Yealink SIP-T21 E2 Administrator's Guide

Configuring Audio Features
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Configuring Audio Features
This chapter provides information for making configuration changes for the following audio
features:
 Redial Tone
 Ring Tones
 Distinctive Ring Tones
 Tones
 Voice Mail Tone
 Ringer Device for Headset
 Handset/Headset/Speakerphone Mode
 Headset Prior
 Dual Headset
 Sending Volume
 Ringer Volume
 Audio Codecs
 Acoustic Clarity Technology
 DTMF
 Voice Quality Monitoring (VQM)
Redial Tone
Redial tone allows IP phones to continue to play the dial tone after inputting the preset
numbers on the dialing screen.
Procedure
Redial tone can be configured using the following methods.
Central Provisioning
(Configuration File)
<y0000000000xx>.cfg
Configure redial tone feature.
Parameter:
features.redial_tone
Web User Interface
Configure redial tone feature.
Navigate to:
http://<phoneIPAddress>/servlet?p
=features-audio&q=load
Details of Configuration Parameter:

Yealink SIP-T21 E2 Specifications

General

Brand	Yealink
Model	SIP-T21 E2
Category	IP Phone
Language	English