Yealink SIP-T38G Administrator's Guide

Administrator’s Guide for SIP-T3xG IP Phones
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phone will perform the specified action and respond with a 200 OK message. The HTTP
GET request may contain variable named as ―key‖ and variable value, which are
separated by ―=‖. The URI format is: http://IP address of phone/cgi-bin/
cgiServer.exx?key= variable value (e.g.
http://192.168.1.5/cgi-bin/cgiServer.exx?key=MUTE). Entering the URI in the web
browser triggers the IP phone to perform the predefined action (e.g. mute the call).
The following table lists the variable values may be used when specifying a URI:
Variable
Phone Action
key=OK/key=ENTER
Press the OK key or the Enter soft key.
key=SPEAKER
Press the Speaker key.
key=F_TRANSFER
Press the Transfer key.
key=VOLUME_UP
Increase the volume.
key=VOLUME_DOWN
Decrease the volume.
key=MUTE
Mute the call.
key=F_HOLD
Press the Hold key.
key=X
Press the X key.
key=0-9/*/POUND
Send the DTMF digit (0-9, * or #).
key=L1-L6
Press the Line key.
key=D1-D10
Press the DSS key.
key=F_CONFERENCE
Press the Conference key.
key=F1-F4
Press the Soft key.
key=MSG
Press the MESSAGE key.
key=HEADSET
Press the HEADSET key.
key=RD
Press the Redial key.
key=UP/DOWN/LEFT/RIGHT
Press the Navigation keys.
key=Reboot
Reboot the IP phone.
key=AutoP
Let the IP phone do auto provisioning.
key=DNDOn
Activate the DND mode.
key=DNDOff
Deactivate the DND mode.
Note
For security reasons, the IP phone does not receive and handle the HTTP GET request by
default. You need to specify the trusted IP address for Action URI. When receiving the
The variable does not work with all events. For example, the variable ―key=MUTE‖ is
only applicable when the IP phone is during a call.

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