Yealink SIP-T38G Administrator's Guide

Administrator’s Guide for SIP-T3xG IP Phones
270
2-RFC 4916 (Derives the name and number
of the callee from ―From‖ header in the
Update message).
When the RFC 4916 is enabled on the IP
phone, the caller sends the SIP request
message which contains the from-change
tag in the Supported header. The caller then
receives an UPDATE message from the
callee, and displays the identity in the From
header.
X ranges from 1 to 6.
Format
Integer
Default Value
0
Range
0 to 2
Example
account.1.cp_source = 2
Parameter-
account.x.dtmf.type
Configuration File
<MAC>.cfg
Description
Specifies the DTMF type for account X.
If set to 0 (INBAND), DTMF digits are
transmitted in the voice band (G.711).
If set to 1 (RFC 2833), DTMF digits are
transmitted by RTP Events compliant to RFC
2833.
If set to 2 (SIP INFO), DTMF digits are
transmitted by the SIP INFO messages.
If set to 3 (AUTO+SIP INFO), negotiates with
the other end to use INBAND or RFC 2833, if
there is no negotiation, using SIP INFO by
default.
X ranges from 1 to 6.
Format
Integer
Default Value
1
Range
Valid values are:
0-INBAND
1-RFC 2833

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