Yealink SIP-T48S User Manual

Customizing Your Phone
45
To change the transparency via phone user interface:
1. Tap ->Basic->Display->Transparency.
2. Tap the gray box of the Transparency field, and then select the desired value from the
pull-down list.
3. Tap the Save soft key to accept the change or to cancel.
Transparency is configurable via web user interface at the path Settings->Preference.
Screen Saver
The screen saver will automatically start when the IP phone is idle for the preset waiting time.
The screen saver is used to blank the screen or fill it with moving images or patterns.
The screen saver will be stopped when:
 Press any key.
 Tap the touch screen.
 Pick up the handset.
 Hang up the handset.
 There is an incoming call.
 A new prompt (e.g., missed call, new voice mail or forwarded call).
 The status of BLF key changes.

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