Yealink SIP-T53W IP phone Black 8 lines LCD Wi-Fi

Wall mountable: Yes
Product colour: Grey
Mounting: Desk/Wall
Keypad illumination: Yes
Handset type: Wired handset
Product type: IP mobile phone
Device lock: Yes
Power over Ethernet (PoE): Yes
AC adapter input voltage: 100 - 240 V
AC adapter output voltage: 5 V
Power consumption (typical): 2.3 W
AC adapter output current: 1.2 A
Storage temperature (T-T): -30 - 70 °C
Operating relative humidity (H-H): 10 - 95%
Operating temperature (T-T): 0 - 40 °C
Volume control: Buttons
Integrated voicemail: Yes
Number of programmable keys: 8
Height: 174.5 mm
Depth: 210.6 mm
Width: 212 mm
Security algorithms: AES, HTTPS, SIPS
Ethernet LAN interface type: Gigabit Ethernet
Networking standards: IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Quality of Service (QoS) support: Yes
Supported network protocols: FTP/TFTP/HTTP/HTTPS
Ethernet LAN: Yes
Wi-Fi standards: 802.11a, Wi-Fi 4 (802.11n), 802.11g
Bluetooth version: 4.2
Wi-Fi: Yes
Bluetooth: Yes
DECT connectable: Yes
Dual-Tone Multi-Frequency (DTMF) modes: Out-of band, SIP info, In-band
Number of DECT wireless handsets: 4
Cables included: LAN (RJ-45)
Quick start guide: Yes
Number of handles included: 1 pc(s)
Touchscreen: No
Backlight display: Yes
Display: LCD
Display resolution: 360 x 160 pixels
Display diagonal: 9.4 cm (3.7")
Voice codecs: iLBC, G.726, G.729A, G.729B, OPUS, G.723.1, G.722
Automatic gain control: Yes
Adaptive jitter buffers: Yes
Packet loss concealment (PLC): Yes
Voice activity detection: Yes
Comfort noise generation (CNG): Yes
Speakerphone: Yes
Microphone mute: Yes
DC-in jack: Yes
RJ-9 ports quantity: 2
Ethernet LAN (RJ-45) ports: 2
USB 2.0 ports quantity: 1
Front camera: No
Warnings: Follow instructions for correct installation and use., Do not open the appliance, risk of electric shock.
Call waiting: Yes
Number of VoIP accounts: 12
Full duplex: Yes
Caller ID: Yes
Redialing: Yes
Call return: Yes
Lines quantity: 8 lines
Answering machine: Yes
Call transfer: Yes
Phonebook sharing: Yes
Call park: Yes
Short Message Service (SMS): Yes
Call history: Yes
Anonymous call: Yes
Call hold: Yes
Do not disturb function: Yes
Anonymous call rejection: Yes
Conference call: Yes
Phonebook capacity: 1000 entries
Speed dialling: Yes
Call forwarding: Yes
Call pick up: Yes