Yealink SIP-T54W IP phone Black 10 lines LCD Wi-Fi

Touchscreen: No | Comfort noise generation (CNG): Yes | Wall mountable: Yes | Conference call: Yes | Dual-Tone Multi-Frequency (DTMF) modes: In-band | Supported network protocols: FTP/TFTP/HTTP/HTTPS | Answering machine: Yes | Number of handles included: 1 pc(s) | Adaptive jitter buffers: Yes | Voice codecs: G.729B | Voice codecs: OPUS | Anonymous call rejection: Yes | Stand included: Yes | Anonymous call: Yes | Depth: 222.6 mm | Caller ID: Yes | Voice codecs: G.723.1 | Phonebook capacity: 1000 entries | Speakerphone: Yes | Ethernet LAN: Yes | Do not disturb function: Yes | Call hold: Yes | Power consumption (Power over Ethernet (PoE)): 5.5 W | Lines quantity: 10 lines | Voice codecs: G.722 | Backlight display: Yes | Integrated voicemail: Yes | Product type: IP Phone | Voice codecs: G.726 | Mounting: Desk/Wall | Dual-Tone Multi-Frequency (DTMF) modes: SIP info | Volume control: Buttons | Speed dialling: Yes | Redialing: Yes | Number of VoIP accounts: 16 | Height: 186.1 mm | Voice codecs: iLBC | Full duplex: Yes | Call park: Yes | Call pick up: Yes | Short Message Service (SMS): Yes | Device lock: Yes | Dual-Tone Multi-Frequency (DTMF) modes: Out-of band | Number of programmable keys: 10 | Voice activity detection: Yes | Call forwarding: Yes | Handset: Yes | Voice codecs: G.729A | Ethernet cable: Yes | Call return: Yes | Microphone mute: Yes | Direct call: Yes | Automatic gain control: Yes | Call waiting: Yes | Bluetooth version: 4.2 | Phonebook sharing: Yes | Call history: Yes | RJ-9 ports quantity: 2 | Call transfer: Yes | Handset type: Wired handset | Wi-Fi standards: Wi-Fi 5 (802.11ac) | Wi-Fi standards: 802.11b | Wi-Fi standards: Wi-Fi 4 (802.11n) | DC-in jack: Yes | Cables included: LAN (RJ-45) | Security algorithms: SIPS | Networking standards: IEEE 802.1x | Networking standards: IEEE 802.3af | USB 2.0 ports quantity: 1 | Security algorithms: AES | Security algorithms: HTTPS | AC adapter input voltage: 100 - 240 V | Power consumption (typical): 4.3 W | Networking standards: IEEE 802.11a | Networking standards: IEEE 802.1p | Ethernet LAN interface type: Gigabit Ethernet | Ethernet LAN (RJ-45) ports: 2 | AC adapter output voltage: 5 V | Operating temperature (T-T): 0 - 40 °C | Networking standards: IEEE 802.11ac | Wi-Fi standards: 802.11a | Display: LCD | AC adapter output current: 2 A | Product colour: Black | Bluetooth: Yes | Maximum data transfer rate: 433 Mbit/s | Networking standards: IEEE 802.11g | Networking standards: IEEE 802.11n | Wi-Fi: Yes | Display diagonal: 10.9 cm (4.3") | Quick start guide: Yes | Wi-Fi standards: 802.11g | Networking standards: IEEE 802.11b | Width: 233 mm | Power over Ethernet (PoE): Yes | Front camera: No | Operating relative humidity (H-H): 10 - 95% | Display resolution: 480 x 272 pixels | Packet loss concealment (PLC): Yes | Emergency call: Yes