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VoIP subscriber gateways 65
12 kHz – when there is an outgoing call, tariff pulse with 12 kHz frequency will be sent in
the line one time per second;
16 kHz – when there is an outgoing call, tariff pulse with 16 kHz frequency will be sent in
the line one time per second;
Automatic gain at the reception (Rx AGC) – when the flag is set, received signal will be amplified
up to assigned level (max gain is +/- 15 dB), otherwise gain is not enabled;
Retrain margin of signal reception (Rx AGC level) – identify retrain margin for received
analogue signal gain (available values are -25, -22, -19, -16, -13, -10, -7, -4, -1 dB).
Automatic gain at the transmission (Tx AGC) – when flag is set, transmitted signal will be amplified
up to specified level (maximal gain is +/- 15 dB) otherwise gain is not applied;
Retrain margin of signal transmission (Tx AGC level) – identify retrain margin for analogue
signal gain of signal transmission (available values are -25, -22, -19, -16, -13, -10, -7, -4, -1
dB).
– Stop dialing at # – when checked, use ‘#’ button on the phone unit to end the dialing, otherwise ‘#’
will be recognized as a part of the number. To assign the required FXS profile for subscriber port,
select this port from the port settings or open port settings in the edit mode and select required
profile from the configured profile list for ‘FXS profile’ parameter in the ‘Line profile’ section.
To save changes into the device operative memory, click ‘Save changes’ button. To record settings into
non-volatile memory, click ‘Apply’ button.
3.1.4.4 ‘Line acoustic signals’ submenu
Use this submenu to load files with tone settings and restore the default tone settings.
To load tone settings, click ‘Select file’ and select configuration file. After, click ‘Load’ button.
The tone configuration file should satisfy the following requirements (shown example presents standard
frequency and time interval values):
dialtone_freq: 425
dialtone_time_rule: 1000
busytone_freq: 425
busytone_time_rule: 330,330
ringbacktone_freq: 425
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