Yealink SIP-T2 SERIES Administrator's Manual page 813

2. Select the desired value from the pull-down list of Dual-Headset.
3. Click Confirm to accept the change.
Sending volume allows user to adjust the sending volume of currently engaged audio
devices (handset, speakerphone or headset) when the phone is in use.
Note
It is not applicable to CP860 IP phones.
Procedure
Sending volume can be configured using the configuration files.
Configuration File <y0000000000xx>.cfg
Configuring Audio Features
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
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