Yealink SIP-T52S Administrator's Guide

Configuring Basic Features
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<contact display_name="" office_number="" mobile_number="" other_number="" line=""
ring="" group_id_name="" default_photo=""/>
4. Specify the values within double quotes.
For example:
<group display_name="Friend" ring="Splash.wav"/>
<contact display_name="Lily" office_number="1020" mobile_number="1021"
other_number="1112" line="1,2" ring="Ring1.wav" group_id_name="Friend"
default_photo="Config:cutom1.jpg"/>
<contact display_name="Tom" office_number="2020" mobile_number="2021"
other_number="2112" line="2" ring="Ring1.wav" group_id_name="Friend"
default_photo="Config:cutom2.png"/>
5. Save the change and place this file to the provisioning server.
6. Specify the access URL of the custom local contact template file in the configuration files.
There are two methods to specify custom avatar and icon for contacts:
Method 1:
local_contact.photo.url = tftp://192.168.10.25/cutom1.jpg
local_contact.photo.url = tftp://192.168.10.25/cutom2.png
local_contact.data.url = tftp://192.168.10.25/contact.xml
local_contact.icon_image.url = tftp://192.168.10.25/cutom1.jpg
local_contact.icon_image.url = tftp://192.168.10.25/cutom2.png
During the auto provisioning process, the IP phone connects to the provisioning server
“192.168.10.25”, and downloads the avatars (cutom1.jpg and cutom2.png), icons
(cutom1.jpg and cutom2.png) and the contact file “contact.xml”.
Method 2:
local_contact.image.url = tftp://192.168.10.25/photo1.tar
local_contact.data.url = tftp://192.168.10.25/contact.xml
local_contact.icon.url = tftp://192.168.10.25/photo2.tar

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