Yealink SIP-T2 SERIES Administrator's Manual page 805

Parameters
Phone User Interface:
None
voice.tone.congestion
Description:
Customizes the tone when the network is congested.
The value format is Freq/Duration. For more information on the value format, refer to
the parameter ―voice.tone.dial‖.
Note: It works only if the value of the parameter ―voice.tone.country‖ is set to
Custom.
Web User Interface:
Settings->Tones->Congestion
Phone User Interface:
None
voice.tone.callwaiting
Description:
Customizes the call waiting tone.
The value format is Freq/Duration. For more information on the value format, refer to
the parameter ―voice.tone.dial‖.
Note: It works only if the value of the parameter ―voice.tone.country‖ is set to
Custom.
Web User Interface:
Settings->Tones->Call Waiting
Phone User Interface:
None
voice.tone.dialrecall
Description:
Customizes the call back tone.
The value format is Freq/Duration. For more information on the value format, refer to
the parameter ―voice.tone.dial‖.
Note: It works only if the value of the parameter ―voice.tone.country‖ is set to
Custom.
Web User Interface:
Configuring Audio Features
Permitted Values
String
String
String
Default
Blank
Blank
Blank
783