Yealink SIP-T48U Administrator's Guide

Phone Customization
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3.
Save the change and place this file to the provisioning server.
Ime File Elements and Attributes
The following table lists the elements and attributes you need to understand in the Ime file. We recommend that you
do not edit these elements and attributes.
Elements Attributes Description
KeyboardIme
Layout Configures the Layout file that the keyboard will use.
DisplayName
Configures the display name of the input mode when the input mode
changes to lowercase.
CapitalName
Configures the display name of the input mode when the input mode
changes to uppercase.
ImeType
It can be set to Char or Symbol. If it is set to Symbol, the shift key will
not take effect.
Line /
Specifies a line on the keyboard.
The first Line element represents the first line of the keyboard.
Key
ImeNormal
Configures the characters the key provides when the input mode is set
to lowercase.
ImeCapital
Configures the characters the key provides when the input mode is set
to uppercase.
Note: It works only if the ImeType is set to Char.
Function
Configures the key’s function. There are 11 types of values for function
attributes, you can set to different values to provide different functions.
The details are introduced below.
The following table lists the usage of the function keys:
No. Function Key Usage
1 backspace Delete the entered characters.
2 space Enter spaces.
3 enter Confirm the settings/Go to the next field.
4 left Position the cursor.

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