Yealink SIP-T57W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
322
local_contact.photo.url = tftp://192.168.10.25/Photo.jpg
Permitted
Values
URL within 511 characters
Default
Blank
Supported
Devices
All color screen phones
Parameter
local_contact.icon_image.url <y0000000000xx>.cfg
Description
It configures the access URL of a contact icon file.
The format of the contact icon must be *.png, *.jpg, *.bmp, *.jpeg.
The contact icon file should be uploaded to the provisioning server in advance.
Example:
local_contact.icon_image.url = tftp://192.168.10.25/Photo.jpg
Permitted
Values
URL within 511 characters
Default
Blank
Supported
Devices
T57W, T48U, T48S, T48G
Parameter
local_contact.image.url <y0000000000xx>.cfg
Description
It configures the access URL of a TAR contact avatar file.
The format of the contact avatar must be *.png, *.jpg, *.bmp, *.jpeg.
The contact avatar file should be compressed as a TAR file in advance and then place it to the pro-
visioning server.
Example:
local_contact.image.url = tftp://192.168.10.25/photo.tar
Permitted
Values
URL within 511 characters
Default
Blank
Supported
Devices
All color screen phones
Parameter
local_contact.data_photo_tar.url <y0000000000xx>.cfg
Description
It configures the access URL of the compressed TAR file consisting of the avatars TAR file and contact
XML file.
All avatars needed for contacts should be compressed as a TAR file in advance.
Example:
local_contact.data_photo_tar.url = tftp://192.168.10.25/Contact.tar
Note: The name of the avatars TAR file must be photo.tar (case-sensitive), and the name of the con-
tact XML file must be ContactData.xml (case-sensitive).
Permitted
Values
URL within 511 characters
Default
Blank
Supported
All color screen phones

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