Yealink SIP-T27G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Viewing the Log Files
Local Logging Configuration
The following table lists the parameters you can use to configure local logging.
Parameter
static.local_log.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to record log locally.
Note: We recommend that you do not disable this feature.
Permitted
Values
0-Disabled, the phone will stop recording log to the log files locally. The log files recorded before are
still kept on the phone.
1-Enabled, the phone will continue to record log to the log files locally. You can upload the local log
files to the provisioning server or a specific server or export them to the local system.
Default
1
Web UI
Settings > Configuration > Enable Local Log
Parameter
syslog.usb.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to collect log using a USB flash drive.
Note: It works only if "static.local_log.enable" is set to 1 (Enabled).
Permitted
Values
0-Disabled
1-Enabled
Default
0
Supported
Devices
All phones except T48G, T46G, T42G, T41P, T40P, T40G, T29G, T23P, T23G, T21(P) E2 and T19(P)
E2
Web UI
Settings > Configuration > USB Auto Exporting Syslog
Parameter
static.local_log.level <y0000000000xx>.cfg
Description
It configures the lowest level of local log information to be rendered to the <MAC>.log file.
When you choose a log level, it includes all events of an equal or higher severity level and excludes
events of a lower severity level. The logging level you choose determines the lowest severity of events
to log.
Permitted
Values
0-the system is unusable
1-action must be taken immediately
2-critical condition
3-error conditions
4-warning conditions
5-normal but significant condition
6-informational
Default
3
Web UI
Settings > Configuration > Local Log Level
Parameter
static.local_log.max_file_size <y0000000000xx>.cfg
Description
It configures the maximum size (in KB) of the log files can be stored on the IP phone.
When this size is about to be exceeded,

Yealink SIP-T27G Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black, Gold
Wall mountable	Yes
Display diagonal	3.66 \
Display resolution	240 x 120 pixels
RJ-9 ports quantity	2
USB 2.0 ports quantity	1
Voice codecs	CNG, G.711, G.722, G.723.1, G.726, G.729, G.729ab, VAD, iLBC
Dual-Tone Multi-Frequency (DTMF) modes	SIP info
Lines quantity	8 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	6
Bluetooth	-
Security algorithms	AES, MD5
Networking standards	IEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Ethernet LAN interface type	Gigabit Ethernet
Volume control	Digital
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	210 mm
Width	265 mm
Height	170.5 mm