Yealink SIP-T54S User Manual

Advanced Phone Features
169
The IP phone dials out the phone number of the monitored user.
Transferring a Call to the Monitored User
When there is already an active call on the IP phone, you can transfer the active call to the
monitored user by pressing the BLF key. The phone handles the active call differently depending
on the configuration of transfer mode via Dsskey with the BLF key (refer to Configuring Transfer
Mode on DSS Key). The transfer mode on DSS key has the following modes:
 Blind Transfer
 Attended Transfer
 New Call
When the transfer mode on DSS key is set to Blind Transfer and there is already an active call
on the IP phone, you can do the following:
To perform a blind transfer:
1. Press the BLF key of the monitored user which you want to transfer this call to.
Then the active call is connected to the number of the monitored user.
When the transfer mode on DSS key is set to Attended Transfer and there is already an active
call on the IP phone, you can do the following:
To perform a semi-attended transfer:
1. Press the BLF key of the monitored user which you want to transfer this call to. The phone
will dial the number of the monitored user.
2. Press the BLF key of the monitored user again or the Transfer soft key to complete the
transfer when receiving ringback.
To perform an attended transfer:
1. Press the BLF key of the monitored user which you want to transfer this call to. The phone
will dial the number of the monitored user.
2. Press the BLF key of the monitored user again or the Transfer soft key to complete the
transfer after the monitored user answers the call.
When the transfer mode on DSS key is set to New Call and there is already an active call on the
IP phone, you can do the following:
To perform a new call:
1. Press the BLF key of the monitored user you want to call.
The phone will dial the number of the monitored user. The original call is placed on hold.
Picking up an Incoming Call of the Monitored User
When the monitored user receives an incoming call, the BLF key indicator of the monitored user
will flash red. You can use the BLF key to pick up an incoming call of the monitored user. Before

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