Yealink SIP-T27P User Manual

Customizing Your Phone
65
To enable dual headset via web user interface:
1. Click on Features->General Information.
2. Select Enabled from the pull-down list of Dual Headset.
3. Click Confirm to accept the change.
Note
DSS Keys
There are three types of DSS keys: Line Keys, Programable Keys and Ext Keys. Details will be
introduced in the following. The SIP-T27P IP phone supports 21 line keys and 14 programable
keys.
Line Keys
You can assign predefined functionalities to line keys. You can also define a label for a line key
feature which will appear on the LCD screen. Line keys allow you to quickly access features such
as recall and voice mail. The line key LEDs will indicate the monitored status when the line keys
are assigned with particular features, such as BLF. The default key type of line key 1-6 is Line.
The default key type of line key 7-21 is N/A, which indicates that this line key provides no
functionality until configuration.
To assign functionality to a line key via phone user interface:
1. Press Menu->Features->DSS Keys.
2. Select the desired line key, and then press the Enter soft key.
Dual headset is configurable via web user interface only.

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