Yealink SIP-T23G User Manual

Customizing Your Phone
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You can customize your SIP-T23P/G IP phone by personally configuring certain settings,
for example, contrast, language and time & date. You can add contacts to the phone’s
local directory manually or from call history. You can also personalize different ring
tones for different callers.
This chapter provides basic operating instructions for customizing your phone. Topics
include:
 General Settings
 Audio Settings
 Contact Management
 Call History Management
 System Customizations
If you require additional information or assistance with your new phone, contact your
system administrator.
You can configure the backlight to adjust the brightness of the LCD screen. Backlight
status on the LCD screen can be configured from the following options:
 Always On: Backlight is on permanently.
 Always Off: Backlight is off permanently.
 15s, 30s, 60s, 120s, 300s, 600s or 1800s: Backlight is turned off when the phone is
inactive after the designated time (in seconds).
To configure the backlight via phone user interface:
1. Press Menu->Settings->Basic Settings->Display->Backlight.

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