Yealink SIP-T23G Recovery Guide

Recovery Mode on Yealink IP phones
8
3. Enter the desired values in the IP Address, Netmask, IP Gateway and HTTP Server fields
respectively.
Note
4. Press to complete the recovery mode.
The IP phone will download and upgrade the firmware from the HTTP server. After upgrading, the IP
phone will initialize successfully and get ready for use.
The LCD screen prompts “Initializing…Please Wait” when upgrading successfully.
Note
5. If the IP phone fails to upgrade, the LCD screen will indicate the failure. The user can repeat the
recovery mode procedures to try again.
For CP920 IP phones, you need to press the volume key ( or ) as the left or right
navigation key.
For SIP-T58A IP phones, you need to press / / as up/down/left/right
navigation key.
You need to press (for SIP-T58A phones), (for SIP-T3 IP phones) to complete the
recovery mode since there is no key.
…. Initializing ….
Please Wait
Welcome
IP Address:
Netmask:
IP Gateway:
HTTP Server:
10. 2. 11.124
255.255.255. 0
10. 2. 11.254
http://10.2.11.10
1

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