Yealink SIP-T57W Administrator's Guide

Advanced Features
440
ListX
[1]
Default
any
Supported
Devices
All phones except T48G, T46G, T42G, T41P, T29G, T19(P) E2 and CP920
Parameter
features.pickup.blf_audio_enable <y0000000000xx>.cfg
Description
It enables or disables the phone to play an audio alert when the monitored user receives an incoming
call.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Supported
Devices
All phones except T19(P) E2 and CP920
Web UI
Features > Pickup & Park > Audio Alert for BLF Pickup
Parameter
features.pickup.blf_audio.list <y0000000000xx>.cfg
Description
It configures the monitored users who want to enable the audio alert for BLF pickup feature.
Multiple monitored users are separated by commas.
Example:
features.pickup.blf_audio.list = any or leave it blank
The IP phone plays an audio alert when any monitored user receives an incoming call.
features.pickup.blf_audio.list = 4604,4605
The IP phone plays an audio alert when monitored user 4604 or 4605 receives an incoming call.
features.pickup.blf_audio.list = List1
The IP phone plays an audio alert when any user in the List 1 receives an incoming call. ListX stands
for the BLF list of account X configured by the parameter "account.X.blf.blf_list_uri".
Note: It works only if "features.pickup.blf_audio_enable” is set to 1 (Enabled).
Permitted
Values
any
Monitored phone number
ListX
[1]
Default
any
Supported
Devices
All phones except T48G, T46G, T42G, T41P, T29G, T19(P) E2 and CP920
Parameter
features.blf.ring_type <y0000000000xx>.cfg
Description
It configures an alert tone to play when a monitored line rings.
Note: It works only if “features.pickup.blf_audio_enable” is set to 1 (Enabled).
Permitted
Values
Ring1.wav, Ring2.wav, Ring3.wav, Ring4.wav, Ring5.wav, Ring6.wav, Ring7.wav, Ring8.wav,
Silent.wav, Splash.wav or custom ring tone name (for example, Config:Customring.wav).
Default
Splash.wav
Supported
Devices
All phones except T19(P) E2 and CP920

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