Yealink SIP-T54S User Manual

Customizing Your Phone
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To change the language for the web user interface:
1. Select the desired language from the pull-down list at the top-right corner of web user
interface.
Text displayed on the web user interface will change to the selected language.
Idle Clock Display
The time and date are displayed in the center of LCD screen when the phone is idle by default.
You can disable the idle clock display, so that the time and date is displayed on the status bar
idle screen.
To disable idle clock via phone user interface:
1. Press Menu->Basic->Display->Idle Clock.
2. Press or , or the Switch soft key to select Disabled from the Idle Clock Display
field.
3. Press the Save soft key to accept the change or the Back soft key to cancel.
The time and date is displayed on the status bar.
Time & Date
The time and date are displayed on the LCD screen when the phone is idle. You can configure
the phone to obtain the time and date from the SNTP server automatically, or configure the
time and date manually. If the phone cannot obtain the time and date from the Simple Network
Time Protocol (SNTP) server, contact your system administrator for more information.

Yealink SIP-T54S Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Wall mountable	Yes
Wi-Fi	-
Bluetooth version	2.1+EDR
Ethernet LAN interface type	Gigabit Ethernet
Display diagonal	4.3 \
Display resolution	480 x 272 pixels
Lines quantity	16 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	16
AC adapter input voltage	100 - 240 V
USB 2.0 ports quantity	1
Ethernet LAN (RJ-45) ports	2
Voice codecs	G.722, G.723, G.723.1, G.726, G.729B, OPUS, iLBC
Front camera	No
Volume control	Digital
Operating temperature (T-T)	-10 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Operating system installed	Linux

Weight and Dimensions

Depth	218.8 mm
Width	233 mm
Height	172.6 mm