Yealink SIP-T57W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
419
Values
Default
0
Parameter
multicast.receive.enhance_volume <y0000000000xx>.cfg
Description
It enables or disables the volume enhancement feature when receiving the multicast paging calls.
Note: It works only if “multicast.listen_address.X.volume" is not set to 0. If the value the parameter "mul-
ticast.listen_address.X.volume" is set to 1-15 and the value of this parameter is set to 1 (Enabled), the
receiving volume will be 16-30.
Permitted
Values
0-Disabled
1-Enabled, the receiving volume will be increased by 15 level.
Default
0
Parameter
multicast.receive.use_speaker <y0000000000xx>.cfg
Description
It enables or disables the phone to always use the speaker as the audio device when receiving the
multicast paging calls.
Permitted
Values
0-Disabled, the engaged audio device will be used when receiving the multicast paging calls.
1-Enabled
Default
0
Parameter
features.paging_auto_resume.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to automatically resume the held multicast paging call after the
second multicast paging call or a new call ends.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Supported
Devices
T57W, T54W, T53W, T53, T48U, T46U, T43U, T42U, T48S, T46S, T42S, T41S, T27G and CP920
[1]
X ranges from 1 to 31.

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