Yealink SIP-T23G User Manual

Customizing Your Phone
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You can long press or wait for a period of time (if configured) to lock the
phone again.
Note
To deactivate the phone lock via phone user interface:
1. Press Menu->Settings->Advanced Settings (default password: admin) ->Phone
Lock.
2. Press or , or the Switch soft key to select Disabled from Lock Enable field.
3. Press the Save soft key to accept the change.
Phone lock is configurable via web user interface at the path Features->Phone Lock.
You can press the Volume key to adjust the ringer volume when the phone is idle. You
can also press the Volume key to adjust the receiver volume of currently engaged audio
devices (handset, speakerphone or headset) when the phone is in use.
To adjust the volume when the phone is idle:
1. Press to adjust the ringer volume.
Note
If the ringer volume is adjusted to minimum, the icon will appear on the LCD screen.
You can also unlock the phone by administrator password. When you enter the
administrator password to unlock the phone, the phone will turn to the Change PIN
screen.

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