Yealink SIP-T54S User Manual

User Guide for the SIP-T54S Media IP Phone
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Ending Calls
To end a call:
Do one of the following:
- If you are using the handset, press , the End Call soft key or hang up the handset.
- If you are using the headset, press , or the End Call soft key.
- If you are using the speakerphone, press , or the End Call soft key.
Note
Redialing Numbers
To redial the last dialed number from your phone:
1. Press twice.
A call to your last dialed number is attempted.
To redial a previously dialed number from your phone:
1. Press when the phone is idle.
2. Press or to select the desired entry from the placed calls list, and then
press or the Send soft key.
Recent Call In Dialing
To view the placed calls list when the phone is on the dialing screen, you should enable recent
call in dialing in advance.
When a call is placed on hold, you cannot press to end it. You should press the Resume soft
key to resume the call, and then press to end it.

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