DVG-5004S User’s Manual VoIP Gateway Configuration
D-Link Systems, Inc. 37
General Settings→ Line settings
FXS Impedance: Select different impedance from the drop-down menu.
General Settings→ Line settings
This feature is a call drop standard for a VoIP Gateway to determine whether or not to hang up the phone.
The VoIP Gateway 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 IP network.
Note: Improper values for above settings might cause unexpected automatic disconnection of a call.
Default values are recommended.
General Settings→ Line settings
Enable IVR Option: Check the box to enable IVR function.
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