Yealink T27P Administrator's Guide

Administrator’s Guide for SIP-T2_Series_T4_Series IP Phones
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Parameter
Permitted Values
Default
Note: We recommend that you set the contrast of the LCD screen to 6 as a more
comfortable level.
Web User Interface:
Settings->Preference->Contrast
Phone User Interface:
Menu->Settings->Basic Settings->Display->Contrast
To configure contrast via web user interface:
1. Click on Settings->Preference.
2. Select the desired value from the pull-down list of Contrast.
3. Click Confirm to accept the change.
To configure contrast via phone user interface:
1. Press Menu->Settings->Basic Settings->Display->Contrast.
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.
Wallpaper is an image used as the background of the IP phone idle screen. Users can
select an image from IP phone’s built-in background or customize wallpaper from
personal pictures. To set the custom wallpaper as the IP phone background, you need to
upload the custom wallpaper to the IP phone in advance. The wallpaper is not
applicable to SIP-T42G, SIP-T41P, SIP-T27P, SIP-T23P/G and SIP-T21(P) E2 IP phones.

Yealink T27P Specifications

General

Wall Mountable	Yes
Local Phonebook	1000 entries
Bluetooth	No
Wi-Fi	No
Gigabit Ethernet	No
Display	3.66" 240x120 pixel graphical LCD with backlight
Audio Features	HD voice, Full-duplex speakerphone
Network	Dual-port 10/100 Ethernet switch
Protocols	SIP v1 (RFC2543), v2 (RFC3261)
Power	IEEE 802.3af PoE
Connectivity	2 x RJ45 10/100M Ethernet ports
Voice Codecs	G.711(A/μ), G.722, G.723, G.729AB, G.726
EHS	Supports EHS with Plantronics headsets
Headset Port	Yes
Power Adapter	5V DC (optional)