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

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