Yealink SIP-T40G User Manual

Customizing Your Phone
49
Procedure:
1. Navigate to Menu->Basic->Display->Transparency.
2. Select the desired value from the pull-down list of Transparency.
3. Tap Save.
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 will be stopped if one of the following phone events occurs:
 Press any key.
 Tap the touch screen (on the SIP-T48S/T48G IP phone).
 Pick up/hang up the handset.
 There is an incoming call.
 A new prompt (for example, missed call, new voice mail or forwarded call).
 The status of BLF key changes.
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Yealink SIP-T40G Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Wall mountable	Yes
Wi-Fi	No
Security algorithms	AES, HTTPS, SSL/TLS
Networking standards	IEEE 802.3af
Ethernet LAN interface type	Gigabit Ethernet
Supported network protocols	FTP, TFTP, HTTP, HTTPS
Voice codecs	G.711, G.711a, G.711u, G.722, G.726, G.729ab
RJ-11 ports quantity	1
Ethernet LAN (RJ-45) ports	2
AC adapter input voltage	100 - 240 V
AC adapter output current	0.6 A
AC adapter output voltage	5 V
Power consumption (typical)	1.6 W
Certification	CE, FCC, ISO 9001
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 90 %
Volume control	Digital
Display diagonal	2.3 \
Display resolution	132 x 64 pixels
Lines quantity	3 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	3
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	175 mm
Width	212 mm
Height	54 mm