Yealink SIP-T57W Administrator's Guide

Phone Provisioning
86
Note: The phone may perform auto provisioning when you are using the phone during office hour. It
works only if “static.auto_provision.weekly.enable” is set to 1 (On).
Permitted
Values
Integer from 0 to 120
Default
0
Web UI
Settings > Auto Provision > Inactivity Time Expire(0~120min)
Parameter
static.auto_provision.weekly.dayofweek <y0000000000xx>.cfg
Description
It configures the days of the week for the phone to perform auto provisioning weekly.
Example:
static.auto_provision.weekly.dayofweek = 01
If “static.auto_provision.weekly_upgrade_interval” is set to 0, it means the phone performs auto pro-
visioning every Sunday and Monday.
If “static.auto_provision.weekly_upgrade_interval” is set to other value (for example, 3), it means the
phone performs auto provisioning by randomly selecting a day from Sunday and Monday every three
weeks.
Note: It works only if “static.auto_provision.weekly.enable” is set to 1 (On).
Permitted
Values
0,1,2,3,4,5,6 or a combination of these digits
0-Sunday
1-Monday
2-Tuesday
3-Wednesday
4-Thursday
5-Friday
6-Saturday
Default
0123456
Web UI
Settings > Auto Provision > Day of Week
Parameter
static.auto_provision.weekly.begin_time
static.auto_provision.weekly.end_time
<y0000000000xx>.cfg
Description
It configures the starting/ending time of the day for the phone to perform auto provisioning weekly.
Note: It works only if “static.auto_provision.weekly.enable” is set to 1 (On).
Permitted
Values
Time from 00:00 to 23:59
Default
00:00
Web UI
Settings > Auto Provision > Time
Parameter
static.auto_provision.flexible.enable <y0000000000xx>.cfg
Description
It triggers the flexible feature to on or off.
Note: The day within the period is based upon the phone's MAC address and does not change with a
reboot, whereas the time within the start and end is calculated again with every reboot.
Permitted
Values
0-Off

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