Yealink SIP-T38G User Manual

Customizing Your Phone
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2. Press or , or the Switch soft key to select Disabled from the Keypad Lock
field.
3. Press the Save soft key to accept the change.
You can also activate or deactivate the keypad lock via web user interface at the path
Phone->Features->Phone Lock.
Note
You can press the Volume key to adjust the receiver volume of currently used audio
devices (handset, speakerphone or headset), when the phone is in the dialing interface
or during a call. You can also press the Volume key to adjust the ringer volume when the
phone is idle.
1. Press to adjust the ringer volume when the phone is in the idle
screen.
2. When the phone is during a call, press to adjust the volume of audio
The default PIN for unlock is 123, you can also unlock the keypad by administrator
password. When you enter the administrator password to unlock the keypad, the phone
will then turn to the Change PIN interface.

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