Yealink T27P Administrator's Guide

Configuring Audio Features
473
This chapter provides information for making configuration changes for the following
audio features:
 Headset Prior
 Dual Headset
 Audio Codecs
 Acoustic Clarity Technology
Headset prior allows users to use headset preferentially if a headset is physically
connected to the IP phone. This feature is especially useful for permanent or full-time
headset users.
Procedure
Headset prior can be configured using the configuration files or locally.
Configuration File
<y0000000000xx>.cfg
Configure headset prior.
Parameter:
features.headset_prior
Local
Web User Interface
Configure headset prior.
Navigate to:
http://<phoneIPAddress>/
servlet?p=features-gener
al&q=load
Details of the Configuration Parameter:
Parameter
Permitted Values
Default
features.headset_prior
0 or 1
0
Description:
Enables or disables headset prior feature.
0-Disabled
1-Enabled
If it is set to 1 (enabled), a user needs to press the HEADSET key to activate the

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)