Yealink SIP-T23G User Manual

User Guide for the SIP-T23P/G IP Phone
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For multiple numbers, enter a comma between every two numbers.
4. Click Confirm to accept the change.
When DND is enabled on the phone, the phone can still receive incoming calls from the
numbers specified in the DND Authorized Numbers field.
Note
You can configure your phone to forward incoming calls to another party through static
forwarding. You can also forward calls while your phone is ringing; refer to Dynamic
Forwarding.
Static Forwarding
Three types of static forwarding:
 Always Forward: Incoming calls are immediately forwarded.
 Busy Forward: Incoming calls are immediately forwarded if the phone is busy.
 No Answer Forward: Incoming calls are forwarded if not answered after a period
of time.
You can enable/disable call forward for the phone system, or you can customize call
forward for each or all accounts. Two call forward modes:
DND authorized number is configurable via web user interface only.

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