Yealink SIP-T52S Auto Provisioning Guide

Obtaining the Provisioning Server Address
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The following figure shows the example messages of obtaining the TFTP server address from an
IPv4 custom DHCP option:
Right click the root node of the custom option (e.g., option 128) shown on the above figure, and
select Copy->Bytes->Printable Text Only. Paste the copied text in your favorite text editor to
check the address, for example, tftp://192.168.1.100/.
Phone Flash
Yealink IP phones can obtain the provisioning server address from the IP phone flash. To obtain
the provisioning server address by reading the IP phone flash, make sure the configuration is set
properly.
To configure the IP phone flash via web user interface:
1. Click on Settings->Auto Provision.

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