Yealink SIP-T27P User Manual

User Guide for the SIP-T27P IP Phone
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For more information on the valid values for the Account field, refer to Replace Rule on
page 80.
4. Click Confirm to accept the change.
Note
Block Out
You can block some specific numbers (up to 10) from being dialed on your phone. When you
dial a block out number on your phone, the dialing will fail and the LCD screen will prompt
"Forbidden Number".
To add a block out number via web user interface:
1. Click on Settings->Dial Plan->Block Out.
2. Enter the desired value in the BlockOut NumberX field.
3. Enter the desired line ID in the Account field or leave it blank.
For more information on the valid values for the Account field, refer to Replace Rule on
page 80.
The default value of minimum and maximum length is 1 and 15 respectively.
Area code 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