Yealink SIP-T38G Administrator's Guide

Configuring Basic Features
75
2. Press or , or the Switch soft key to select the desired value from the Call
Completion field.
3. Press the Save soft key to accept the change.
The anonymous call feature allows the caller to block the identity from showing up to the
callee when placing a call. The callee’s phone LCD screen presents anonymous instead
of the caller’s identity.
The example of the SIP header for anonymity for reference:
Via: SIP/2.0/UDP 10.2.8.183:5063;branch=z9hG4bK1535948896
From: "Anonymous" <sip:anonymous@anonymous.invalid>;tag=128043702
To: <sip:1011@10.2.1.199>
Call-ID: 1773251036@10.2.8.183
CSeq: 1 INVITE
Contact: <sip:1012@10.2.8.183:5063>
Content-Type: application/sdp
Allow: INVITE, INFO, PRACK, ACK, BYE, CANCEL, OPTIONS, NOTIFY, REGISTER, SUBSCRIBE, REFER,
PUBLISH, UPDATE, MESSAGE
Max-Forwards: 70
User-Agent: Yealink SIP-T38G 38.70.0.100
Privacy: id
Supported: replaces
Allow-Events: talk,hold,conference,refer,check-sync
P-Preferred-Identity: <sip:1012@10.2.1.199>
Content-Length: 302
The anonymous call on code or anonymous call off code configured on the IP phone is
used to inform the server of activating or deactivating the anonymous call feature. The
anonymous call on code and anonymous call off code may vary on different servers.
Procedure
Anonymous call can be configured using the configuration files or locally.
Configuration File
<MAC>.cfg
Configure the anonymous call
feature.
For more information, refer to
Anonymous Call on page 253.
Local
Web User Interface
Configure the anonymous call
feature.
Navigate to:
http://<phoneIPAddress>/cgi-bin/
cgiServer.exx?page=Account.ht

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