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Features
Number of programmable keys
8
Dual-Tone Multi-Frequency (DTMF) modes
In-band- Out-of band- SIP info
Number of DECT wireless handsets
4
DECT connectable
Yes
Phonebook sharing
Yes
Integrated voicemail
Yes
Handset type
Wired handset
Keypad illumination
Yes
Mounting
Desk/Wall
Volume control
Buttons
Product colour
Grey
Technical details
Number of programmable keys
8
Dual-Tone Multi-Frequency (DTMF) modes
In-band- Out-of band- SIP info
Number of DECT wireless handsets
4
DECT connectable
Yes
Phonebook sharing
Yes
Integrated voicemail
Yes
Answering machine
Yes
Handset type
Wired handset
Keypad illumination
Yes
Mounting
Desk/Wall
Volume control
Buttons
Speakerphone
Yes
Quick start guide
Yes
Display
Touchscreen
No
Display resolution
360 x 160 pixels
Display diagonal
9.4 cm (3.7")
Display
LCD
Backlight display
Yes
Phone features
Call transfer
Yes
Call return
Yes
Number of VoIP accounts
12
Answering machine
Yes
Short Message Service (SMS)
Yes
Lines quantity
8 lines
Speed dialling
Yes
Redialing
Yes
Phonebook capacity
1000 entries
Full duplex
Yes
Do not disturb function
Yes
Conference call
Yes
Caller ID
Yes
Call waiting
Yes
Call pick up
Yes
Call park
Yes
Call hold
Yes
Call forwarding
Yes
Anonymous call rejection
Yes
Anonymous call
Yes
Call history
Yes
Audio
Comfort noise generation (CNG)
Yes
Automatic gain control
Yes
Voice codecs
G.722-G.723.1-G.726-G.729A-G.729B-OPUS-iLBC
Voice activity detection
Yes
Speakerphone
Yes
Microphone mute
Yes
Adaptive jitter buffers
Yes
Packet loss concealment (PLC)
Yes
Network
Networking standards
IEEE 802.1p-IEEE 802.1x-IEEE 802.3af
Ethernet LAN interface type
Gigabit Ethernet
Wi-Fi
No
Supported network protocols
FTP/TFTP/HTTP/HTTPS
Quality of Service (QoS) support
Yes
Ethernet LAN
Yes
Bluetooth
No
Ports & interfaces
USB 2.0 ports quantity
1
RJ-9 ports quantity
2
Ethernet LAN (RJ-45) ports
2
DC-in jack
Yes
Power
AC adapter output current
1.2 A
Power over Ethernet (PoE)
Yes
Power consumption (typical)
2.3 W
AC adapter output voltage
5 V
AC adapter input voltage
100 - 240 V
Security
Security algorithms
AES-HTTPS-SIPS
Weight & dimensions
Width
212 mm
Depth
210.6 mm
Height
174.5 mm
Operational conditions
Operating temperature (T-T)
0 - 40 °C
Operating relative humidity (H-H)
10 - 95%
Colour
Product colour
Grey
Microphone
Microphone mute
Yes
Certificates
Certification
CE- FC- RoHS
Packaging content
Cables included
LAN (RJ-45)
Number of handles included
1 pc(s)
Quick start guide
Yes
Yealink SIP-T53 IP phone Grey 8 lines LCD
| Weight | 1.000000 lbs |
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