Yealink SIP-T52S Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
862
Parameters
Permitted
Values
Default
account.1.codec.g729.priority = 8
account.1.codec.g726_16.priority = 0
account.1.codec.g726_24.priority = 0
account.1.codec.g726_32.priority = 0
account.1.codec.g726_40.priority = 0
account.1.codec.ilbc.priority = 0
account.1.codec.g723_53.priority = 0
account.1.codec.g723_63.priority = 0
account.1.codec.opus.priority = 0
Note: The priority of codec in disable codec list is not specified, and numerical value 1
is defined as the highest priority in the enable codec list. 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:
Account->Codec->Audio Codec
Phone User Interface:
None
account.X.codec.<payload_type>.rtpmap
(where <payload_type> should be replaced by
the name of audio codec)
Integer
from 0 to
127
Refer to the
following content
Description:
Configures the rtpmap of the audio codec for account X.
X ranges from 1 to 16 (for SIP-T54S/T48G/T48S/T46G/T46S/T29G)
X ranges from 1 to 12 (for SIP-T52S/T42G/T42S)
X ranges from 1 to 6 (for SIP-T41P/T41S/T27P/T27G)
X ranges from 1 to 3 (for SIP-T40P/T40G/T23P/T23G)
X ranges from 1 to 2 (for SIP-T21(P) E2)
X is equal to 1 (for SIP-T19(P) E2/CP860/CP920)
Valid Audio Codec:
For SIP-T48G/T46G/T42G/T41P/T29G/T27P/CP860:
G726-16, G726-24, G726-32, G726-40, iLBC
For SIP-T54S/T52S/T48S/T46S/T42S/T41S/T40P/T40G/T27G/T23P/T23G/T21(P)
E2/T19(P) E2:
G726-16, G726-24, G726-32, G726-40, iLBC, opus
For CP920:

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