Yealink SIP-T23G User Manual

User Guide for the SIP-T23P/G IP Phone
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the icon .
To unlock the phone, you must know the phone unlock PIN. The default phone unlock PIN
is “123”.
To change the phone unlock PIN via phone user interface:
1. Press Menu->Settings->Basic Settings->Change PIN.
2. Enter the desired value in the Current PIN, New PIN and Confirm PIN field
respectively.
3. Press the Save soft key to accept the change or the Back soft key to cancel.
Note
To unlock the phone via phone user interface:
1. Press any locked key, the LCD screen prompts “Unlock PIN”.
2. Enter the PIN in the Unlock PIN field.
3. Press the OK soft key to unlock the phone.
The icon disappears from the LCD screen.
The unlock PIN length must be within 15 digits.

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