Yealink SIP-T48U Administrator's Guide

Phone Customization
203
Customizing the Screen Saver File
Screensaver File Elements and Attributes
The following table lists the elements and attributes you can use to add custom information in the screensaver file.
We recommend that you do not edit these elements and attributes.
Elements Attributes
Description
YealinkIPPhoneCustomScreenSaver
LineSpacing The vertical distance between different lines.
InsertImageLineNum
Specify which line to insert the image (configured by
the Image element).
Note: It is only applicable to color screen phones.
SystemTime
Size
horizontalAlign
verticalAlign
Color
Specify “show” or “hide” between <SystemTime> and
</SystemTime> to decide whether to display the time
and date.
Edit the attributes to decide how to display the time and
date, including the size, position, and color.
Note: Color is only applicable to color screen phones.
StatusIcons
horizontalAlign
verticalAlign
Specify “show” or “hide” between <StatusIcons> and
</StatusIcons> to decide whether to display the status
icons.
Edit the attributes to decide the icons displayed pos-
ition.
Line
Size
Align
Color
Specify the display text between <Line> and </Line>.
Edit the attributes to decide how to display the text,
including text size, position, and color.
Note: Color is only applicable to color screen phones.
Image
horizontalAlign
verticalAlign
height
width
Specify the display image source between <Image>
and </Image>.
Edit the attributes to decide how to display the image,
including position and size.
Note: It is only applicable to color screen phones. Ver-
ticalAlign works only if you do not configure Inser-
tImageLineNum or set the InsertImageLineNum to 0.
Customizing the Screen Saver File
1.
Open the screen saver file.
2.
Modify settings as you want.
3.
Save this file and place it to the provisioning server.
4.
Specify the access URL of the screen saver file in the configuration file.

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