Yealink SIP-T38G Administrator's Guide

Administrator’s Guide for SIP-T3xG IP Phones
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To change the administrator password via phone user interface:
1. Press Menu->Setting->Advanced Settings (password: admin) ->Set Password.
2. Enter the old password in the Current PWD field.
3. Enter the new password in the New PWD field.
4. Enter the new password again in the Confirm PWD field.
5. Press the Save soft key to accept the change.
Phone lock is used to lock the IP phones to prevent it from unauthorized use. Once the IP
phone is locked, a user needs to enter the password to unlock it. The IP phone offers four
types of phone lock: Menu Key, Function Keys, All Keys and Answer call only. The IP
phone lock feature cannot take effect immediately after the IP phone lock type is
configured. One of the following steps is also needed by the user:
- Long press the pound key when the IP phone is idle.
- Press the keypad lock key (if configured) when the IP phone is idle.
In addition to the steps above, you can configure the IP phone to automatically lock the
keypad after a time interval.
Procedure
Phone lock can be configured using the configuration files or locally.
Configuration File
<y0000000000xx>.cfg
Configure the type of phone
lock.
Change the unlock password.
Configure the IP phone to
automatically lock the keypad
after a time interval.
For more information, refer to
Phone Lock on page 237.
Assign a keypad lock key.
For more information, refer to
Keypad Lock Key on page 322.
Local
Web User Interface
Configure the type of phone
lock.
Change the unlock password.
Configure the IP phone to
automatically lock the keypad
after a time interval.
Navigate to:

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