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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
244
ish_LA, Turkish and Russian.
Permitted
Values
URL within 511 characters
Default
Blank
Parameter
gui_input_method.delete <y0000000000xx>.cfg
Description
It deletes the specified or all custom keypad input method files of the phone user interface.
Delete all custom keypad input method files:
gui_input_method.delete = http://localhost/all
Delete a custom keypad input method file (for example, custom_ime.txt) for the phone:
gui_input_method.delete = http://localhost/custom_ime.txt
Permitted
Values
http://localhost/all or http://localhost/Name.txt
Default
Blank
Parameter
default_input_method.dialing <y0000000000xx>.cfg
Description
It configures the default input method in the dialing screen.
Permitted
Values
0-2aB
1-123
2-abc
3-ABC
Default
1
Parameter
directory.edit_default_input_method <y0000000000xx>.cfg
Description
It configures the default input method when the user edits contacts in the Local Directory, LDAP,
Remote Phone Book, Blacklist or Network Directory.
Permitted
Values
Abc, 2aB, 123, abc, ABC or Hebrew
Note: By default, the Hebrew input method is hidden, the phone will automatically use the Hebrew
input method when the language is set to Hebrew.
Default
Abc
Parameter
directory.search_default_input_method <y0000000000xx>.cfg
Description
It configures the default input method when the user searches for contacts in the Local Directory,
LDAP, Remote Phone Book, Blacklist or Network Directory.
Permitted
Values
Abc, 2aB, 123, abc or ABC
Default
Abc
Parameter
default_input_method.xml_browser_input_screen <y0000000000xx>.cfg
Description
It configures the default input method when the type for input box is set to “string in the InputScreen
object.
Note: For T57W/T48U/T48S/T48G, it works only if "phone_setting.virtual_keyboard.enable" is set to 0
(Disabled).
Permitted
Values
Abc, 2aB, 123, abc or ABC

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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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