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Copyright IPitomy Communication, LLC 42 0007VRF
Rx Gain –The FXO ports may increase or attenuate the power level of the telephony
port, changing gain level manually may be required. This field allows user to set the
receiver gain level in dB
DTMF Power – Enter the desired value for the DTMF power that FXO ports dial
toward PSTN. Each level for changing is 0.1dBm.The default value is -130*0.1 dB.
This setting will only affect the DTMF tones sent by SIP INFO.
Tone On – Specify the Tone-On time in millisecond for an out dialing DTMF digit.
The default value is 200 milliseconds. This setting will only affect the DTMF tones
sent by SIP INFO.
Tone Off – Specify the Tone-Off time in millisecond for an out dialing DTMF digit.
The default value is 200 milliseconds. This setting will only affect the DTMF tones
sent by SIP INFO.
Impedance – Select the impedance of the lines connecting to PSTN ports.
Volt Adjust – Select the TIP/RING voltage adjust value, low-voltage countries should
use a lower voltage.
Loop Current – Select the minimum operational loop current at which the FXO ports
will operate.
On Hook Time – Select the amount of time to wait for the FXO port to go on-hook
Min Ring Frequency – Enter the minimum ring frequency for the FXO port to detect.
The default minimum ring frequency is 10Hz
Max Ring Frequency – Enter the maximum ring frequency for the FXO port to
detect. The default maximum ring frequency is 100Hz
Ring Time – Select the amount of ringing time in millisecond that the FXO port
detects to be a valid ring time.
Ring Delay – Select the amount of time in millisecond as the duration starts when a
ring signal is validated and till a valid ring signal is confirmed.
Ring Time Out – Select the amount of time in millisecond for determining that ring
signal is stopped.
Ring Threshold – Select the minimum voltage level the incoming ringing signal must
be presented with for the FXO port to detect it.
Ring Impedance – Select the desired value to satisfy the maximum ringer
impedance specification.
Call ID – We don’t use this setting anymore, but still keep it in the configuration file
for compatibility issues.
Signal Method – Select the line disconnection signal method. Two options to be
selected::
o 1. Battery reversal as disconnect signal.
o 2. Loop period shut-down as disconnect signal.
Min Period – Enter the minimum period of time for the above hardware to receive a
disconnect signal. The default value is 600 milliseconds.
Silent Detect – The amount of time to wait for the FXO port to disconnect after not
receiving RTP packets on the port. The default value is 300 seconds.