Specifications

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Table 2-14 Configuration Parameters of Trunks
Name Description
Trunk ID Select a trunk line required to configure. “FXO-n” corresponds to the
“Line > FXO phone Number ID n”. Copy the configuration of “FXO-n”
for selected line to “FXO-n+1”~“FXO- m” by clicking “Batch”, where n
indicates the current selected trunk number and m indicates the total
number of trunks.
Phone number Display phone number associated with the trunk set in “ Line > FXO
phone Number”
Registration Select if this trunk registers with the SIP registeration server. By default,
this is selected.
Password If the “Registration” is selected, the authentication password for register
of this line must be entered here.
Note: The following features are valid only in SIP protocol. When the gateways use MGCP
protocol, the control of all call services is provided by the proxy server without the need of
setting.
Inbound handle The gateways provide two scenarios for handling incoming calls of FXO
port:
l “Second stage dialing”: When a telephone call comes to the FXO port,
the gateways will provide the second dial tone and route the call
according to the extension number pressed in. Note: dialing tone or
voice prompt file can be changed by user.
l “Binding”: When a telephone call comes to the FXO port, the
gateways will route the call to a FXS port according to the DID
number bound with the port. Note: Setting a number to be bound is
required or this setting is invalid.
Polarity reversed
signal detection
If a PSTN line supports reverse polarity, make a selection here. Or this
setting is invalid. By default, this is not selected.
Caller ID detection Select if the detection function of caller ID for this FXO port is enabled.
By default, this is selected.
Outgoing call
barring
Select if this FXO port bars outgoing call service to PSTN. By default,
this is not selected.
Echo cancellation Select if echo cancellation is enabled for this FXO line.By default, this is
selected.
Connect signal
delay
After making an outgoing call from a FXO port, the gateway will send a
200 OK message to the platform with delay if this parameter is selected.
If unselected, the system sends a 200 OK message to the platform after
off hook on the FXO port. Used with the configuration item of “Answer
delay” on the “Advanced > Trunk” interface.
2.6
Advanced Configuration
2.6.1 System
After login, click the label of “Advanced > System” to open this interface.