Yealink SIP-T46U Recovery Guide

Recovery Mode on Yealink IP phones
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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-T46U Specifications

General

Handset type	Wireless handset
Product type	IP Phone
Product color	Gray
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Expansion module support	Yes
Ethernet LAN (RJ-45) ports	2
Security algorithms	AES, HTTPS, SRTP, TLS
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet
Front camera	-
AC adapter input voltage	100 - 240 V
Display diagonal	4.3 \
Display resolution	480 x 272 pixels
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	16
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Voice codecs	AGC, AJB, AMR-WB, CNG, G.711, G.722, G.723.1, G.726, G.729ab, VAD, iLBC
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	213 mm
Width	244 mm
Height	185 mm