Yealink SIP-T57W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
189
Values 1-Enabled
Default
1
Web UI
Settings > Voice Monitoring > Report Options on Phone > Packets Lost
Parameter
phone_setting.vq_rtcpxr_display_symm_oneway_delay.en-
able
<y0000000000xx>.cfg
Description
It enables or disables the phone to display SymmOneWayDelay on the phone screen.
Note: It works only if “phone_setting.vq_rtcpxr.states_show_on_gui.enable” is set to 1 (Enabled).
Permitted
Values
0-Disabled
1-Enabled
Default
0
Web UI
Settings > Voice Monitoring > Report Options on Phone > SymmOneWayDelay
Parameter
phone_setting.vq_rtcpxr_display_round_trip_delay.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to display RoundTripDelay on the phone screen.
Note: It works only if “phone_setting.vq_rtcpxr.states_show_on_gui.enable” is set to 1 (Enabled).
Permitted
Values
0-Disabled
1-Enabled
Default
0
Web UI
Settings > Voice Monitoring > Report Options on Phone > RoundTripDelay
Parameter
phone_setting.vq_rtcpxr_display_moslq.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to display MOS-LQ on the phone screen.
Note: It works only if “phone_setting.vq_rtcpxr.states_show_on_gui.enable” is set to 1 (Enabled).
Permitted
Values
0-Disabled
1-Enabled
Default
1
Web UI
Settings > Voice Monitoring > Report Options on Phone > MOS-LQ
Parameter
phone_setting.vq_rtcpxr_display_moscq.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to display MOS-CQ on the phone screen.
Note: It works only if “phone_setting.vq_rtcpxr.states_show_on_gui.enable” is set to 1 (Enabled).
Permitted
Values
0-Disabled
1-Enabled
Default
1
Web UI
Settings > Voice Monitoring > Report Options on Phone > MOS-CQ
Central Report Collector
To operate with the central report collector, the phones must be configured to forward their voice quality reports to
the specified report collector. You can specify the report collector on a per-line basis.
Topic
Central Report Collector Configuration

Yealink SIP-T57W Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Gray
Ethernet LAN	Yes
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Security algorithms	AES, HTTPS, MD5, SRTP
Networking standards	IEEE 802.11a, IEEE 802.11ac, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Ethernet LAN interface type	Gigabit Ethernet
Supported network protocols	FTP/TFTP/HTTP/HTTPS
Dual-Tone Multi-Frequency (DTMF) modes	In-band, Out-of band, SIP info
USB 2.0 ports quantity	1
Ethernet LAN (RJ-45) ports	2
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	16
AC adapter input voltage	100 - 240 V
AC adapter output current	2 A
AC adapter output voltage	5 V
Volume control	Buttons
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Display diagonal	7 \
Display resolution	800 x 480 pixels
Front camera	No
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Voice codecs	G.722, G.723.1, G.726, G.729A, G.729B, iLBC

Weight and Dimensions

Depth	220 mm
Width	259.4 mm
Height	211 mm