Yealink SIP-T23G Administrator's Guide

Using Handsets with T57W/T54W/T53W/T53 Phones
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Shared Contact File Elements and Attributes
The following table lists the elements and attributes you can use to add contacts in the shared contact file. We
recommend that you do not edit these elements and attributes.
Elements Attributes Description
Contact
display_name
Specify the contact name.
Note: The contact name cannot be blank or duplicated.
office_number Specify the office number.
mobile_number Specify the mobile number.
other_number Specify the other number.
line Do not modify this attribute and value.
ring Do not modify this attribute and value.
default_photo Do not modify this attribute and value.
selected_photo Do not modify this attribute and value.
group_id_name Do not modify this attribute and value.
Customizing Shared Contact File
1.
Open the shared contact file.
2.
To add a contact, add <contact display_name="" office_number="" mobile_number="" other_number="" line="-
1" ring="Auto" default_photo="Default:default_contact_image.png" selected_photo="0" group_id_name="All
Contacts"/ > to the file. Each starts on a new line.
3.
Specify the values within double quotes.
For example:
<contact display_name="Lily"office_number="1020" mobile_number="1021" other_number="1112"/ >
<contact display_name="Tom" office_number="2020" mobile_number="2021" other_number="2112"/ >
4.
Save the changes and place this file to the provisioning server.
Satellite Mode
Yealink desk phone can be bound with a handset. The handset can share the line and contacts with the phone. The
call can be shifted between the phone and handset.
Important: Satellite mode is available only when one handset is registered to the phone.
The following is an example of receiving an incoming call:

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