Yealink SIP-T57W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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If you change this parameter, the phone will reboot to make the change take effect.
Tones
When receiving a message, the phone will play a warning tone. You can customize tones or select specialized tone
sets (vary from country to country) to indicate different conditions of the IP phone.
Topics
Supported Tones
Tones Configuration
Supported Tones
The default tones used on the phones are the US tone sets. Available tone sets for phones:
l Australia
l Austria
l Brazil
l Belgium
l China
l Czech
l Denmark
l Finland
l France
l Germany
l Great Britain
l Greece
l Hungary
l Lithuania
l India
l Italy
l Japan
l Mexico
l New Zealand
l Netherlands
l Norway
l Portugal
l Spain
l Switzerland
l Sweden
l Russia
l United States
l Chile
l Czech ETSI
Configured tones can be heard on the phones in the following conditions.
Condition Description
Dial When in the dialing interface
Secondary
Dial
When adding a comma “,” to the digit map (For more information on digit map, refer to Dial Plan
Defined by Digit Map (New Dial Plan Mechanism))

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