Yealink SIP-T48U 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-T48U Specifications

General

Handset type	Wired handset
Product type	IP Phone
Product color	Gray
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Expansion module support	Yes
Ethernet LAN (RJ-45) ports	2
Display diagonal	7 \
Display resolution	800 x 480 pixels
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	16
Voice codecs	AGC, AJB, AMR-WB, CNG, G.711, G.722, G.723.1, G.726, G.729ab, VAD, iLBC
Security algorithms	AES, HTTPS, SRTP, TLS
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet
Front camera	-
AC adapter input voltage	100 - 240 V
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Keypad number of keys	29
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

Width	226 mm
Height	185 mm