Yealink SIP-T57W Administrator's Guide

Troubleshooting Methods
536
(1) If the local log files are configured to be uploaded to the server by the parameter “static.auto_pro-
vision.local_log.backup.enable”, the phone will clear all the local log files on the phone once suc-
cessfully backing up.
(2) If “static.auto_provision.local_log.backup.enable” is set to 0 (Disabled), the phone will erase half of
the logs from the oldest log information on the phone.
Example:
static.local_log.max_file_size = 1024
Permitted
Values
T40P/T40G/T23P/T23G/T21(P) E2/T19(P) E2:
Integer from 256 to 1024
Other phones:
Integer from 256 to 2048
Default
T40P/T40G/T23P/T23G/T21(P) E2/T19(P) E2:
256
Other phones:
1024
Web UI
T40P/T40G/T23P/T23G/T21(P) E2/T19(P) E2:
Settings > Configuration > Max Log File Size (256-1024KB)
Other phones:
Settings > Configuration > Max Log File Size (256-2048KB)
Parameter
static.auto_provision.local_log.backup.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to upload the local log files to the provisioning server or a specific
server.
Note: The upload path is configured by the parameter “static.auto_provision.local_log.backup.path”.
Permitted
Values
0-Disabled
1-Enabled, the phone will upload the local log files to the provisioning server or the specific server to
back up these files when one of the following happens:
- Auto provisioning is triggered;
- The size of the local log files reaches the maximum configured by the parameter “static.local_
log.max_file_size”;
- It’s time to upload local log files according to the upload period configured by the parameter “stat-
ic.auto_provision.local_log.backup.upload_period”.
Default
0
Parameter
static.auto_provision.local_log.backup.upload_period <y0000000000xx>.cfg
Description
It configures the period (in seconds) of the local log files uploads to the provisioning server or a spe-
cific server.
Note: It works only if “static.auto_provision.local_log.backup.enable” is set to 1 (Enabled).
Permitted
Values
Integer from 30 to 86400
Default
30
Parameter
static.auto_provision.local_log.backup.path <y0000000000xx>.cfg
Description
It configures the upload path of the local log files.

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