Yealink SIP-T27G User Manual

Customizing Your Phone
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3. Press or , or the Switch soft key to select the desired value from the Active Level
field.
4. Press the Save soft key to accept the change or the Back soft key to cancel.
Backlight is configurable via web user interface at the path Settings->Preference.
Contrast
You can configure the LCD screen contrast of EXP20 or SIP-T27G to a comfortable level. Ensure
EXP20 has been connected to the phone before configuration. The intensity of contrast ranges
from 1 to 10 and the highest intensity is 10.
To configure the contrast via phone user interface:
1. Press Menu->Settings->Basic Settings->Display->Contrast.
To configure the LCD screen contrast of EXP20, ensure it has been connected to the phone
before configuration.
2. Press or , or the Switch soft key to increase or decrease the intensity of contrast.
The default contrast level is “6”.
3. Press the Save soft key to accept the change or the Back soft key to cancel.
Contrast is configurable via web user interface at the path Settings->Preference.
Language
The default language of the phone user interface is English. If the language of your web browser
is not supported by the phone, the web user interface will use English by default. You can
https://arttel.ru/
https://arttel.ru/shop/ip-telefony/yealink-sip-t27g

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