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Yealink SIP-T52S Administrator's Guide

Yealink SIP-T52S
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Configuring Audio Features
829
Bellcore Tone
Pattern
ID
Pattern
Cade
nce
Minimum
Duration
(ms)
Nominal
Duration
(ms)
Maximum
Duration
(ms)
Bellcore-dr3
3
Ringing
Short
315
400
525
Silent
145
200
525
Ringing
Short
315
400
525
Silent
145
200
525
Ringing
Long
630
800
1025
Silent
2975
4000
4400
Bellcore-dr4
4
Ringing
Short
200
300
525
Silent
145
200
525
Ringing
Long
800
1000
1100
Silent
145
200
525
Ringing
Short
200
300
525
Silent
2975
4000
4400
Bellcore-dr5
5
Ringing
450
500
550
Note
2) Alert-Info: ringtone-N (or Alert-Info: MyMelodyN)
When the Alter-Info header contains the keyword ringtone-N or MyMolodyN, the IP phone
will play the corresponding local ring tone (RingN.wav), or play the first local ring tone
(Ring1.wav) in about 10 seconds if N is greater than 10 or less than 1.
Examples:
Alert-Info: ringtone-2
Alert-Info: ringtone-2;x-line-id=1
Alert-Info: <http://10.1.0.31>;info=ringtone-2
Alert-Info: <http://127.0.0.1/ringtone-2>
Alert-Info: MyMelody2
Alert-Info: MyMelody2;x-line-id=1
Alert-Info: <http://10.1.0.31>;x-line-id=0;info=MyMelody2
If the user is waiting for a call, Bellcore-dr5 is a ring splash tone that reminds the user that the
DND or Always Call Forward feature is enabled on the server side.

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Yealink SIP-T52S Specifications

General IconGeneral
Touchscreen-
Display diagonal2.8 \
Backlight displayYes
Display resolution320 x 240 pixels
Lines quantity16 lines
Phonebook capacity1000 entries
Number of VoIP accounts12
AC adapter input voltage100 - 240 V
Bluetooth version2.1+EDR
Security algorithms802.1x RADIUS, HTTPS, MD5
Ethernet LAN interface typeGigabit Ethernet
USB 2.0 ports quantity1
Ethernet LAN (RJ-45) ports2
MountingDesk/Wall
Handset typeWired handset
Product typeIP Phone
Product colorBlack
Voice codecsG.722, G.723, G.723.1, G.726, OPUS, iLBC
Volume controlDigital
Operating temperature (T-T)-10 - 40 °C
Operating relative humidity (H-H)10 - 95 %
Cables includedLAN (RJ-45)
Number of handles included1 pc(s)
Front cameraNo
Operating system installedLinux
Weight and Dimensions IconWeight and Dimensions
Depth212 mm
Width211.6 mm
Height166.8 mm

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