D-Link DVG-7022S User Manual page 29

DVG-7022S/7044S/7062 User's Manual
VoIP Calling Notification: The gateway will play a tone to notify that the call is via VoIP.
Enable Built-in Call Hold Music: The default setting is that when receiving a call hold request, the gateway
will play music on hold. Untick the check box to disable this function while necessary.
Force Calling Thru PSTN code: Dial the code to get a PSTN line for dialing out. For example: If you
specify "33" in this option and would like dial "23456789" via a PSTN line, dial "33 23456789"
Trunk Early Media Option: Early Media refers to media that is generated prior to connection or answer of a
call is established by the called party. It may be unidirectional or bidirectional, and can be generated by the
caller, the callee, or both. The gateway supports three early media mechanisms. These mechanisms occur
from the moment "200 OK" being sent in response to an "INVITE" message.
Both Way Voice: Use bidirectional early media to obtain information between caller and callee prior to the
connection of a call.
One Way Voice: Only the caller can hear early media from the callee prior to the connection of a call.
Ring Back: Playing ring back tone for the caller, indicating that the callee is being alerted prior to the
connection of a call.
Early Media Treatment: If this variable is disabled, the system will send RTP immediately after a
connection with a proxy is set up. The default setting is enabled. If communicating with other gateways
encounters problems, please disable this function.
Loop Current Drop Trigger Time: To set the trigger time for FXS drops loop current. A setting of zero is to
disable this function. It is used to avoid the line engaged if FXS is connected to PBX.
Loop Current Drop Duration: To set the drop duration.
Enable ROH: The gateway will play Receiver Off-Hook tone to notify user of hanging up the phone set if
FXS is off-hook for 20 seconds.
FXS Ring Voltage: FXS ringing voltage, the value is in VRMS.
Max. External Call: To control network voice quality according to bandwidth, defines the maximum
concurrent Internet call is allowed by the gateway.
VoIP Centrex Extension Digit Count: This feature is to enable and set the digit count of VoIP Centrex. The
setting "0" zero is to disable this function.
VoIP Centrex Digit: Enter the digit for VoIP call. If you dial VoIP Centrex Digit first, the dialing plan is
according to the Digit Map; otherwise the VoIP gateway will send the number which digit count is the same
as VoIP Centrex Extension Digit Count.
Hunting/Ring: This variable is able to set FXS group hunting using simultaneous ring or sequential
ring.
Sequential Ring Time: Sets the ring time of each port, when sequential ring is chosen.
D-Link Systems, Inc.
Telephony Settings
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