Yealink SIP T2 Series Provisioning Manual page 144

Yealink IP Phones Auto Provisioning Guide
Parameter
sip.btoe.enable
sip.btoe.as_audio_dev.enable
sip.option120_get_lync_server.enable
138
Permitted
Descriptions
Values
It enables or disables the BToE (Better Together
over Ethernet) feature.
0-Disabled
0 or 1
1-Enabled
The default value is 1.
It takes effect after a reboot.
It enables or disables the IP phone to be used as
an audio device when BToE (Better Together over
Ethernet) is enabled in the VDI (Virtual Desktop
Infrastruture) environment.
0-Disabled
0 or 1
1-Enabled
The default value is 0.
Note: We recommend that you set the value of this
parameter to be 1 (Enabled) if you want to use
BToE in the VDI environment.
It enables or disables the IP phone to obtain the
Lync server address from DHCP by detecting
0 or 1
DHCP option 120.
0-Disabled
Web Setting Path
Features->Audio->BToE as Audio
Device (VDI support)
Features->General Information->Use
DHCP Option 120