Yealink SIP-T23G User Manual

Customizing Your Phone
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the keypad.
The contacts whose name or phone number matches the characters entered will
appear on the LCD screen. You can place a call from the result list.
You can enable the phone to present the caller/callee identity stored in the remote
phone book when receiving/placing a call.
To configure incoming/outgoing call lookup and update time interval via web user
interface:
1. Click on Directory->Remote Phone Book.
2. Select Enabled from the pull-down list of Incoming/Outgoing Call Lookup.
3. Enter the desired refresh period in the Update Time Interval(Seconds) field.
The default value is 21600.
4. Click Confirm to accept the change.
The SIP-T23P/G IP phone maintains call history lists of Placed calls, Received calls,
Missed calls and Forwarded calls. Each call history list supports up to 100 entries. You
can view call history, place a call, add a contact or delete an entry from the call history
list.
History record feature is enabled by default. If you don’t want to save the call history,

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