Yealink SIP-T38G User Manual

Troubleshooting
113
How to reboot the phone?
To reboot the IP phone via web user interface:
1. Click on Phone->Upgrade.
2. Click Reboot to reboot the IP phone.
Note
How to reset your phone?
Reset your phone when other Troubleshooting suggestions do not correct the problem.
You need to note that all customized settings will be overwritten after resetting. We
recommend asking your system administrator for advice before resetting your phone.
To reset your phone via phone user interface:
1. Press Menu->Setting->Advanced Settings (password: admin).
2. Press or to scroll to Reset to factory, and then press the Enter soft key.
The LCD screen prompts the following message:
3. Press the OK soft key.
Note
How to Export PCAP Trace?
We may need you to provide a PCAP Trace to help analyze your problem.
To export a PCAP Trace via web user interface:
1. Click on Phone->Upgrade.
2. Click Start to begin recording signal traffic.
3. Recreate the error to be documented in the trace.
4. Click Stop to end recording.
5. Click Export to open file download window, and then save the file to your local
system.
Any reboot of your phone may take a few minutes.
Reset of your phone may take a few minutes.

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