Yealink SIP-T52S Administrator's Guide

Configuring Advanced Features
629
Parameters
Permitted Values
Default
Note: It is not applicable to SIP-T19(P) E2/CP860/CP920 IP phones. It works only if the
value of the parameter “blf.enhanced.parked.enable” is set to 1 (Enabled).
Web User Interface:
None
Phone User Interface:
None
Configuring a BLF Key
You can configure a BLF key on a supervisor’s phone to monitor the IP phone user status (busy
or idle). For more information on how to configure the DSS Key, refer to Appendix D:
Configuring DSS Key on page 1014.
Procedure
BLF key can be configured using the following methods.
Central
Provisioning
(Configuration
File)
<y0000000000xx>.c
fg
Assign a BLF key.
Parameters:
linekey.X.type/
expansion_module.X.key.Y.type
linekey.X.line/
expansion_module.X.key.Y.line
linekey.X.value/
expansion_module.X.key.Y.value
linekey.X.pickup_value/
expansion_module.X.key.Y.pickup_value
linekey.X.label/
expansion_module.X.key.Y.label
linekey.X.shortlabel
Web User Interface
Assign a BLF key.
Navigate to:
http://<phoneIPAddress>/servlet?p=dsskey
&q=load&model=0
Phone User Interface
Assign a BLF key.

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