Yealink SIP-T54W

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