Yealink SIP-T54S User Manual

User Guide for the SIP-T54S Media IP Phone
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For multiple numbers, enter a comma between every two numbers.
4. Click Confirm to accept the change.
When DND is activated on the phone, the phone can still receive incoming calls from the
numbers specified in the DND Authorized Numbers field.
Note
To deactivate DND in phone mode:
1. Press the DND soft key when the phone is idle.
To deactivate DND in custom mode:
1. Press the DND soft key when the phone is idle.
2. Press or to select the desired account and then press the Enter soft key.
3. Press or , or the Switch soft key to select Disabled from the DND Status field.
4. Press the Save soft key to accept the change.
If you want to deactivate DND for all accounts, press the All Off soft key.
DND authorized number is configurable via web user interface only.
When the phone misses a call, a prompt window will pop up by default. If you want to disable the
feature, 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