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ATA Voice Field Reference
PSTN Line page (SPA3102)
Cisco Small Business ATA Administration Guide
220
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 {13.5–16.5, 19.35–2.65, 40.5–49.5} (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
.