Yealink SIP-T27G Administrator's Guide

Using Handsets with T57W/T54W/T53W/T53 Phones
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If you change this parameter, the phone will reboot to make the change take effect.
Handset Settings Parameters
Parameter
custom.handset.eco_mode.enable <y0000000000xx>.cfg
Description
It enables or disables the eco mode to greatly reduce the transmission power and signal output when
the phone is in the talk mode.
Permitted
Values
-1-Do not modify the configuration.
0-Disabled
1-Enabled
Default
-1
Supported
Devices
All handsets except DD phones
Handset UI
OK > Settings > System Settings (Basic Settings) > Eco Mode
Parameter
custom.handset.color_scheme <y0000000000xx>.cfg
Description
It configures the color scheme of the handset.
Note: It will take effect on all handsets that are registered on the same phone. It works only if the value
of the parameter “static.auto_provision.handset_configured.enable” is set to 1 (Enabled).
Permitted
Values
-1-Do not modify the configuration.
0-Color scheme 1
1-Color scheme 2
Default
-1
Supported
Devices
W52H
Handset UI
OK > Settings > Display > Color Schemes
Parameter
custom.handset.missed_call_notify_light.enable <y0000000000xx>.cfg
Description
It enables or disables the message key LED to flash red when the handset misses a call.
Note: It will take effect on all handsets that are registered on the same phone. It works only if “stat-
ic.auto_provision.handset_configured.enable” is set to 1 (Enabled).
Permitted
Values
-1-Do not modify the configuration.
0-Disabled
1-Enabled
Default
-1
Supported
Devices
W52H
Handset UI
OK > Settings > Display > Notification Light > Missed Call
Parameter
custom.handset.voice_mail_notify_light.enable <y0000000000xx>.cfg
Description
It enables or disables the message key LED to flash when the handset receives a voice mail.
Note: It will take effect on all handsets that are registered on the same phone. It works only if “stat-
ic.auto_provision.handset_configured.enable” is set to 1 (Enabled).
Permitted
-1-Do not modify the configuration.

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