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Different color icons for each function shown on the LCD |
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✔
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Feature keys and indicators: |
USB 2.0 High-Speed for image data connection with main unit
PWM dimming control for LCD backlight
Up to 60 contacts with one-click speed dial
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✔
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Works as integral accessory of phone to which it is connected |
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✔
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Two RJ-45 [Gigabit Ethernet (GbE)] (10/100/1000BaseT Ethernet) ports: LAN and PC port |
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✔
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RJ-9 port (jack) for handset |
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Wireless connectivity (applies to devices with DBW (Dual Band Wi-Fi), as specified in their name): |
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✔
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Wi-Fi Dual Band 2.4GHz and 5GHz 802.11a/b/g/n/ac |
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✔
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Wi-Fi supported protocols: WEP, WPA/WPA2-Personal, WPA3-Personal, WPA/WPA2-Enterprise, WPA3-Enterprise, WPA3-Enterprise 192-bit (802.1X) PEAP only |
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✔
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BT-BLE 5.2 for BToB and BT headsets |
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C455HD with DBW suffix flavor: |
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✔
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White USB port - host port for USB headset |
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✔
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Black USB port - default port but can be configured to host port. To configure device / host port: |
setup_usbport2_mode.sh host (from device to host)
setup_usbport2_mode.sh device (from host to device)
It can alternatively be configured by setting the configuration file parameter 'management/usbport2/mode' to the value of USB_HOST_MODE/USB_DEVICE_MODE
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USB port for USB headset. Note that the phone is a PoE Class 3 device (also when connecting a standard USB headset).
If used with a loud USB speakerphone, an external power supply must be used. For more information, contact AudioCodes. |
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Integrated optional Bluetooth support (applies to devices with DBW): |
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✔
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Bluetooth headset support |
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✔
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Microsoft Better Together for device pairing |
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✔
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Max. # of Bluetooth devices that can connect simultaneously to device: 1 |
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✔
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Bluetooth Wideband Speech (WBS) supported for headsets |
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Hearing Aid Compatibility (HAC) support |
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✔
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Wall and desktop mounting options |
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✔
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One angle for desktop mount, another angle for wall mount |
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✔
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Power supply AC 100 ~ 240V |
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✔
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PoE Class 3: IEEE802.3af (optional) |
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✔
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4-way navigation button with OK key |
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✔
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Illuminated VOICE MAIL message hotkey |
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✔
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AC (AudioCodes) Smart Button —used as home key by default, can be programmed to function as Redial button |
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✔
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Illuminated MUTE hotkey |
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✔
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Illuminated HEADSET hotkey |
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✔
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Illuminated SPEAKER hotkey |
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