Yealink SIP-T54S User Manual

Advanced Phone Features
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The LCD screen prompts the following warning:
4. Press the OK soft key to confirm the deletion or the Cancel soft key to cancel.
Viewing the Storage Space
You can view the storage space (e.g., total space, used space, free space) of the USB flash drive
on the phone.
To view the storage space:
1. Press Menu->USB->Storage Space.
Recording Using a Record Key
There are two ways of call recording in server:
 Record: The phone sends SIP INFO message containing a specific header “Record: on/off”
to trigger a recording.
 URL Record: The phone sends HTTP URL request to trigger a recording. Contact your
system administrator for the predefined URL.
Note
Server recording is not available on all servers. 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