Yealink SIP-T38G Manual

Gigabit Color IP Phone Using the Advanced Phone Functions
To assign the key as Zero-sp-touch:
1) Choose DSS Key->Memory Key or Line Key, choose one of the keys you want to
make the assignment, there is a pull-down menu in the Type field, and choose
Zero-sp-touch from the list.
2) Press Confirm button to save the changes
URL
If the key is configured as URL, then pressing this key, you can send HTTP requests to
a web server.
To assign the key as URL:
1) Choose DSS Key->Memory Key, choose one of the keys you want to make the
assignment, there is a pull-down menu in the Type field, and choose URL from the
list.
2) Enter the number you want to set as URL in the Value field.
3) Press Confirm button to save the changes.
Voice
To edit the Voice filed via Web interface:
1）Choose Phone->Voice.
2) Set the following parameters shown in the table.
3) Press Confirm button to save the changes, or press Cancel button to cancel the
changes.
Parameter
Description
Echo canceller
Defines whether to enable the echo canceller.
VAD
Voice activity detection (VAD), also known as speech activity
detection or speech detection, is a technique used in speech
processing in which the presence or absence of human speech is
detected.
CNG
A comfort noise generator (CNG) is a program used to generate
background noise for voice communications during periods of
silence that occur during the course of conversation.
JITTER BUFFER
It is a shared data area where voice packets can be collected,
stored, and sent to the voice processor in evenly.
Type
To choose the type of JITTER BUFFER, adaptive or Fixed.
Delay
To set the Min Delay, Max Delay and Normal Delay parameter.

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