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ATA Voice Field Reference
PSTN Line page (SPA3102)
ATA Administration Guide 212
B
SPA To PSTN Gain dB of digital gain (or attenuation if negative) to be applied
to the signal sent from the SPA to the PSTN side. The range
is -15 to 12.
The default is 0.
Ring Frequency
Max
Specify the higher limit of the ring frequency used to
detect the ring signal. The default is 100.
PSTN To SPA Gain dB of digital gain (or attenuation if negative) to be applied
to the signal sent from the PSTN side to the SPA. The range
is -15 to 12.
The default is 0.
Ring Validation
Time
Specify the minimum signal duration required by the
Gateway for recognition as a ring signal. The default is 256
ms.
Tip/Ring Voltage
Adjust
Choices are {3.1, 3.2, 3.35, 3.5}.
The default is 3.5.
Operational Loop
Current Min
Choices for mA are: {10, 12, 14, 16).
The default is 10.
On-Hook Speed Choose from {Less than 0.5ms, 3ms (ETSI), 26ms
(Australia)}.
The default is Less than 0.5ms.
Current Limiting
Enable
Enable or disable current limiting.
The default is no.
Ring Frequency Min Minimum ring frequency to detect. The range is 5-100.
The default is 10.
Ring Frequency
Max
Maximum ring frequency to detect. The range is 5-100.
The default is 100.
Ring Validation
Time
Choose from {100, 150, 200, 256, 384, 512, 640, 1024} (ms).
The default is 256ms.
Ring Indication
Delay
Choose from {0, 512, 768, 1024, 1280, 1536, 1792} (ms).
The default is 512ms.
Ring Timeout Choose from {0, 128, 256, 384, 512, 640, 768, 896, 1024,
1152, 1280, 1408, 1536, 1664, 1792, 1920} (ms).
The default is 640 ms.