Configuring  Audio  Features 
839 
Description: 
Customizes the tone when the callee is busy. 
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. If 
you want to disable this warning tone, set it to 0. 
Web User Interface: 
Settings->Tones->Busy 
Phone User Interface: 
None 
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. If 
you want to disable this warning tone, set it to 0. 
Web User Interface: 
Settings->Tones->Congestion 
Phone User Interface: 
None 
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. If 
you want to disable this warning tone, set it to 0. 
Web User Interface: 
Settings->Tones->Call Waiting 
Phone User Interface: 
None