Yealink SIP-T52S Administrator's Guide

Configuring Advanced Features
613
Parameters
Permitted Values
Default
Phone User Interface:
None
features.pickup.blf_audio_enable
0 or 1
0
Description:
Enables or disables the IP phone to play an audio alert when the monitored user receives
an incoming call.
0-Disabled
1-Enabled
Note: It is not applicable to SIP-T19(P) E2/CP860/CP920 IP phones.
Web User Interface:
Features->Call Pickup->Audio Alert for BLF Pickup
Phone User Interface:
None
features.blf.ring_type
Refer to the following
content
Splash.wav
Description:
Configures a ring tone for BLF pickup.
Permitted Values:
Ring1.wav, Ring2.wav, Ring3.wav, Ring4.wav, Ring5.wav, Ring6.wav, Ring7.wav, Ring8.wav,
Silent.wav, Splash.wav or custom ring tone name (e.g., Customring.wav).
Example:
features.blf.ring_type = Ring5.wav
Note: It works only if the value of the parameter “features.pickup.blf_audio_enable” is set
to 1 (Enabled). It is not applicable to SIP-T19(P) E2/CP860/CP920 IP phones.
Web User Interface:
Features->Call Pickup->Ring Type for BLF Pickup
Phone User Interface:
Menu->Basic->Sound->BLF Ring Type
To configure visual alert and audio alert for BLF pickup via web user interface:
1. Click on Features->Call Pickup.
2. Select the desired value from the pull-down list of Visual Alert for BLF Pickup.
3. Select the desired value from the pull-down list of Audio Alert for BLF Pickup.

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