Yealink SIP-T52S Administrator's Guide

Configuring Audio Features
821
The ring tone format must meet the following:
Phone Model
Format
Single File Size
Note
SIP-
T54S/T52S/T48S/T46S/T42S/T41
S/T27G
.wav
<=8MB
2MB of space should be
reserved for the phone
SIP-T48G/T46G/T29G
.wav
<=8MB
2.4MB of space should
be reserved for the
phone)
SIP-
T42G/T41P/T40P/T40G/T27P/T23
P/T23G/T21(P) E2/T19(P)
E2/CP860/CP920
.wav
<=100KB
5KB of space should be
reserved for the phone
Note
Procedure
Ring tones can be configured using the following methods.
Central
Provisioning
(Configuration File)
<y0000000000xx>.
cfg
Configure a ring tone for the IP phone.
Parameter:
phone_setting.ring_type
Specify the access URL of the custom ring
tone.
Parameter:
ringtone.url
Delete all custom ring tone files.
Parameter:
ringtone.delete
<MAC>.cfg
Configure a ring tone for the SIP account.
Parameter:
account.X.ringtone.ring_type
Configure a ring tone for the PSTN
account.
Parameter:
pstn.account.X.ring_type
The ring tone file must be PCMU audio format, mono channel, 8K sample rate and 16 bit
resolution.

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