85 VoIP Subscriber Gateways
To load tone settings, click ‘Select file’ and select configuration file in the «Configure tone from
file». After, click ‘Load’ button.
The requirements for the structure of tones configuration file are the following (the example
contains standard frequency and time interval values):
dialtone_freq: 425
dialtone_time_rule: 1000
busytone_freq: 425
busytone_time_rule: 330.330
ringbacktone_freq: 425
ringbacktone_time_rule: 1000.4000
congestiontone_freq: 425.600
congestiontone_time_rule: 100,100,100,100
where
dialtone_freq – 'Dial tone' frequencies, Hz (no more than 2 frequencies, the frequencies are
separated with comma ',');
dialtone_time_rule – time intervals of duration and pause of a signal with given frequency, ms
(for each frequency pause and signal length intervals are specified, time intervals are separated with
comma ',').
Likewise, frequencies and time intervals are setting for other signals:
- busytone – 'busy' tone;
- ringbacktone – 'ringback' tone;
- congestiontone – signal when there is no registration and ‘Outbound on busy’ mode of
SIP profile is disabled.
Value limits:
- the range for frequencies: 0 – 4000 Hz;
- the range for time intervals: 0 – 65535 ms.
To reset tone settings (restore default tones) to the factory default settings, click ‘Restore’
button.
To store changes to the operative memory of the device, click the Save Changes button. To store
settings into the non-volatile memory, click Apply button.