ATA Voice Field Reference
Line page
Cisco Small Business ATA Administration Guide
187
B
Detect VoIP Long
Silence
I
f enabled, SPA will disconnect both call legs when the
VoIP side has no voice activity for a duration longer than
the length specified in the VoIP Long Silence Duration
parameter during a gateway call.
The default is
no
.
PSTN Long Silence
Duration
This value is minimum length of PSTN silence (or inactivity)
in seconds to trigger a gateway call disconnection if
Detect PSTN Long Silence is yes.
The default is
30
.
VoIP Long Silence
Duration
This value is minimum length of VoIP silence (or inactivity)
in seconds to trigger a gateway call disconnection if
Detect VoIP Long Silence is yes.
The default is
30
.
PSTN Silence
Threshold
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
.
Min CPC Duration
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.
Detect Disconnect
Tone
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
.