Yealink SIP-T52S Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
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The following table identifies the corresponding ring tone:
Value of N
Ring Tone
(features.alert_info_tone = 1)
Ring Tone
(features.alert_info_tone = 0)
1
Bellcore-dr1
Ring1.wav
2
Bellcore-dr2
Ring2.wav
3
Bellcore-dr3
Ring3.wav
4
Bellcore-dr4
Ring4.wav
5
Bellcore-dr5
Ring5.wav
6
Ring6.wav
7
Ring7.wav
8
Ring8.wav
9
Silent.wav
10
Splash.wav
N<1 or
N>10
Ring1.wav
Examples:
Alert-Info: http://127.0.0.1/Bellcore-dr1
Alert-Info: test/Bellcore-dr1
Alert-Info: Bellcore-dr1
Alert-Info: Bellcore-dr1;x-line-id=1
Alert-Info: <http://10.1.0.31>;info=Bellcore-dr1
The following table identifies the different Bellcore ring tone patterns and cadences (These ring
tones are designed for the BroadWorks server).
Bellcore Tone
Pattern
ID
Pattern
Cade
nce
Minimum
Duration
(ms)
Nominal
Duration
(ms)
Maximum
Duration
(ms)
Bellcore-
dr1(standard)
1
Ringing
2
s
O
n
1800
2000
2200
Silent
4
s
O
f
f
3600
4000
4400
Bellcore-dr2
2
Ringing
Long
630
800
1025
Silent
315
400
525
Ringing
Long
630
800
1025
Silent
3475
4000
4400

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