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Yealink SIP-T48U Administrator's Guide

Yealink SIP-T48U
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Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
532
place a new call.
Default
1
Parameter
phone_setting.end_call_net_disconnect.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to end the call if the network is unavailable during the call.
Permitted
Values
0-Disabled
1-Enabled, the phone will end the call and go to the Idle screen after 5 seconds.
Default
0
Parameter
features.station_name.value <y0000000000xx>.cfg
Description
It configures station name to be displayed on the top-left corner of the LCD screen.
Note: The text displayed might be truncated if “features.station_name.scrolling_display” is set to 0
(Disabled). For T43U/T42G/T42S/T42U/T41P/T41S/T27G phones, the station name is displayed in the
middle bottom of the idle screen.
Permitted
Values
Blank (the label of the default account will be displayed)
String
Default
Blank
Parameter
features.station_name.scrolling_display <y0000000000xx>.cfg
Description
It enables or disables the phone to scroll the string display on the top-left corner of the LCD screen.
Permitted
Values
0-Disabled
1-Enabled
Default
1
Parameter
phone_setting.incoming_call.reject.enable <y0000000000xx>.cfg
Description
It enables or disables the user to manually reject an incoming call on the phone.
Permitted
Values
0-Disabled, the Reject soft key disappears from the incoming call screen; pressing X/Mute key, tap
the on-hook key or using action URI to reject the call is not permitted.
1-Enabled
Default
1
Parameter
features.call_out_directory_by_off_hook.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to automatically dial out the selected contact from Directory once you
press the off-hook key.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Supported
Devices
CP920
Parameter
features.ok_key.talking.mode <y0000000000xx>.cfg

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Yealink SIP-T48U Specifications

General IconGeneral
Handset typeWired handset
Product typeIP Phone
Product colorGray
USB 2.0 ports quantityUSB 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 supportYes
Ethernet LAN (RJ-45) ports2
Display diagonal7 \
Display resolution800 x 480 pixels
Lines quantity- lines
Phonebook capacity1000 entries
Number of VoIP accounts16
Voice codecsAGC, AJB, AMR-WB, CNG, G.711, G.722, G.723.1, G.726, G.729ab, VAD, iLBC
Security algorithmsAES, HTTPS, SRTP, TLS
Ethernet LAN data rates10, 100, 1000 Mbit/s
Ethernet LAN interface typeGigabit Ethernet
Front camera-
AC adapter input voltage100 - 240 V
Operating temperature (T-T)0 - 40 °C
Operating relative humidity (H-H)10 - 95 %
Keypad number of keys29
Number of handles included1 pc(s)
Harmonized System (HS) code85171800
Weight and Dimensions IconWeight and Dimensions
Width226 mm
Height185 mm

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