Yealink SIP-T57W User Manual

9
ENVIRONMENTAL RECYCLING
Never dispose of the device with domestic waste
Ask your Town Council about how to dispose of it in an environmentally friendly way. The
cardboard box, plastic packaging and player components may be recycled in accordance with
prevailing recycling regulations in your country.
Always adhere to prevailing regulations
Those who fail to do so may be fined or prosecuted in accordance with the law. The crossed out
garbage can that appears on the device means that when it has reached the end of its useful life,
it should be taken to a special waste disposal centre and treated separately to general urban
waste.
Addr: 309, 3th Floor, No.16, Yun Ding North Road,
Huli District, Xiamen City, Fujian, P.R. China
Addr: 309, 3rd Floor, No.16, Yun Ding North Road,
Huli District, Xiamen City, Fujian, P.R. China
Tel: +86-592-5702000
Fax: +86-592-5702455
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 Do not insert any object into equipment slots that is not part of the product or auxiliary product.
 Before connecting a cable, connect the grounding cable of the device first. Do not disconnect the grounding cable
until you disconnect all other cables.
Cleaning Requirements
 Before cleaning the device, stop using it and disconnect it from the power supply.
 Use a piece of soft, dry and anti-static cloth to clean the device.
 Keep the power plug clean and dry. Using a dirty or wet power plug may lead to electric shock or other perils.
Troubleshooting
The unit cannot supply power to Yealink device.
There is a bad connection with the plug.
1. Clean the plug with a dry cloth.
2. Connect it to another wall outlet.
The usage environment is out of operating temperature range.
1. Use in the operating temperature range.
The cable between the unit and the Yealink device is connected incorrectly.
1. Connect the cable correctly.
You cannot connect the cable properly.
1. You may have connected a wrong Yealink device.
2. Use the correct power supply.
Some dust, etc., may be in the port.
1. Clean the port.
Contact your dealer or authorized service facility for any further questions.
Contact Information
YEALINK NETWORK TECHNOLOGY CO.,LTD.
309, 3rd Floor, No.16, Yun Ding North Road, Huli District, Xiamen City, Fujian, P.R. China
YEALINK (EUROPE) NETWORK TECHNOLOGY B.V.
Strawinskylaan 3127, Atrium Building, 8th floor, 1077ZX Amsterdam, The Netherlands
YEALINK (USA) NETWORK TECHNOLOGY CO., LTD.
999 Peachtree Street Suite 2300, Fulton, Atlanta, GA, 30309, USA
Made in China

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