Yealink SIP-T48U Administrator's Guide

Phone Customization
289
Recent Call Display in Dialing
Recent call display allows you to view the placed calls list when the phone is on the dialing screen (lifts the hand-
set, presses the Speakerphone key or desired line key). You can select to place a call from the placed calls list.
The following shows the recent calls displayed on T46S/G phones:
Topic
Recent Call in Dialing Configuration
Recent Call in Dialing Configuration
The following table lists the parameter you can use to configure the recent call display in dialing.
Parameter
super_search.recent_call <y0000000000xx>.cfg
Description
It enables or disables Recent Call in Dialing feature.
Permitted
Values
0-Disabled
1-Enabled, users can view the placed calls list when the phone is on the dialing screen.
Default
1
Web UI
Directory > Settings > Recent Call In Dialing
Icon Customization
You can upload custom DSS keys icons and menu icons to the phone. Contact Yealink FAE to obtain the Icon Tem-
plates Pack. Make sure that the name, size, and format of new icons are the same as the built-in ones.
It is only applicable to T57W/T54W/T48U/T48S/T46U/T46S phones.
Topic
Custom Icons Configuration
Custom Icons Configuration
The following table lists the parameters you can use to configure custom icons.
Parameter
phone_setting.icon.url
[1]
<y0000000000xx>.cfg
Description
It configures the access URL of the *.tar file for custom icons.
Permitted
Values
URL within 511 characters
Default
Blank

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