ATA Voice Field Reference
PSTN Line page (SPA3102)
Cisco Small Business ATA Administration Guide 215
B
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.
Ring Threshold Choose from {13.516.5, 19.352.65, 40.549.5} (Vrms).
The default is 13.5-16.5 Vrms.
Ringer Impedance Choose from {High, Synthesized(Poland, S.Africa,
Slovenia)}.
The default is high.
Line-In-Use Voltage Determines the voltage threshold at which the SPA-3000
assumes the PSTN is in use by another handset sharing the
same line (and will declare PSTN gateway service not
available to incoming VoIP callers).
The default value is 40v.