Yealink SIP-T38G User Manual

Customizing Your Phone
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2. Press or , or the Switch soft key to select the desired type from the Keypad
Lock field.
3. Press the Save soft key to accept the change.
4. Long press to lock the keypad immediately when the phone is idle.
The LCD screen prompts “Keypad Locked!” and displays the icon .
If the keypad lock feature is activated to be Lock&Answer, an additional icon
will appear on the LCD screen.
You can configure the interval (in seconds) to automatically lock the keypad instead of
long pressing .
To configure the timeout for auto lock via web user interface:
1. Click on Phone->Features.
2. Click the “+”sign on the left of the Phone Lock to expand the feature list.
3. Enter the desired time in the Auto Lock Time-out (0~3600s) filed. The default value is

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