Yealink SIP-T2 SERIES Administrator's Manual page 811

2. Select the desired value from the pull-down list of Headset Prior.
3. Click Confirm to accept the change.
Dual headset allows users to use two headsets on one IP phone. To use this feature,
users need to physically connect two headsets to the headset and handset jacks
respectively. Once the IP phone connects to a call, the user with the headset connected
to the headset jack has full-duplex capabilities, while the user with the headset
connected to the handset jack is only able to listen.
Note
It is not applicable to CP860 IP phones.
Procedure
Dual headset can be configured using the configuration files or locally.
Configuration File
Local
<y0000000000xx>.cfg
Web User Interface
Configuring Audio Features
Configure dual headset.
Parameter:
features.headset_training
Configure dual headset.
Navigate to:
For
SIP-T48G/T46G/T42G/T41P/T40
P/T29G/T27P/T23P/T23G/T21(P
) E2/T19(P) E2:
http://<phoneIPAddress>/se
rvlet?p=features-general&q
789