Yealink SIP-T21 E2 Administrator's Guide

Configuring Audio Features
845
Parameter
Permitted Values
Default
the parameter “features.speaker_mode.enable” to 1 (Enabled). If you want to user headset
ringer device for the phone, you have to set the value of the parameter
“features.headset_mode.enable” to 1 (Enabled). It is not applicable to CP860/CP920 IP
phones.
Web User Interface:
Features->Audio->Ringer Device for Headset
Phone User Interface:
None
To configure ringer device for headset via web user interface:
1. Click on Features->Audio.
2. Select the desired value from the pull-down list of Ringer Device for Headset.
3. Click Confirm to accept the change.

Yealink SIP-T21 E2 Specifications

General

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