Yealink SIP-T23G User Manual

Basic Call Features
119
You can use anonymous call to block your identify and phone number from appearing
to the called party when you call someone. For example, you want to call to consult
some services, but don’t want to be harassed. Anonymous call is configurable on a
per-line basis. You can also configure the phone to send anonymous call on/off code to
the server to activate/deactivate anonymous call on the server side.
Note
To configure anonymous call via phone user interface:
1. Press Menu->Features->Anonymous Call.
2. Press or , or the Switch soft key to select the desired line from the Line ID
field.
3. Press or , or the Switch soft key to select Enabled from the Local
Anonymous field.
4. (Optional.) Press or , or the Switch soft key to select the desired value
from the Send Anony Code field.
The phone will send the configured on code or off code depending on your
selection when you enable or disable anonymous call feature on the phone.
5. (Optional.) Enter the anonymous call on code in the On Code field.
6. (Optional.) Enter the anonymous call off code in the Off Code field.
7. Press the Save soft key to accept the change or the Back soft key to cancel.
Anonymous call is configurable via web user interface at the path Account->Basic.
To place an anonymous call:
1. Using the specific line on the phone to place a call to phone B.
Anonymous call is not available on all servers. Contact your system administrator for the
anonymous call on code and off code.

Yealink SIP-T23G Specifications

General

Backlight	Yes
Voice codecs	G.711a, G.722.2, G.726, G.729ab, iLBC
Volume control	Digital
Handset type	Wired handset
Product type	IP Phone
Product color	Black, Silver
Display resolution	132 x 64 pixels
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	3
Networking standards	IEEE 802.1p, IEEE 802.1Q, IEEE 802.1x, IEEE 802.3af
Ethernet LAN (RJ-45) ports	2
AC adapter input voltage	100 - 240 V
AC adapter output current	0.6 A
AC adapter output voltage	5 V
Power consumption (typical)	1.56 W
Number of handles included	- pc(s)
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %

Weight and Dimensions

Depth	188 mm
Width	209 mm
Height	150 mm