Yealink SIP-T38G Administrator's Guide

Upgrading the Firmware
195
This chapter provides information about upgrading the IP phone firmware. There are
two methods used to upgrade the firmware on the IP phone:
 Upgrade the firmware manually from the local system
 Upgrade the firmware from the provisioning server automatically.
The following table lists the associated firmware for each IP phone model:
IP Phone Model
Associated Firmware
SIP-T38G
38.x.x.x.rom
SIP-T32G
32.x.x.x.rom
Note
Upgrade via Web User Interface
To manually upgrade firmware via web user interface, you need to store the firmware to
your local system in advance.
To upgrade the firmware manually via web user interface:
1. Click on Phone->Upgrade.
2. Click Browse.
3. Select the firmware from the local system.
4. Click Upgrade.
You can download the latest firmware at: http://www.yealink.com/Support.aspx.

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