Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones 
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commas. (e.g., 250/200,0/1000,200+300/500,200+500+800+1500/1000). 
If you want the IP phone to play tones once, add an exclamation mark “!” before tones 
(e.g., !250/200,0/1000,200+300/500,200+500+800+1500/1000). 
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->Dial 
Phone User Interface: 
None 
voice.tone.secondary_dial 
Description: 
Customizes the secondary dial 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->Secondary Dial 
Phone User Interface: 
None 
Description: 
Customizes the ringback 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->Ring Back 
Phone User Interface: 
None