Yealink SIP-T53 IP phone Grey 8 lines LCD

Handset type: Wired handset
Product type: IP Phone
Wall mountable: Yes
Device lock: Yes
Product colour: Grey
Mounting: Desk/Wall
AC adapter output current: 1.2 A
AC adapter output voltage: 5 V
Power consumption (typical): 2.3 W
AC adapter input voltage: 100 - 240 V
Power over Ethernet (PoE): Yes
Power consumption (Power over Ethernet (PoE)): 3.1 W
Operating temperature (T-T): 0 - 40 °C
Operating relative humidity (H-H): 10 - 95%
Volume control: Buttons
Integrated voicemail: Yes
Number of programmable keys: 8
Width: 212 mm
Height: 174.5 mm
Depth: 210.6 mm
Security algorithms: AES, HTTPS, SIPS
Quality of Service (QoS) support: Yes
Networking standards: IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Supported network protocols: FTP/TFTP/HTTP/HTTPS
Ethernet LAN interface type: Gigabit Ethernet
Ethernet LAN: Yes
Bluetooth: No
Wi-Fi: No
Dual-Tone Multi-Frequency (DTMF) modes: SIP info, In-band, Out-of band
Ethernet cable: Yes
Handset: Yes
Cables included: LAN (RJ-45)
Number of handles included: 1 pc(s)
Stand included: Yes
Quick start guide: Yes
Backlight display: Yes
Touchscreen: No
Display: LCD
Display diagonal: 9.4 cm (3.7")
Display resolution: 360 x 160 pixels
Voice codecs: G.722, G.729B, G.729A, OPUS, G.729ab, iLBC, G.711a, G.726, G.711u, G.723.1
Automatic gain control: Yes
Voice activity detection: Yes
Adaptive jitter buffers: Yes
Speakerphone: Yes
Comfort noise generation (CNG): Yes
Microphone mute: Yes
Packet loss concealment (PLC): Yes
DC-in jack: Yes
RJ-9 ports quantity: 2
USB 2.0 ports quantity: 1
Ethernet LAN (RJ-45) ports: 2
Front camera: No
Anonymous call rejection: Yes
Full duplex: Yes
Number of VoIP accounts: 12
Caller ID: Yes
Answering machine: Yes
Call pick up: Yes
Call waiting: Yes
Call transfer: Yes
Call forwarding: Yes
Speed dialling: Yes
Call return: Yes
Short Message Service (SMS): Yes
Call hold: Yes
Anonymous call: Yes
Conference call: Yes
Do not disturb function: Yes
Direct call: Y
Phonebook sharing: Yes
Call history: Yes
Call park: Yes
Phonebook capacity: 1000 entries
Redialing: Yes
Lines quantity: 8 lines
Hot desking: Yes
Emergency call: Yes