Cisco Systems SPA9000 manual Default 13.5-16.5vrms, Default North American

SPA400 Field Reference

Setup

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	The regional settings for Caller ID and call progress tones
Method	Default: North American
Battery reversal as	Can be chosen as a method for signalling the end of a call
discconnect signal	Default: unselected
Loop period shut-down	Can be chosen as a method for signalling the end of a call
as disconnect signal	Default: selected
Minimum period for	The minimum duration that the loop current is cut off to signal
disconnect signal	the end of the call; used with the loop period shut-down
	method
	Default: 750
Tear down FXO port	The duration of silence that causes the FXO port to
when silence detected	disconnect the call
for	Default: 300

SPA9000 Voice System Administration Guide 267