Yealink SIP-T23G Recovery Guide

Recovery Mode on Yealink IP phones
13
4. After a handset is registered, press (for W52P/W56P base) or (for W60B base) on the
handset to verify the current firmware version.
For W80DM/W80B
For the W80DM/W80B, there is no screen to show information for you. The W80DM/W80B uses
192.168.0.23 as its default IP address, so you need to configure a static IP address for your local PC
where you have the TFTP server installed.
Procedures:
1. Configure the static IP address on your local PC.
It must be configured as below:
2. Click OK twice to save the settings.
3. Long press and reconnect the power adapter to trigger the recovery mode.
The W80DM/W80B will download and upgrade the firmware from the TFTP server.

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