Yealink SIP-T48G Administrator's Manual page 489

Procedure
Dual headset can be configured using the configuration files or locally.
Configuration File
Local
Details of the Configuration Parameter:
Parameter
features.headset_training
Description:
Enables or disables dual headset feature.
0-Disabled
1-Enabled
If it is set to 1 (Enabled), users can use two headsets on one phone. When the IP
phone joins in a call, the users with the headset connected to the headset jack
have a full-duplex conversation, while the users with the headset connected to the
handset jack are only allowed to listen to.
Web User Interface:
Features->General Information->Dual-Headset
Phone User Interface:
None
To configure dual headset via web user interface:
1. Click on Features->General Information.
<y0000000000xx>.cfg
Web User Interface
Permitted Values
0 or 1
Configuring Audio Features
Configure dual headset.
Parameter:
features.headset_training
Configure dual headset.
Navigate to:
http://<phoneIPAddress>/se
rvlet?p=features-general&q
=load
Default
0
475