Yealink SIP T2 Series Provisioning Manual page 114

Yealink IP Phones Auto Provisioning Guide
Parameter
call_waiting.enable
call_waiting.tone
108
Permitted
Descriptions
Values
It enables or disables call waiting feature.
0-Disabled
1-Enabled
If it is set to 0 (Disabled), a new incoming call is
0 or 1
automatically rejected by the IP phone with a busy
message while during a call.
If it is set to 1 (Enabled), the LCD screen will
present a new incoming call while during a call.
The default value is 1.
It enables or disables the IP phone to play the call
waiting tone when the IP phone receives an
incoming call during a call.
0-Disabled
1-Enabled
0 or 1
If it is set to 1 (Enabled), the IP phone will perform
an audible indicator when receiving a new
incoming call during a call.
The default value is 1.
Note: It works only if the value of the parameter
"call_waiting.enable" is set to 1 (Enabled).
Web Setting Path
Features->General Information->Call
Waiting
Features->Audio->Call Waiting Tone