Cisco Small Business Pro SPA3102 Administration Manual page 210

ATA Voice Field Reference
PSTN Line page (SPA3102)
ATA Administration Guide
Detect (PSTN) Long
Silence
Min CPC Duration
Detect Disconnect
Tone
(PSTN) Long
Silence Duration
Silence Threshold
If enabled, SPA will disconnect both call legs when the
PSTN side has no voice activity for a duration longer than
the length specified in the
parameter during a gateway call
The default is yes.
Specify the minimum duration of a low tip-and-ring voltage
(below 1V) for the Gateway to recognize it as a CPC signal
or PSTN line removal. The default is 0.2.
If enabled, SPA will disconnect both call legs when it
detects the disconnect tone from the PSTN side during a
gateway call. Disconnect tone is specified in the
Disconnect Tone
parameter, which depends on the region
of the PSTN service.
The default is yes.
This value is minimum length of PSTN silence (or inactivity)
in seconds to trigger a gateway call disconnection if
Detect Long Silence
The default is 30.
This parameter adjusts the sensitivity of PSTN silence
detection. Choose from {very low, low, medium, high, very
high}. The higher the setting, the easier to detect silence
and hence easier to trigger a disconnection.
The default is medium.
Long Silence Duration
is yes.
B
208