Yealink SIP-T23G User Manual

User Guide for the SIP-T23P/G IP Phone
100
Incoming calls will be rejected automatically and "n New Missed Call(s)" ("n"
indicates the number of missed calls. e.g., 1 New Missed Call(s)) will appear on the
LCD screen.
Note
To activate DND in custom mode for a specific account:
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 or to select the desired account and then press the Enter soft key.
3. Press or , or the Switch soft key to select Enabled from the DND Enable
field.
4. Press the Save soft key to accept the change.
If you activate DND for the default account, the associated line icon will change
to , and the icon will appear on the status bar.
If you activate DND for the non-default account, only the associated line icon will
change to .
When DND and busy forward are enabled in phone mode, calls will be sent to the
configured destination number. For more information on busy 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