Yealink SIP-T27P User Manual

User Guide for the SIP-T27P IP Phone
30
The default value is 10, you can set to 1-30.
5. Click Confirm to accept the change.
Backlight
You can configure the backlight to adjust the brightness of the LCD screen.
You can configure the backlight status on the LCD screen from the following options:
 Always On: Backlight is on permanently.
 Always Off: Backlight is off permanently.
 15s, 30s, 1min, 2min, 5min, 10min or 30min: Backlight is turned off when the phone is
inactive after the designated time (in seconds).
You can also change the intensity of the LCD screen of EXP20 connected to the SIP-T27P IP
phone.
To configure the backlight via phone user interface:
1. Press Menu->Settings->Basic Settings->Display->Backlight.
2. Press or , or the Switch soft key to select the desired time from the Backlight
Time field.

Yealink SIP-T27P Specifications

General

Handset type	Wired handset
Product type	IP Phone
Product color	Cappuccino, Black
Backlight keypad	Yes
Volume control	Digital
Base station keys	36
Number of programmable keys	8
Phonebook capacity	1000 entries
Number of VoIP accounts	6
Voice codecs	G.722, G.726, G.711, G.729, G.711a, G.729A, iLBC, G.729B
Display diagonal	3.66 \
Display resolution	240 x 120 pixels
Networking standards	IEEE 802.1p, IEEE 802.3af, IEEE 802.1x, IEEE 802.1Q
RJ-9 ports quantity	2
AC adapter input voltage	100 - 240 V
AC adapter output current	1.2 A
AC adapter output voltage	5 V
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	210 mm
Width	265 mm
Height	170.5 mm
Package depth	225 mm
Package width	300 mm
Package height	118 mm