SPA400 Field Reference
Setup
SPA9000 Voice System Administration Guide
267
C
Ring Indication Delay
The delay in reporting the ring after it presents on the PSTN
line
Default:
512ms
Ring Timeout
The delay on reporting that the ring stopped after it no longer
presents on the PSTN line
Default:
640ms
Ring Threshold
The minimum voltage(rms value) of a valid ring
Default:
13.5-16.5vrms
Ringer Impedance
Default:
High
DC current Limiting
Default:
Enable
Caller Id & CP Tone
Method
The regional settings for Caller ID and call progress tones
Default:
North American
Battery reversal as
discconnect signal
Can be chosen as a method for signalling the end of a call
Default: unselected
Loop period shut-down
as disconnect signal
Can be chosen as a method for signalling the end of a call
Default: selected
Minimum period for
disconnect signal
The minimum duration that the loop current is cut off to signal
the end of the call; used with the loop period shut-down
method
Default:
750
Tear down FXO port
when silence detected
for
The duration of silence that causes the FXO port to
disconnect the call
Default:
300
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