Yealink SIP-T38G User Manual

User Guide SIP-T38G IP Phone
112
Why doesn’t the phone ring?
Check the ringer volume on your phone. To adjust the ringer volume setting, press the
Volume key when the phone is on-hook and idle. For more information, refer to Volume
on page 31.
Why can’t I receive calls?
 Check the SIP registration with your system administrator.
 Check DND (Do Not Disturb) mode is turned off on your phone. Refer to Do Not
Disturb (DND) on page 75.
 Check call forward feature is disabled on the phone. Refer to Call Forward on page
76.
 Check whether the caller number is stored in the blacklist directory. Refer to Blacklist
on page 39.
Why is my handset not working?
Check to ensure that the handset cord is fully connected to both the handset jack on the
phone and handset. Refer to Phone Installation on page 13.
Why is my headset not working?
 Check to ensure that the headset cord is fully connected to the headset jack on the
phone. Refer to Phone Installation on page 13.
 Check to ensure that the headset mode is activated. Refer to Headset Use on page
47.
 Check to ensure that the headset volume is adjusted to an appropriate level. Refer
to Volume on page 31.
How to change the user password?
You can change the user password via web user interface:
1. Click on Security->Password.
2. Enter the current user password in the Current Password field.
3. Enter the new user password in the New Password field and Confirm Password field.
4. Click Confirm to accept the change.
You can also contact your system administrator for help.

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