Yealink SIP-T23G User Manual

User Guide for the SIP-T23P/G IP Phone
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The LCD screen of phone B prompts an incoming call from anonymity.
You can use anonymous call rejection to reject incoming calls from anonymous callers.
Anonymous call rejection automatically rejects incoming calls from callers who
deliberately block their identities and numbers from being displayed. Anonymous call
rejection is configurable on a per-line basis. You can also configure the phone to send
anonymous call rejection on/off code to the server to activate/deactivate anonymous
call rejection on the server side.
To configure anonymous call rejection 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 to scroll to the Anonymous Rejection field.
4. Press or , or the Switch soft key to select Enabled from the Anonymous
Rejection field.
5. (Optional.) Press or , or the Switch soft key to select the desired value
from the Send Rejection Code field.
The phone will send the configured on code or off code depending on your
selection when you enable or disable anonymous call rejection feature on the
phone.
6. (Optional.) Enter the anonymous call rejection on code in the Reject On Code field.
7. (Optional.) Enter the anonymous call rejection off code in the Reject Off Code field.
8. Press the Save soft key to accept the change or the Back soft key to cancel.
Anonymous call rejection is configurable via web user interface at the path
Account->Basic.

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