Yealink SIP-T48U Administrator's Guide

Advanced Features
482
Press OK on the phone to allow remote control. The phone will return to the previous screen.
Refresh the web page.
The browser will display an image of the phone’s current screen. You can save the image to your local sys-
tem.
l Else, the browser will display an image of the phone’s current screen directly. You can save the image to
your local system.
Note: Frequent capture may affect phone performance. Yealink recommends you to capture the phone screen display within
a minimum interval of 4 seconds.
Example: Placing a Call via Web User Interface
Procedure
1. Navigate to Directory > Phone Call Info.
2. Select the desired account from the Outgoing Identity drop-down menu.
3. Enter the callee’s number in the Dial Number field.
4. Click Dial to dial out the number.
The web user interface prompts “Call Success” and the phone will automatically dial out the number.
You can click Hang Up to end the call.

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