Yealink SIP-T52S Administrator's Guide

Configuring Advanced Features
737
Parameters
Permitted Values
Default
Example:
action_url.call_waiting_off = http://192.168.0.20/help.xml?IP=$ip
Web User Interface:
Features->Action URL->Close Call Waiting
Phone User Interface:
None
action_url.headset
URL within 511 characters
Blank
Description:
Configures the action URL the IP phone sends when pressing the HEADSET key.
Example:
action_url.headset = http://192.168.0.20/help.xml?IP=$ip
Note: It is not applicable to CP860/CP920 IP phones.
Web User Interface:
Features->Action URL->Headset
Phone User Interface:
None
action_url.handfree
URL within 511 characters
Blank
Description:
Configures the action URL the IP phone sends when pressing the Speakerphone key.
Example:
action_url.handfree = http://192.168.0.20/help.xml?IP=$ip
Note: It is not applicable to CP860/CP920 IP phones.
Web User Interface:
Features->Action URL->Handfree
Phone User Interface:
None
action_url.cancel_callout
URL within 511 characters
Blank
Description:
Configures the action URL the IP phone sends when cancels the outgoing call in the ring-

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