Yealink SIP-T52S User Manual

User Guide for T5 Series IP Phones
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The mute key LED glows red. The LCD screen indicates that the call is now muted.
2. Press the MUTE key again to unmute the call.
Muting and Unmuting While Dialing
Procedure:
1. Press the MUTE key on the pre-dialing, dialing or calling screen.
The mute key LED glows red. The call is muted automatically when set up successfully.
2. Press the MUTE key again to unmute.
Note
Call Hold/Resume
You can place an active call on hold. Only one active call can be in progress at any time. Other
calls can be made and received while placing the original call on hold. The phone will play beep
of a specified frequency softly to remind you that you still have a call on hold. Your system
administrator can customize the frequency and configure when to play beep.
Note
Holding a Call
Procedure:
1. Press the HOLD key or Hold during a call.
You can also mute the microphone when the IP phone is ringing.
If Music on Hold is enabled, the held party will hear a piece of music from IP PBX while
waiting. Check with your system administrator to find out if this feature is enabled on your
phone.

Yealink SIP-T52S Specifications

General

Touchscreen	-
Display diagonal	2.8 \
Backlight display	Yes
Display resolution	320 x 240 pixels
Lines quantity	16 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	12
AC adapter input voltage	100 - 240 V
Bluetooth version	2.1+EDR
Security algorithms	802.1x RADIUS, HTTPS, MD5
Ethernet LAN interface type	Gigabit Ethernet
USB 2.0 ports quantity	1
Ethernet LAN (RJ-45) ports	2
Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Voice codecs	G.722, G.723, G.723.1, G.726, OPUS, iLBC
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)
Front camera	No
Operating system installed	Linux

Weight and Dimensions

Depth	212 mm
Width	211.6 mm
Height	166.8 mm