Yealink SIP-T41S Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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ilbc_15_2kpbs-iLBC_15_2kbps
ilbc_13_33kpbs-iLBC_13_33kbps
Example:
account.1.codec.g722.priority = 1
Note: The priority of the codec in the disable codec list is not specified, and numerical value 1 is
defined as the highest priority in the enable codec list. The name of the audio codec in this parameter
should be the correct one as listed in the above example, otherwise, the corresponding configuration
will not take effect.
Permitted
Values
Integer from 0 to 13 (17 for CP920 phones)
Default
When the audio codec is G722.1c (48kb/s), the default value is 1;
When the audio codec is G722.1c (32kb/s), the default value is 2;
When the audio codec is G722.1c (24kb/s), the default value is 3;
When the audio codec is G722.1 (24kb/s), the default value is 4;
When the audio codec is G722, the default value is 1 (5 for CP920 phones);
When the audio codec is PCMU, the default value is 2 (6 for CP920 phones);
When the audio codec is PCMA, the default value is 3 (7 for CP920 phones);
When the audio codec is G729, the default value is 4 (8 for CP920 phones);
When the audio codec is G726_16, the default value is 0;
When the audio codec is G726_24, the default value is 0;
When the audio codec is G726_32, the default value is 0;
When the audio codec is G726_40, the default value is 0;
When the audio codec is G723_53, the default value is 0;
When the audio codec is G723_63, the default value is 0;
When the audio codec is Opus, the default value is 0;
When the audio codec is iLBC_15_2kbps, the default value is 0;
When the audio codec is iLBC_13_33kpbs, the default value is 0;
Web UI
Account > Codec > Audio Codec
Parameter
account.X.codec.opus.para
[1]
<MAC>.cfg
Description
It configures the sample rate of the Opus audio codec.
Permitted
Values
opus-fb-Opus-FB (48KHz) (only for T57W/T54W/T53W/T53/T48U/T46U/T43U/T42U/CP920)
opus-swb-Opus-SWB (24KHz) (only for T57W/T54W/T53W/T53/T48U/T46U/T43U/T42U/CP920)
opus-wb-Opus-WB (16KHz)
opus-mb-Opus-MB (12KHz) (only for T57W/T54W/T53W/T53/T48U/T46U/T43U/T42U/CP920)
opus-nb-Opus-NB (8KHz)
Default
opus-wb (opus-fb for CP920 phones)
Supported
Devices
T57W, T54W, T53W, T53, T48U, T48S, T46U, T46S, T43U, T42U, T42S, T41S, T27G, CP920

Yealink SIP-T41S Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Keypad illumination	Yes
Wi-Fi	No
Networking standards	IEEE 802.3af
Ethernet LAN data rates	10, 100 Mbit/s
Ethernet LAN interface type	Fast Ethernet
Supported network protocols	SIP v1, SIP v2, LLDP/CDP/DHCP, OpenVPN, IEEE802.1X, IPv6, FTP/TFTP/HTTP/HTTPS
Volume control	Digital
Number of programmable keys	6
Lines quantity	6 lines
Phonebook capacity	1000 entries
Dual-Tone Multi-Frequency (DTMF) modes	In-band, Out-of band, SIP info
Input frequency	50/60 Hz
AC adapter input voltage	100 - 240 V
AC adapter output current	1.2 A
AC adapter output voltage	5 V
Display diagonal	2.7 \
Display resolution	192 x 64 pixels
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Voice codecs	CNG, G.711Mu, G.711a, G.723.1, G.726, G.729ab, VAD, iLBC
Certification	CE
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	189 mm
Width	212 mm
Height	175 mm
Package depth	223 mm
Package width	246 mm
Package height	120 mm