Yealink SIP-T38G Administrator's Guide

Administrator’s Guide for SIP-T3xG IP Phones
40
You can configure the backlight time as one of the following types:
 Always On: Backlight is turned on permanently.
 1min, 2min, 5min, 10min or 30min: Backlight is turned off when the IP phone is
inactive after a preset period of time (in minutes), but it is automatically turned on if
the status of the IP phone changes or any key is pressed.
Procedure
Backlight can be configured using the configuration files or locally.
Configuration File
<y0000000000xx>.cfg
Configure the backlight of the
LCD screen.
For more information, refer to
Backlight on page 235.
Local
Web User Interface
Configure the backlight of the
LCD screen.
Navigate to:
http://<phoneIPAddress>/cgi-bin/
cgiServer.exx?page=Phone-Pref
erence.htm
Phone User Interface
Configure the backlight of the
LCD screen.
To configure the backlight via web user interface:
1. Click on Phone->Preference.
2. Select the desired value from the pull-down list of Active Backlight Level.
3. Select the desired value from the pull-down list of Inactive Backlight Level.

Yealink SIP-T38G Specifications

General

Expansion module support	Yes
Ethernet LAN (RJ-45) ports	2
Keypad number of keys	48
Touchscreen	-
Display resolution	480 x 272 pixels
Display number of colors	16.78 million colors
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	6
Voice codecs	G.711, G.722, G.723.1, G.726
Bluetooth	No
Security algorithms	802.1x RADIUS, HTTPS, SSL/TLS
AC adapter input voltage	100 - 240 V
AC adapter output voltage	5 V
Power consumption (typical)	4.6 W
Operating relative humidity (H-H)	10 - 95 %
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Compliance industry standards	IEEE 802.3af
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	204 mm
Width	273 mm
Height	42 mm
Weight	1050 g