Yealink SIP-T23G User Manual

Basic Call Features
101
Incoming calls on the specific line will be rejected automatically, and the LCD
screen will prompt "n New Missed Call(s)" ("n" indicates the number of missed calls.
e.g., 1 New Missed Call(s)).
Note
To activate DND in custom mode for all accounts:
1. Press the DND soft key when the phone is idle.
The LCD screen displays a list of accounts registered on the phone.
2. Press the All On soft key to activate DND for all accounts.
3. Press the Save soft key to accept the change.
The icon appears on the status bar and all line icons change to .
Incoming calls will be rejected automatically, and the LCD screen will prompt "n
New Missed Call(s)" ("n" indicates the number of missed calls. e.g., 1 New Missed
Call(s)).
To configure the DND authorized numbers via web user interface:
1. Click on Features->Forward & DND.
2. Select Enabled from the pull-down list of DND Emergency.
3. Enter the numbers in the DND Authorized Numbers field.
When DND and busy forward are both enabled for a specific account, calls to the
specific account will be sent to the configured destination number. For more information
on call forward, refer to Call Forward on page 102.

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