Firmware Version 1.0.1.5 - Grandstream Networks GVC3200 User Manual

Users can configure ring back tone before the callee answers the call. The default
Ring Back Tone value: f1=440@-19,f2=480@-19,c=2000/4000.The format and syntax are the same
as Dial Tone.
Users can configure ring or tone frequencies when the caller failed to dial out. The
Busy Tone default value: f1=480@-24,f2=620@-24,c=500/500.The setting mode is the same as
Dial Tone.
Users can configure ring or tone frequencies when the caller failed to dial out and
Reorder Tone unable
24,c=250/250.The format and syntax are the same as Dial Tone.
Users can configure ring or tone frequencies for caller when the callee enabled call
recording function or when the SIP account fails to register. The default value:
Confirmation Tone
f1=350@-11,f2=440@-11,c=100/100-100/100-100/100. The format and syntax are
the same as Dial Tone.
Users can configure ring or tone frequencies when there is another incoming call
Call-Waiting Tone during the call. The default value: f1=440@-13,c=300/2000-300/2000-0/0t. The
format and syntax are the same as Dial Tone.
This configures the call-waiting tone gain. By default, they are set to the North
Call-Waiting Tone American standard. Users could adjust the tone frequencies based on parameters
Gain from the local telecom provider. Users could select "Low", "Medium" or "High". The
default setting is "Low".

Firmware Version 1.0.1.5

to establish the call.
GVC3200 User Guide
The default value: f1=480@-24,f2=620@-
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