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

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