Yealink SIP-T54S User Manual

Customizing Your Phone
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The LCD screen prompts “Delete all the call records?”.
5. Press the OK soft key to confirm the deletion or the Cancel soft key to cancel.
Disabling History Record
To disable history record via phone user interface:
1. Press Menu->Features->Others->General.
2. Press or , or the Switch soft key to select Disabled from the History Record
field.
3. Press the Save soft key to accept the change or the Back soft key to cancel.
Search Source List in Dialing
You can search for a contact from the desired lists when the phone is on the dialing screen. The
lists can be Local Directory, History, Remote Phone Book and LDAP.
Note
To configure search source list in dialing via web user interface:
1. Click on Directory->Setting.
LDAP list is hidden by default. To configure LDAP list, you need to enable LDAP feature in
advance.

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