Yealink SIP-T54S User Manual

User Guide for the SIP-T54S Media IP Phone
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If it is set to other values except 0 (e.g., 5), the phone will be locked when the phone is
inactive in idle screen for the designated time (in seconds).
6. Press the Save soft key to accept the change.
When the phone is locked, the LCD screen prompts “Phone locked.” and displays the
icon .
To change the phone unlock PIN via phone user interface:
1. Press Menu->Basic->Change PIN.
2. Enter the desired value in the Current PIN, New PIN and Confirm PIN field respectively.
3. Press the Save soft key to accept the setting or the Back soft key to cancel.
Note
The unlock PIN length must be within 15 digits.

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