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Yealink SIP-T53W Administrator's Guide

Yealink SIP-T53W
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Security Features
112
Default
1
Web UI
Security > Trusted Certificates > Only Accept Trusted Certificates
Parameter
static.security.ca_cert
[3]
<y0000000000xx>.cfg
Description
It configures the type of certificates in the Trusted Certificates list for the phone to authenticate for TLS
connection.
Permitted
Values
0-Default Certificates
1-Custom Certificates
2-All Certificates
Default
2
Web UI
Security > Trusted Certificates > CA Certificates
Parameter
static.security.cn_validation
[3]
<y0000000000xx>.cfg
Description
It enables or disables the phone to mandatorily validate the CommonName or SubjectAltName of the
certificate sent by the server.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Web UI
Security > Trusted Certificates > Common Name Validation
Parameter
static.security.dev_cert
[3]
<y0000000000xx>.cfg
Description
It configures the type of device certificates for the phone to send for TLS authentication.
Permitted
Values
0-Default Certificates
1-Custom Certificates
Default
0
Web UI
Security > Server Certificates > Device Certificates
Parameter
static.trusted_certificates.url <y0000000000xx>.cfg
Description
It configures the access URL of the custom trusted certificate used to authenticate the connecting
server.
Note: The certificate you want to upload must be in *.pem, *.crt, *.cer or *.der format.
Permitted
Values
URL within 511 characters
Default
Blank
Web UI
T57W/T54W/T53W/T53/T48U/T46U/T43U/T42U:
Security > Trusted Certificates > Upload Trusted Certificate File
Other Phones:
Security > Trusted Certificates > Load Trusted Certificates File
Parameter
static.trusted_certificates.delete <y0000000000xx>.cfg
Description
It deletes all uploaded trusted certificates.
Permitted
Values
http://localhost/all

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Yealink SIP-T53W Specifications

General IconGeneral
MountingDesk/Wall
Handset typeWired handset
Product typeIP mobile phone
Product colorGray
Keypad illuminationYes
Wi-Fi standards802.11a, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version4.2
Security algorithmsAES, HTTPS, SIPS
Networking standardsIEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Ethernet LAN interface typeGigabit Ethernet
Supported network protocolsFTP/TFTP/HTTP/HTTPS
Dual-Tone Multi-Frequency (DTMF) modesIn-band, Out-of band, SIP info
USB 2.0 ports quantity1
Ethernet LAN (RJ-45) ports2
Lines quantity8 lines
Phonebook capacity1000 entries
Number of VoIP accounts12
AC adapter input voltage100 - 240 V
AC adapter output current1.2 A
AC adapter output voltage5 V
Power consumption (typical)2.3 W
Volume controlButtons
Number of programmable keys8
Storage temperature (T-T)-30 - 70 °C
Operating temperature (T-T)0 - 40 °C
Operating relative humidity (H-H)10 - 95 %
Display diagonal3.7 \
Display resolution360 x 160 pixels
Cables includedLAN (RJ-45)
Number of handles included1 pc(s)
Number of DECT wireless handsets4
Voice codecsG.722, G.723.1, G.726, G.729A, G.729B, OPUS, iLBC
Weight and Dimensions IconWeight and Dimensions
Depth210.6 mm
Width212 mm
Height174.5 mm

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