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Yealink SIP-T41S Administrator's Guide

Yealink SIP-T41S
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Audio Features
184
RTCP-XR Configuration
The following table lists the parameters you can use to configure the RTCP-XR.
Parameter
voice.rtcp_xr.enable
[1]
<y0000000000xx>.cfg
Description
It enables or disables the phone to send RTCP-XR packets.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Web UI
Settings > Voice Monitoring > Voice RTCP-XR Report
Parameter
voice.rtcp.enable
[1]
<y0000000000xx>.cfg
Description
It enables or disables the phone to send RTCP packets.
Permitted
Values
0-Disabled
1-Enabled
Default
1
Parameter
voice.rtcp_cname
[1]
<y0000000000xx>.cfg
Description
It configures the cname of the RTCP packets.
Permitted
Values
String
Default
Blank
[1]
If you change this parameter, the phone will reboot to make the change take effect.
VQ-RTCPXR
The VQ-RTCPXR mechanism, compliant with RFC 6035, sends the service quality metric reports contained in SIP
PUBLISH messages to the central report collector.
A wide range of performance metrics are generated in the following three ways:
l Based on current values, such as jitter, jitter buffer max, and round trip delay.
l Covers the time period from the beginning of the call until the report is sent, such as network packet loss.
l Computed using other metrics as input, such as listening Mean Opinion Score (MOS-LQ) and conversational
Mean Opinion Score (MOS-CQ).
Topics
Voice Quality Reports
VQ-RTCPXR Display
Central Report Collector
Voice Quality Reports
Three types of quality reports can be enabled:
l
Session: Generated at the end of a call.
l
Interval: Generated during a call at a configurable period.
l
Alert: Generated when the call quality degrades below a configurable threshold.
Topic
Voice Quality Reports Configuration

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Yealink SIP-T41S Specifications

General IconGeneral
MountingDesk/Wall
Handset typeWired handset
Product typeIP Phone
Product colorBlack
Keypad illuminationYes
Wi-FiNo
Networking standardsIEEE 802.3af
Ethernet LAN data rates10, 100 Mbit/s
Ethernet LAN interface typeFast Ethernet
Supported network protocolsSIP v1, SIP v2, LLDP/CDP/DHCP, OpenVPN, IEEE802.1X, IPv6, FTP/TFTP/HTTP/HTTPS
Volume controlDigital
Number of programmable keys6
Lines quantity6 lines
Phonebook capacity1000 entries
Dual-Tone Multi-Frequency (DTMF) modesIn-band, Out-of band, SIP info
Input frequency50/60 Hz
AC adapter input voltage100 - 240 V
AC adapter output current1.2 A
AC adapter output voltage5 V
Display diagonal2.7 \
Display resolution192 x 64 pixels
Operating temperature (T-T)-10 - 50 °C
Operating relative humidity (H-H)10 - 95 %
Voice codecsCNG, G.711Mu, G.711a, G.723.1, G.726, G.729ab, VAD, iLBC
CertificationCE
Cables includedLAN (RJ-45)
Number of handles included1 pc(s)
Harmonized System (HS) code85171800
Weight and Dimensions IconWeight and Dimensions
Depth189 mm
Width212 mm
Height175 mm
Package depth223 mm
Package width246 mm
Package height120 mm

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