DVG-N5412SP User’s Manual ADVANCED
D-Link Systems, Inc. 67
ADVANCED → VoIP → Line
This feature is a call drop standard for a VoIP Router to determine whether or not to hang up the phone.
The VoIP Router will disconnect the call automatically to avoid keeping the line engaged if the detected
volume is below the Silence Detection Threshold or the time exceeds the Drop Silent Call Timeout.
Silence Detection Threshold: Enter the threshold (dB) to detect if there is voice coming from RJ-11
interface.
Drop Silent Call Timeout: Enter the duration (second) for detecting if there are RTP packets receiving
from RJ-45 interface.
Note: Improper values for above settings might cause unexpected automatic disconnection of a call.
Default values are recommended.
ADVANCED → VoIP → Line
Enable IVR Option: Check the box to enable IVR function.
ADVANCED → VoIP → Line
Hunting/Ring: It is used to set FXS group hunting mode. There are Hunting, Simultaneous Ring and
Sequential Ring.
Hunting: When someone calls in by dialing FXS representative number, the system will always assign
the call to the first line.
Simultaneous Ring: When someone calls in by dialing FXS representative number, all FXS ports will
ring at the same time.
Sequential Ring: When someone calls in by dialing FXS representative number, the system will assign
the call to each FXS ports in order according Sequential Ring Time. You can adjust Sequential Ring
Time for the ring time of each port.
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