Yealink SIP-T27G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
142
Use the following mapping:
“WWW” represents the abbreviation of the week;
“DD” represents a two-digit day;
“MMM” represents the first three letters of the month;
“YYYY” represents a four-digit year, and “YY” represents a two-digit year.
Default
0
Web UI
Settings > Time&Date > Date Format
Handset UI
W53H/W56H:
OK > Settings > Display > Date Format
DD Phone:
Menu > Settings > Basic Settings > Time&Date > Time & Date Format > Date Format
CP930W:
Menu > Settings > Basic Settings > Display > Date Format
Parameter
handset.X.hac.enable
[1]
<y0000000000xx>.cfg
Description
It enables or disables the HAC (Hearing Aid Compatibility) handset settings.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Supported
Devices
All handsets except DD phones
Parameter
static.auto_provision.handset_configured.enable <y0000000000xx>.cfg
Description
It enables or disables the handsets to keep user personalized settings after auto provisioning.
Note: It is only applicable to the custom handset related configurations.
Permitted
Values
0-Disabled, the phone will not deliver custom handset configurations via auto provisioning/handset
reboot to the handset. The custom handset settings can be only changed via the handset user inter-
face.
1-Enabled, the phone will deliver the custom handset configurations via auto provisioning to the hand-
set. Handset reboot or registration will also trigger the phone to deliver the stored handset settings to
the handset. When the parameter "static.auto_provision.custom.handset.protect" is set to 0 (Disabled),
the personalized handset settings will be overridden; if the parameter "static.auto_pro-
vision.custom.handset.protect" is set to 1 (Enabled), the personalized handset settings will not be over-
ridden.
Default
1
Supported
Devices
All handsets except DD phones
Parameter
static.auto_provision.custom.handset.protect <y0000000000xx>.cfg
Description
It enables or disables the handsets to keep user personalized settings after handset reboot or regis-
tration.
Note: It works only if "static.auto_provision.handset_configured.enable" is set to 0 (Disabled). It is only
applicable to the custom handset related configurations.
Permitted
Values
0-Disabled
1-Enabled

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