Yealink SIP-T38G Administrator's Guide

Administrator’s Guide for SIP-T3xG IP Phones
260
seconds) for account X.
T4 represents the time the network will take
to clear messages between the SIP Client
and SIP Server.
X ranges from 1 to 6.
Format
Float
Default Value
5
Example
account.1.advanced.timer_t4 = 10
Parameter-
account.x.session_timer.enable
Configuration File
<MAC>.cfg
Description
Enables or disables the session timer for
account X.
If set to 1 (Enabled), IP phone sends periodic
re-INVITE requests to refresh the session
during a call.
X ranges from 1 to 6.
Format
Boolean
Default Value
0
Range
0-Disabled
1-Enabled
Example
account.1.session_timer.enable = 1
Parameter-
account.x.session_timer.expires
Configuration File
<MAC>.cfg
Description
Configures the IP phone to refresh the session
during a call at regular intervals (in seconds)
for account X.
If set to 180 (180s), the IP phone refreshes the
session during a call before 180 seconds.
X ranges from 1 to 6.
Format
Integer
Default Value
Blank

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