Yealink SIP-T52S Administrator's Guide

Configuring Basic Features
217
(Configuration File)
>.cfg
keys for the expansion modules.
Parameters:
expansion_module.page_tip.blf_call_in.enabl
e
expansion_module.page_tip.blf_call_in.led
Details of the Configuration Parameters:
Parameters
Permitted Values
Default
expansion_module.page_tip.blf_call_in.enable
0 or 1
1
Description:
Enables or disables the page switch key LED on the expansion module to indicate when BLF
monitored user receives an incoming call on the non-current pages.
0-Disabled
1-Enabled
Note: It is only applicable to EXP50 expansion modules connected to the SIP-T54S/T52S IP
phones.
Web User Interface:
None
Phone User Interface:
None
expansion_module.page_tip.blf_call_in.led
String
$LEDr30
0o300$
Description:
Configures the page switch key LED status on the expansion module when BLF monitored
user receives an incoming call on the non-current pages.
This value uses the same macro action string syntax as an Enhanced DSS key.
If it is left blank, the default value takes effect.
Example:
expansion_module.page_tip.blf_call_in.led = $LEDr300o300$
It means an infinite loop for page switch key LED status: illuminates solid red for 300ms and
then goes out for 300ms.
Note: It works only if the value of the parameter
“expansion_module.page_tip.blf_call_in.enable” is set to 1 (Enabled). It is only applicable to
EXP50 expansion modules connected to the SIP-T54S/T52S IP phones.
Web User Interface:
None

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