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

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