Cisco SPA2102 - International Control (Settings) Section

ATA Voice Field Reference
PSTN Line page (SPA3102)
Cisco Small Business ATA Administration Guide 214
B
International Control (Settings) section
FXO Port
Impedance
Desired impedance of the FXO Port. Choose from {600,
900, 370+620, 270+750||150nF, 220+820||120nF, 370
+ 620 || 310nf, 320 + 1050 || 230nf, 370 + 820 || 110 nf,
275 + 780 || 115nf, 120 + 820 || 110nf, 350 + 1000 ||
210nf, 0 + 900 || 130nf}
The default is 600.
The impedance values for various countries follows:
US600
EU (UK, Germany, Netherlands, Sweden, Norway, Italy,
Spain, Portugal, Poland, and Denmark)270+750||150nF
France270+750||150nF
220+820||120nF
370+620||310nF
Ring Frequency Min Specify the lower limit of the ring frequency used to detect
the ring signal. The default is .
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 .
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
.
Tip/Ring Voltage
Adjust
Choices are {3.1, 3.2, 3.35, 3.5}.
The default is 3.5.