Yealink SIP-T23G User Manual

Customizing Your Phone
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system.
3. (Optional.) Check the Show Title checkbox.
It will prevent importing the title of the contact information which is located in the
first line of the CSV file.
4. Click Import CSV to import the contact list.
5. (Optional.) Mark the On radio box in the Delete Old Contacts field.
It will delete all existing contacts while importing the contact list.
6. Select the contact information you want to import into the local directory from the
pull-down list of Index.
At least one item should be selected to be imported into the local directory.
7. Click Import to complete importing the contact list.
To export a contact list via web user interface:
1. Click on Directory->Local Directory.
2. Click Export XML (or Export CSV).
3. Click Save to save the contact list to your local system.
Note
The built-in phone directory can store names and phone numbers for a blacklist. You
can store up to 30 contacts, add, edit, delete or search for a contact in the blacklist
directory, and even call a contact from the blacklist directory. Incoming calls from
blacklist directory contacts will be rejected automatically.
Importing/exporting contact lists is available via web user interface only.

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