Yealink SIP-T48S User Manual

User Guide for the SIP-T48S IP Phone
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This field is configurable only if you have uploaded a custom picture via web user interface.
5. Tap the Save soft key to accept the change or to cancel.
To configure the screen saver via web user interface:
1. Click on Settings->Preference.
2. Select the desired wait time from the pull-down list of Screensaver Wait Time.
3. Select the desired value from the pull-down list of ScreenSaver Display Clock.
4. Select the desired screen saver type from the pull-down list of Screensaver Type.
- If you select System.
The IP phone will automatically set the built-in picture as the screen saver.
- If you select Custom.
The IP phone will automatically set the custom pictures you upload as the screen saver,
and display these pictures alternately.

Yealink SIP-T48S Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Keypad illumination	Yes
Display diagonal	7 \
Display resolution	800 x 480 pixels
AC adapter input voltage	100 - 240 V
AC adapter output current	2 A
AC adapter output voltage	5 V
USB 2.0 ports quantity	1
Ethernet LAN (RJ-45) ports	2
Front camera	No
Voice codecs	CNG, G.711Mu, G.711a, G.722, G.723.1, G.726, G.729ab, VAD, iLBC
Lines quantity	16 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	16
Dual-Tone Multi-Frequency (DTMF) modes	In-band, Out-of band, SIP info
Keypad number of keys	42
Security algorithms	AES
Networking standards	IEEE 802.3af
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet
Supported network protocols	SIP v1, SIP v2, LLDP/CDP/DHCP, OpenVPN, IEEE802.1X, IPv6, HTTPS
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	225 mm
Width	266 mm
Height	185 mm
Package depth	263 mm
Package width	324 mm
Package height	128 mm