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feature. Once calling user drop this call, PSTN or PABX may
drop Loop Current
signal
for about 300 msec (default setting) to inform FXO interface. To detect
Loop current drop duration can be changed. Go to
FXS Setting
Others
Current Drop Time
. See Figure 21. This feature depends on the PSTN switch
or PABX you are using.
See Figure 20
at webpage configuration.
Figure 20. Loop Current Drop to release FXO port
Figure 21. Loop Current Drop detection Time.