Yealink SIP-T52S Administrator's Guide

Configuring Audio Features
863
Parameters
Permitted
Values
Default
G722_1c_48, G722_1c_32, G722_1c_24, G722_1_24, G726-16, G726-24,
G726-32, G726-40, iLBC, Opus
Default:
When audio codec is G722_1c_48, the default value is 121;
When audio codec is G722_1c_32, the default value is 122;
When audio codec is G722_1c_24, the default value is 123;
When audio codec is G722_1_24, the default value is 124;
When audio codec is G726-16, the default value is 103;
When audio codec is G726-24, the default value is 104;
When audio codec is G726-32, the default value is 102;
When audio codec is G726-40, the default value is 105;
When audio codec is iLBC, the default value is 106;
When audio codec is opus, the default value is 107;
Example:
ccount.1.codec.g722_1c_48kpbs.rtpmap = 121
account.1.codec.g722_1c_32kpbs.rtpmap = 122
account.1.codec.g722_1c_24kpbs.rtpmap = 123
account.1.codec.g722_1_24kpbs.rtpmap = 124
account.1.codec.g726_16.rtpmap = 103
account.1.codec.g726_24.rtpmap = 104
account.1.codec.g726_32.rtpmap = 102
account.1.codec.g726_40.rtpmap = 105
account.1.codec.ilbc.rtpmap = 108
account.1.codec.opus.rtpmap = 107
Note: The name of audio codec in this parameter should be the correct one as listed in
the above example, otherwise the corresponding configuration will not take effect.
Web User Interface:
None
Phone User Interface:
None
account.X.codec.opus.para
opus-fb to
opus-nb
Refer to the
following content
Description:
Configures the sample rate of the opus audio codec for account X.
X ranges from 1 to 16 (for SIP-T54S/T48S/T46S)
X ranges from 1 to 12 (for SIP-T52S/T42S)

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