Yealink SIP-T21 E2 Administrator's Guide

Configuring Audio Features
851
Sending Volume
Sending volume allows user to adjust the sending volume of currently engaged audio devices
(handset, speakerphone or headset) when the phone is in use.
Procedure
Sending volume can be configured using the following methods.
Central Provisioning
(Configuration File)
<y0000000000xx>.cfg
Configure the sending volume of the
speaker.
Parameter:
voice.handfree_send
Configure the sending volume of the
handset.
Parameter:
voice.handset_send
Configure the sending volume of the
headset.
Parameter:
voice.headset_send
Web User Interface
Configure the sending volume of the
speaker/handset/headset.
Navigate to:
http://<phoneIPAddress>/servlet?p=f
eatures-audio&q=load
Details of the Configuration Parameters:
Parameters
Permitted Values
Default
voice.handfree_send
Integer from -50 to 50
0
Description:
Configures the sending volume of the speaker.
Note: We recommend that you modify this parameter cautiously. An unreasonable value
may render the voice quality bad. If you change this parameter, the IP phone will reboot to
make the change take effect.
Web User Interface:
Features->Audio->Handfree Send Volume (-50~50)

Yealink SIP-T21 E2 Specifications

General

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