Yealink SIP-T23G User Manual

User Guide for the SIP-T23P/G IP Phone
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1. Press the OK soft key to redial the number.
Note
You can press a recall key to place a call back to the last incoming call.
To configure a recall key via phone user interface:
1. Press Menu->Features->DSS Keys.
2. Select the desired DSS key.
3. Press or , or the Switch soft key to select Key Event from the Type field.
4. Press or , or the Switch soft key to select ReCall from the Key Type field.
5. (Optional.) Enter the string that will appear on the LCD screen in the Label field.
6. Press the Save soft key to accept the change or the Back soft key to cancel.
Recall key is configurable via web user interface at the path DSSKey->Line Key.
You can mute the microphone of the active audio device during an active call so that
the other party cannot hear you. Call mute applies to all modes (Handset, Headset and
Speakerphone).
To mute a call:
1. Press during an active call.
The LCD screen indicates that the call is now muted.
Call completion is not available on all servers. For more information, contact your system
administrator.

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