Yealink SIP-T2 Series Administrator's Manual page 335

If it is set to 0, the current volume of the speaker takes effect. The volume of the speaker can be adjusted
by pressing the Volume key in advance when the phone is during a call. You can also adjust the volume
of the speaker during the paging call.
If it is set to 1 to 15, the configured volume takes effect and the current volume of the speaker will be
ignored. You are not allowed to adjust the volume of the speaker during the paging call.
Example:
multicast.listen_address.1.volume = 1
Permitted
Integer from 0 to 15
Values
Default 0
Parameter multicast.receive.enhance_volume
It enables or disables the volume enhancement feature when receiving the multicast paging calls.
Note: It works only if "multicast.listen_address.X.volume" is not set to 0. If the value the parameter "mul-
Description
ticast.listen_address.X.volume" is set to 1-15 and the value of this parameter is set to 1 (Enabled), the
receiving volume will be 16-30.
0-Disabled
Permitted
Values
1-Enabled, the receiving volume will be increased by 15 level.
Default 0
Parameter multicast.receive.use_speaker
It enables or disables the IP phone to always use the speaker as the audio device when receiving the mul-
Description
ticast paging calls.
Permitted
0-Disabled, the engaged audio device will be used when receiving the multicast paging calls.
1-Enabled
Values
Default 0
[1]
X ranges from 1 to 31.
<y0000000000xx>.cfg
<y0000000000xx>.cfg
Call Features
329