Yealink SIP-T57W Recovery Guide

Recovery Mode on Yealink IP phones
5
Configuring the TFTP Server
This section shows how to configure a TFTP server for the windows system using the tftpd32 application.
You can download the tftpd32 application online: http://tftpd32.jounin.net/tftpd32_download.html. If there
is a TFTP server installed on your local system, you can skip this section and go to the next.
Procedures
1. Create a TFTP root directory on the local system.
2. Place resource files to this root directory.
3. Double click the tftpd32.exe to start the application.
4. Click the button to locate the TFTP root directory from the local system.
5. Select the local IP address from the Server interface drop-down menu.
Take a note of the server IP address (e.g., 10.2.11.123) which is used at the later stage.
Connecting the USB Flash Drive to the IP Phone
This section shows how to connect the USB flash drive to the IP phone. The USB flash drive should be
purchased separately.
This method is only applicable to MP54/MP56/MP58/VP59/SIP-T58A/T57W/T54W/T53W
/T53/T48U/T48S/T46U/T46S/T43U/T42U/T42S/T41S/CP920/CP960 IP phones.
Note
Procedures
1. Place resource files to the USB flash drive.
2. Connect the USB flash drive to the IP phone.
The file system of the USB flash drive should be FAT32.

Yealink SIP-T57W Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Gray
Ethernet LAN	Yes
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Security algorithms	AES, HTTPS, MD5, SRTP
Networking standards	IEEE 802.11a, IEEE 802.11ac, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Ethernet LAN interface type	Gigabit Ethernet
Supported network protocols	FTP/TFTP/HTTP/HTTPS
Dual-Tone Multi-Frequency (DTMF) modes	In-band, Out-of band, SIP info
USB 2.0 ports quantity	1
Ethernet LAN (RJ-45) ports	2
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	16
AC adapter input voltage	100 - 240 V
AC adapter output current	2 A
AC adapter output voltage	5 V
Volume control	Buttons
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Display diagonal	7 \
Display resolution	800 x 480 pixels
Front camera	No
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Voice codecs	G.722, G.723.1, G.726, G.729A, G.729B, iLBC

Weight and Dimensions

Depth	220 mm
Width	259.4 mm
Height	211 mm