Yealink T27P Administrator's Guide

Administrator’s Guide for SIP-T2_Series_T4_Series IP Phones
474
Parameter
Permitted Values
Default
headset mode. The headset mode will not be deactivated until the user presses the
HEADSET key again.
Web User Interface:
Features->General Information->Headset Prior
Phone User Interface:
None
To configure headset prior via web user interface:
1. Click on Features->General Information.
2. Select the desired value from the pull-down list of Headset Prior.
3. Click Confirm to accept the change.
Dual headset allows users to use two headsets on one IP phone. To use this feature,
users need to physically connect two headsets to the headset and handset jacks
respectively. Once the IP phone connects to a call, the user with the headset connected
to the headset jack has full-duplex capabilities, while the user with the headset
connected to the handset jack is only able to listen.

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)