Yealink SIP-T57W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
216
Time Zone Time Zone Name Time Zone Time Zone Name
-6 Saskatchewan +3 Kuwait,Riyadh
-6 United States-Central Time +3 Nairobi
-5 Bahamas(Nassau) +3 Minsk
-5 Bogota,Lima +3 Volgograd (RTZ 2)
-5 Canada(Montreal,Ottawa,Quebec) +3:30 Iran(Teheran)
-5 Cuba(Havana) +4 Armenia(Yerevan)
-5 Indiana (East) +4 Azerbaijan(Baku)
-5 Peru +4 Georgia(Tbilisi)
-5 Quito +4 Russia(Samara)
-5 United States-Eastern Time +4 Abu Dhabi,Muscat
-4:30 Venezuela(Caracas) +4 Izhevsk,Samara (RTZ 3)
-4 Canada(Halifax,Saint John) +4 Port Louis
-4 Atlantic Time (Canada) +4:30 Afghanistan(Kabul)
-4 San Juan +5 Kazakhstan(Aktau)
-4 Manaus,Cuiaba +5 Kazakhstan(Aqtobe)
-4 Georgetown +5 Ekaterinburg (RTZ 4)
-4 Chile(Santiago) +5 Karachi
-4 Paraguay(Asuncion) +5 Tashkent
-4 United Kingdom-Bermuda(Bermuda) +5 Pakistan(Islamabad)
-4 United Kingdom(Falkland Islands) +5 Russia(Chelyabinsk)
-4 Trinidad&Tobago +5:30 India(Calcutta)
-3:30 Canada-New Foundland(St.Johns) +5:30 Mumbai,Chennai
-3 Greenland(Nuuk) +5:30 Kolkata,New Delhi
-3 Argentina(Buenos Aires) +5:30 Sri Jayawardenepura
-3 Brazil(no DST) +5:45 Nepal(Katmandu)
-3 Brasilia +6 Kyrgyzstan(Bishkek)
-3 Cayenne,Fortaleza +6 Kazakhstan(Astana, Almaty)
-3 Montevideo +6 Russia(Novosibirsk,Omsk)
-3 Salvador +6 Bangladesh(Dhaka)
-3 Brazil(DST) +6:30 Myanmar(Naypyitaw)
-2:30 Newfoundland and Labrador +6:30 Yangon (Rangoon)

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