DVG-7111S
User’s Manual
ADVANCED
D-Link Systems, Inc.
54
Flash Time:
Set the time frame that FXO generates a FLASH signal.
Enable Polarity Reversal:
This option forces VoIP TA to detect the reversal of polarity on FXO port as
the primary signal to drop a call. Some telephone switches or PBX reverse the line polarity to inform the
remote end to drop an ongoing call. Please consult with the telephone service provider for availability of
this feature.
PSTN Answer Detection
: Detect PSTN answer through
Ring Tone
or
Polarity Reversal
by FXO.
Note:
If
Polarity Reversal
is selected, remember to check the box of
Enable Polarity Reversal
for
FXO.
PSTN Ring OFF Length
: The ring off time for making out if the call from PSTN hangs up before FXO
answer the call.
